An End-to-End Copying Guide for Using OpenAI GPT-OSS Open Weight Models with Enhanced Workflows

In this tutorial, we explore how to use the open source OpenAI GPT-OSS The models at Google Colab are focused on their technical behavior, deployment requirements, and intuitive workflows that work. We start by setting up the actual dependencies needed for Transformers-based operations, verifying GPU availability, and loading openai/gpt-oss-20b with the correct configuration using the native MXFP4 stack, torch.bfloat16 activation. As we progress through the tutorial, we work directly on key skills like programming, streaming, dynamic conversation management, tool usage patterns, and batch modeling, while keeping in mind how open-source models differ from transparently hosted APIs, manageability, memory limitations, and localization trade-offs. And, GPT-OSS treats us not just as a chatbot, but as an open-source LLM stack that looks great that we can customize, tell, and extend within a repeatable workflow.
print("๐ง Step 1: Installing required packages...")
print("=" * 70)
!pip install -q --upgrade pip
!pip install -q transformers>=4.51.0 accelerate sentencepiece protobuf
!pip install -q huggingface_hub gradio ipywidgets
!pip install -q openai-harmony
import transformers
print(f"โ
Transformers version: {transformers.__version__}")
import torch
print(f"n๐ฅ๏ธ System Information:")
print(f" PyTorch version: {torch.__version__}")
print(f" CUDA available: {torch.cuda.is_available()}")
if torch.cuda.is_available():
gpu_name = torch.cuda.get_device_name(0)
gpu_memory = torch.cuda.get_device_properties(0).total_memory / 1e9
print(f" GPU: {gpu_name}")
print(f" GPU Memory: {gpu_memory:.2f} GB")
if gpu_memory < 15:
print(f"nโ ๏ธ WARNING: gpt-oss-20b requires ~16GB VRAM.")
print(f" Your GPU has {gpu_memory:.1f}GB. Consider using Colab Pro for T4/A100.")
else:
print(f"nโ
GPU memory sufficient for gpt-oss-20b")
else:
print("nโ No GPU detected!")
print(" Go to: Runtime โ Change runtime type โ Select 'T4 GPU'")
raise RuntimeError("GPU required for this tutorial")
print("n" + "=" * 70)
print("๐ PART 2: Loading GPT-OSS Model (Correct Method)")
print("=" * 70)
from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
import torch
MODEL_ID = "openai/gpt-oss-20b"
print(f"n๐ Loading model: {MODEL_ID}")
print(" This may take several minutes on first run...")
print(" (Model size: ~40GB download, uses native MXFP4 quantization)")
tokenizer = AutoTokenizer.from_pretrained(
MODEL_ID,
trust_remote_code=True
)
model = AutoModelForCausalLM.from_pretrained(
MODEL_ID,
torch_dtype=torch.bfloat16,
device_map="auto",
trust_remote_code=True,
)
pipe = pipeline(
"text-generation",
model=model,
tokenizer=tokenizer,
)
print("โ
Model loaded successfully!")
print(f" Model dtype: {model.dtype}")
print(f" Device: {model.device}")
if torch.cuda.is_available():
allocated = torch.cuda.memory_allocated() / 1e9
reserved = torch.cuda.memory_reserved() / 1e9
print(f" GPU Memory Allocated: {allocated:.2f} GB")
print(f" GPU Memory Reserved: {reserved:.2f} GB")
print("n" + "=" * 70)
print("๐ฌ PART 3: Basic Inference Examples")
print("=" * 70)
def generate_response(messages, max_new_tokens=256, temperature=0.8, top_p=1.0):
"""
Generate a response using gpt-oss with recommended parameters.
OpenAI recommends: temperature=1.0, top_p=1.0 for gpt-oss
"""
output = pipe(
messages,
max_new_tokens=max_new_tokens,
do_sample=True,
temperature=temperature,
top_p=top_p,
pad_token_id=tokenizer.eos_token_id,
)
return output[0]["generated_text"][-1]["content"]
print("n๐ Example 1: Simple Question Answering")
print("-" * 50)
messages = [
{"role": "user", "content": "What is the Pythagorean theorem? Explain briefly."}
]
response = generate_response(messages, max_new_tokens=150)
print(f"User: {messages[0]['content']}")
print(f"nAssistant: {response}")
print("nn๐ Example 2: Code Generation")
print("-" * 50)
messages = [
]
response = generate_response(messages, max_new_tokens=300)
print(f"User: {messages[0]['content']}")
print(f"nAssistant: {response}")
print("nn๐ Example 3: Creative Writing")
print("-" * 50)
messages = [
{"role": "user", "content": "Write a haiku about artificial intelligence."}
]
response = generate_response(messages, max_new_tokens=100, temperature=1.0)
print(f"User: {messages[0]['content']}")
print(f"nAssistant: {response}")Set up the full Colab environment required for GPT-OSS to run properly and make sure the system has a compatible GPU with enough VRAM. We install key libraries, check versions of PyTorch and Transformers, and make sure the runtime is suitable for loading an open-source model like gpt-oss-20b. We then load the token, start the model with the correct technical configuration, and run a few basic examples to verify that the open weight pipeline works end-to-end.
print("n" + "=" * 70)
print("๐ง PART 4: Configurable Reasoning Effort")
print("=" * 70)
print("""
GPT-OSS supports different reasoning effort levels:
โข LOW - Quick, concise answers (fewer tokens, faster)
โข MEDIUM - Balanced reasoning and response
โข HIGH - Deep thinking with full chain-of-thought
The reasoning effort is controlled through system prompts and generation parameters.
""")
class ReasoningEffortController:
"""
Controls reasoning effort levels for gpt-oss generations.
"""
EFFORT_CONFIGS = {
"low": {
"system_prompt": "You are a helpful assistant. Be concise and direct.",
"max_tokens": 200,
"temperature": 0.7,
"description": "Quick, concise answers"
},
"medium": {
"system_prompt": "You are a helpful assistant. Think through problems step by step and provide clear, well-reasoned answers.",
"max_tokens": 400,
"temperature": 0.8,
"description": "Balanced reasoning"
},
"high": {
"system_prompt": """You are a helpful assistant with advanced reasoning capabilities.
For complex problems:
1. First, analyze the problem thoroughly
2. Consider multiple approaches
3. Show your complete chain of thought
4. Provide a comprehensive, well-reasoned answer
Take your time to think deeply before responding.""",
"max_tokens": 800,
"temperature": 1.0,
"description": "Deep chain-of-thought reasoning"
}
}
def __init__(self, pipeline, tokenizer):
self.pipe = pipeline
self.tokenizer = tokenizer
def generate(self, user_message: str, effort: str = "medium") -> dict:
"""Generate response with specified reasoning effort."""
if effort not in self.EFFORT_CONFIGS:
raise ValueError(f"Effort must be one of: {list(self.EFFORT_CONFIGS.keys())}")
config = self.EFFORT_CONFIGS[effort]
messages = [
{"role": "system", "content": config["system_prompt"]},
{"role": "user", "content": user_message}
]
output = self.pipe(
messages,
max_new_tokens=config["max_tokens"],
do_sample=True,
temperature=config["temperature"],
top_p=1.0,
pad_token_id=self.tokenizer.eos_token_id,
)
return {
"effort": effort,
"description": config["description"],
"response": output[0]["generated_text"][-1]["content"],
"max_tokens_used": config["max_tokens"]
}
reasoning_controller = ReasoningEffortController(pipe, tokenizer)
print(f"n๐งฉ Logic Puzzle: {test_question}n")
for effort in ["low", "medium", "high"]:
result = reasoning_controller.generate(test_question, effort)
print(f"โโโ {effort.upper()} ({result['description']}) โโโ")
print(f"{result['response'][:500]}...")
print()
print("n" + "=" * 70)
print("๐ PART 5: Structured Output Generation (JSON Mode)")
print("=" * 70)
import json
import re
class StructuredOutputGenerator:
"""
Generate structured JSON outputs with schema validation.
"""
def __init__(self, pipeline, tokenizer):
self.pipe = pipeline
self.tokenizer = tokenizer
def generate_json(self, prompt: str, schema: dict, max_retries: int = 2) -> dict:
"""
Generate JSON output in accordance with a specified schema.
Args:
prompt: The user's request
schema: JSON schema description
max_retries: Number of retries on parse failure
"""
schema_str = json.dumps(schema, indent=2)
system_prompt = f"""You are a helpful assistant that ONLY outputs valid JSON.
Your response must exactly match this JSON schema:
{schema_str}
RULES:
- Output ONLY the JSON object, nothing else
- No markdown code blocks (no ```)
- No explanations before or after
- Ensure all required fields are present
- Use correct data types as specified"""
messages = [
{"role": "system", "content": system_prompt},
{"role": "user", "content": prompt}
]
for attempt in range(max_retries + 1):
output = self.pipe(
messages,
max_new_tokens=500,
do_sample=True,
temperature=0.3,
top_p=1.0,
pad_token_id=self.tokenizer.eos_token_id,
)
response_text = output[0]["generated_text"][-1]["content"]
cleaned = self._clean_json_response(response_text)
try:
parsed = json.loads(cleaned)
return {"success": True, "data": parsed, "attempts": attempt + 1}
except json.JSONDecodeError as e:
if attempt == max_retries:
return {
"success": False,
"error": str(e),
"raw_response": response_text,
"attempts": attempt + 1
}
messages.append({"role": "assistant", "content": response_text})
messages.append({"role": "user", "content": f"That wasn't valid JSON. Error: {e}. Please try again with ONLY valid JSON."})
def _clean_json_response(self, text: str) -> str:
"""Remove markdown code blocks and extra whitespace."""
text = re.sub(r'^```(?:json)?s*', '', text.strip())
text = re.sub(r's*```$', '', text)
return text.strip()
json_generator = StructuredOutputGenerator(pipe, tokenizer)
print("n๐ Example 1: Entity Extraction")
print("-" * 50)
entity_schema = {
"name": "string",
"type": "string (person/company/place)",
"description": "string (1-2 sentences)",
"key_facts": ["list of strings"]
}
entity_result = json_generator.generate_json(
"Extract information about: Tesla, Inc.",
entity_schema
)
if entity_result["success"]:
print(json.dumps(entity_result["data"], indent=2))
else:
print(f"Error: {entity_result['error']}")
print("nn๐ Example 2: Recipe Generation")
print("-" * 50)
recipe_schema = {
"name": "string",
"prep_time_minutes": "integer",
"cook_time_minutes": "integer",
"servings": "integer",
"difficulty": "string (easy/medium/hard)",
"ingredients": [{"item": "string", "amount": "string"}],
"steps": ["string"]
}
recipe_result = json_generator.generate_json(
"Create a simple recipe for chocolate chip cookies",
recipe_schema
)
if recipe_result["success"]:
print(json.dumps(recipe_result["data"], indent=2))
else:
print(f"Error: {recipe_result['error']}")We’re building more advanced productivity controls by introducing a configurable logic effort and structured JSON output workflow. We describe different methods of effort to vary how deeply the model explains, how many tokens it uses, and how detailed its answers are during prediction. We also create a JSON processing utility that directs the open weight model to schema-like output, cleans the returned text, and retries if the response is invalid in JSON.
print("n" + "=" * 70)
print("๐ฌ PART 6: Multi-turn Conversations with Memory")
print("=" * 70)
class ConversationManager:
"""
Manages multi-turn conversations with context memory.
Implements the Harmony format pattern used by gpt-oss.
"""
def __init__(self, pipeline, tokenizer, system_message: str = None):
self.pipe = pipeline
self.tokenizer = tokenizer
self.history = []
if system_message:
self.system_message = system_message
else:
self.system_message = "You are a helpful, friendly AI assistant. Remember the context of our conversation."
def chat(self, user_message: str, max_new_tokens: int = 300) -> str:
"""Send a message and get a response, maintaining conversation history."""
messages = [{"role": "system", "content": self.system_message}]
messages.extend(self.history)
messages.append({"role": "user", "content": user_message})
output = self.pipe(
messages,
max_new_tokens=max_new_tokens,
do_sample=True,
temperature=0.8,
top_p=1.0,
pad_token_id=self.tokenizer.eos_token_id,
)
assistant_response = output[0]["generated_text"][-1]["content"]
self.history.append({"role": "user", "content": user_message})
self.history.append({"role": "assistant", "content": assistant_response})
return assistant_response
def get_history_length(self) -> int:
"""Get number of turns in conversation."""
return len(self.history) // 2
def clear_history(self):
"""Clear conversation history."""
self.history = []
print("๐๏ธ Conversation history cleared.")
def get_context_summary(self) -> str:
"""Get a summary of the conversation context."""
if not self.history:
return "No conversation history yet."
summary = f"Conversation has {self.get_history_length()} turns:n"
for i, msg in enumerate(self.history):
role = "๐ค User" if msg["role"] == "user" else "๐ค Assistant"
preview = msg["content"][:50] + "..." if len(msg["content"]) > 50 else msg["content"]
summary += f" {i+1}. {role}: {preview}n"
return summary
convo = ConversationManager(pipe, tokenizer)
print("n๐ฃ๏ธ Multi-turn Conversation Demo:")
print("-" * 50)
conversation_turns = [
"Hi! My name is Alex and I'm a software engineer.",
"I'm working on a machine learning project. What framework would you recommend?",
"Good suggestion! What's my name, by the way?",
"Can you remember what field I work in?"
]
for turn in conversation_turns:
print(f"n๐ค User: {turn}")
response = convo.chat(turn)
print(f"๐ค Assistant: {response}")
print(f"n๐ {convo.get_context_summary()}")
print("n" + "=" * 70)
print("โก PART 7: Streaming Token Generation")
print("=" * 70)
from transformers import TextIteratorStreamer
from threading import Thread
import time
def stream_response(prompt: str, max_tokens: int = 200):
"""
Stream tokens as they're generated for real-time output.
"""
messages = [{"role": "user", "content": prompt}]
inputs = tokenizer.apply_chat_template(
messages,
add_generation_prompt=True,
return_tensors="pt"
).to(model.device)
streamer = TextIteratorStreamer(
tokenizer,
skip_prompt=True,
skip_special_tokens=True
)
generation_kwargs = {
"input_ids": inputs,
"streamer": streamer,
"max_new_tokens": max_tokens,
"do_sample": True,
"temperature": 0.8,
"top_p": 1.0,
"pad_token_id": tokenizer.eos_token_id,
}
thread = Thread(target=model.generate, kwargs=generation_kwargs)
thread.start()
print("๐ Streaming: ", end="", flush=True)
full_response = ""
for token in streamer:
print(token, end="", flush=True)
full_response += token
time.sleep(0.01)
thread.join()
print("n")
return full_response
print("n๐ Streaming Demo:")
print("-" * 50)
streamed = stream_response(
"Count from 1 to 10, with a brief comment about each number.",
max_tokens=250
)
We go from a single notification to a positive interaction by creating a conversation manager that keeps a conversation history with multiple opportunities and reuses that context for future responses. We show how we preserve memory in every opportunity, summarize the previous context, and make communication sound like a persistent assistant instead of a single generation call. We also use live streaming generation to be able to view incoming tokens in real-time, which helps us understand the live recording behavior model more clearly.
print("n" + "=" * 70)
print("๐ง PART 8: Function Calling / Tool Use")
print("=" * 70)
import math
from datetime import datetime
class ToolExecutor:
"""
Manages tool definitions and execution for gpt-oss.
"""
def __init__(self):
self.tools = {}
self._register_default_tools()
def _register_default_tools(self):
"""Register built-in tools."""
@self.register("calculator", "Perform mathematical calculations")
def calculator(expression: str) -> str:
"""Evaluate a mathematical expression."""
try:
allowed_names = {
k: v for k, v in math.__dict__.items()
if not k.startswith("_")
}
allowed_names.update({"abs": abs, "round": round})
result = eval(expression, {"__builtins__": {}}, allowed_names)
return f"Result: {result}"
except Exception as e:
return f"Error: {str(e)}"
@self.register("get_time", "Get current date and time")
def get_time() -> str:
"""Get the current date and time."""
now = datetime.now()
return f"Current time: {now.strftime('%Y-%m-%d %H:%M:%S')}"
@self.register("weather", "Get weather for a city (simulated)")
def weather(city: str) -> str:
"""Get weather information (simulated)."""
import random
temp = random.randint(60, 85)
conditions = random.choice(["sunny", "partly cloudy", "cloudy", "rainy"])
return f"Weather in {city}: {temp}ยฐF, {conditions}"
@self.register("search", "Search for information (simulated)")
def search(query: str) -> str:
"""Search the web (simulated)."""
return f"Search results for '{query}': [Simulated results - in production, connect to a real search API]"
def register(self, name: str, description: str):
"""Decorator to register a tool."""
def decorator(func):
self.tools[name] = {
"function": func,
"description": description,
"name": name
}
return func
return decorator
def get_tools_prompt(self) -> str:
"""Generate tools description for the system prompt."""
tools_desc = "You have access to the following tools:nn"
for name, tool in self.tools.items():
tools_desc += f"- {name}: {tool['description']}n"
tools_desc += """
To use a tool, respond with:
TOOL:
ARGS:
After receiving the tool result, provide your final answer to the user."""
return tools_desc
def execute(self, tool_name: str, args: dict) -> str:
"""Execute a tool with given arguments."""
if tool_name not in self.tools:
return f"Error: Unknown tool '{tool_name}'"
try:
func = self.tools[tool_name]["function"]
if args:
result = func(**args)
else:
result = func()
return result
except Exception as e:
return f"Error executing {tool_name}: {str(e)}"
def parse_tool_call(self, response: str) -> tuple:
"""Parse a tool call from model response."""
if "TOOL:" not in response:
return None, None
lines = response.split("n")
tool_name = None
args = {}
for line in lines:
if line.startswith("TOOL:"):
tool_name = line.replace("TOOL:", "").strip()
elif line.startswith("ARGS:"):
try:
args_str = line.replace("ARGS:", "").strip()
args = json.loads(args_str) if args_str else {}
except json.JSONDecodeError:
args = {"expression": args_str} if tool_name == "calculator" else {"query": args_str}
return tool_name, args
tools = ToolExecutor()
def chat_with_tools(user_message: str) -> str:
"""
Chat with tool use capability.
"""
system_prompt = f"""You are a helpful assistant with access to tools.
{tools.get_tools_prompt()}
If the user's request can be answered directly, do so.
If you need to use a tool, indicate which tool and with what arguments."""
messages = [
{"role": "system", "content": system_prompt},
{"role": "user", "content": user_message}
]
output = pipe(
messages,
max_new_tokens=200,
do_sample=True,
temperature=0.7,
pad_token_id=tokenizer.eos_token_id,
)
response = output[0]["generated_text"][-1]["content"]
tool_name, args = tools.parse_tool_call(response)
if tool_name:
tool_result = tools.execute(tool_name, args)
messages.append({"role": "assistant", "content": response})
messages.append({"role": "user", "content": f"Tool result: {tool_result}nnNow provide your final answer."})
final_output = pipe(
messages,
max_new_tokens=200,
do_sample=True,
temperature=0.7,
pad_token_id=tokenizer.eos_token_id,
)
return final_output[0]["generated_text"][-1]["content"]
return response
print("n๐ง Tool Use Examples:")
print("-" * 50)
tool_queries = [
"What is 15 * 23 + 7?",
"What time is it right now?",
"What's the weather like in Tokyo?",
]
for query in tool_queries:
print(f"n๐ค User: {query}")
response = chat_with_tools(query)
print(f"๐ค Assistant: {response}")
print("n" + "=" * 70)
print("๐ฆ PART 9: Batch Processing for Efficiency")
print("=" * 70)
def batch_generate(prompts: list, batch_size: int = 2, max_new_tokens: int = 100) -> list:
"""
Process multiple prompts in batches for efficiency.
Args:
prompts: List of prompts to process
batch_size: Number of prompts per batch
max_new_tokens: Maximum tokens per response
Returns:
List of responses
"""
results = []
total_batches = (len(prompts) + batch_size - 1) // batch_size
for i in range(0, len(prompts), batch_size):
batch = prompts[i:i + batch_size]
batch_num = i // batch_size + 1
print(f" Processing batch {batch_num}/{total_batches}...")
batch_messages = [
[{"role": "user", "content": prompt}]
for prompt in batch
]
for messages in batch_messages:
output = pipe(
messages,
max_new_tokens=max_new_tokens,
do_sample=True,
temperature=0.7,
pad_token_id=tokenizer.eos_token_id,
)
results.append(output[0]["generated_text"][-1]["content"])
return results
print("n๐ Batch Processing Example:")
print("-" * 50)
batch_prompts = [
"What is the capital of France?",
"What is 7 * 8?",
"Name a primary color.",
"What season comes after summer?",
"What is H2O commonly called?",
]
print(f"Processing {len(batch_prompts)} prompts...n")
batch_results = batch_generate(batch_prompts, batch_size=2)
for prompt, result in zip(batch_prompts, batch_results):
print(f"Q: {prompt}")
print(f"A: {result[:100]}...n") We extend the tutorial to include the use of tools and bundles, allowing an open weight model to support realistic application patterns. We define a simple tool framework, allow the model to select tools through a structured text pattern, and then feed the tool results back into the production loop to produce the final response. We’ve also added batch processing to handle a lot of data efficiently, which is useful for testing output and reusing the same pipeline of ideas across multiple jobs.
print("n" + "=" * 70)
print("๐ค PART 10: Interactive Chatbot Interface")
print("=" * 70)
import gradio as gr
def create_chatbot():
"""Create a Gradio chatbot interface for gpt-oss."""
def respond(message, history):
"""Generate chatbot response."""
for user_msg, assistant_msg in history:
messages.append({"role": "user", "content": user_msg})
if assistant_msg:
messages.append({"role": "assistant", "content": assistant_msg})
messages.append({"role": "user", "content": message})
output = pipe(
messages,
max_new_tokens=400,
do_sample=True,
temperature=0.8,
top_p=1.0,
pad_token_id=tokenizer.eos_token_id,
)
return output[0]["generated_text"][-1]["content"]
demo = gr.ChatInterface(
fn=respond,
title="๐ GPT-OSS Chatbot",
description="Chat with OpenAI's open-weight GPT-OSS model!",
examples=[
"Explain quantum computing in simple terms.",
"What are the benefits of open-source AI?",
"Tell me a fun fact about space.",
],
theme=gr.themes.Soft(),
)
return demo
print("n๐ Creating Gradio chatbot interface...")
chatbot = create_chatbot()
print("n" + "=" * 70)
print("๐ PART 11: Utility Helpers")
print("=" * 70)
class GptOssHelpers:
"""Collection of utility functions for common tasks."""
def __init__(self, pipeline, tokenizer):
self.pipe = pipeline
self.tokenizer = tokenizer
def summarize(self, text: str, max_words: int = 50) -> str:
"""Summarize text to specified length."""
messages = [
{"role": "system", "content": f"Summarize the following text in {max_words} words or less. Be concise."},
{"role": "user", "content": text}
]
output = self.pipe(messages, max_new_tokens=150, temperature=0.5, pad_token_id=self.tokenizer.eos_token_id)
return output[0]["generated_text"][-1]["content"]
def translate(self, text: str, target_language: str) -> str:
"""Translate text to target language."""
messages = [
{"role": "user", "content": f"Translate to {target_language}: {text}"}
]
output = self.pipe(messages, max_new_tokens=200, temperature=0.3, pad_token_id=self.tokenizer.eos_token_id)
return output[0]["generated_text"][-1]["content"]
def explain_simply(self, concept: str) -> str:
"""Explain a concept in simple terms."""
messages = [
{"role": "system", "content": "Explain concepts simply, as if to a curious 10-year-old. Use analogies and examples."},
{"role": "user", "content": f"Explain: {concept}"}
]
output = self.pipe(messages, max_new_tokens=200, temperature=0.8, pad_token_id=self.tokenizer.eos_token_id)
return output[0]["generated_text"][-1]["content"]
def extract_keywords(self, text: str, num_keywords: int = 5) -> list:
"""Extract key topics from text."""
messages = [
{"role": "user", "content": f"Extract exactly {num_keywords} keywords from this text. Return only the keywords, comma-separated:nn{text}"}
]
output = self.pipe(messages, max_new_tokens=50, temperature=0.3, pad_token_id=self.tokenizer.eos_token_id)
keywords = output[0]["generated_text"][-1]["content"]
return [k.strip() for k in keywords.split(",")]
helpers = GptOssHelpers(pipe, tokenizer)
print("n๐ Helper Functions Demo:")
print("-" * 50)
sample_text = """
Artificial intelligence has transformed many industries in recent years.
From healthcare diagnostics to autonomous vehicles, AI systems are becoming
"""
print("n1๏ธโฃ Summarization:")
summary = helpers.summarize(sample_text, max_words=20)
print(f" {summary}")
print("n2๏ธโฃ Simple Explanation:")
explanation = helpers.explain_simply("neural networks")
print(f" {explanation[:200]}...")
print("n" + "=" * 70)
print("โ
TUTORIAL COMPLETE!")
print("=" * 70)
print("""
๐ You've learned how to use GPT-OSS on Google Colab!
WHAT YOU LEARNED:
โ Correct model loading (no load_in_4bit - uses native MXFP4)
โ Basic inference with proper parameters
โ Configurable reasoning effort (low/medium/high)
โ Structured JSON output generation
โ Multi-turn conversations with memory
โ Streaming token generation
โ Function calling and tool use
โ Batch processing for efficiency
โ Interactive Gradio chatbot
KEY TAKEAWAYS:
โข GPT-OSS uses native MXFP4 quantization (don't use bitsandbytes)
โข Recommended: temperature=1.0, top_p=1.0
โข gpt-oss-20b fits on T4 GPU (~16GB VRAM)
โข gpt-oss-120b requires H100/A100 (~80GB VRAM)
โข Always use trust_remote_code=True
RESOURCES:
๐ GitHub:
๐ Hugging Face:
๐ Model Card:
๐ Harmony Format:
๐ Cookbook:
ALTERNATIVE INFERENCE OPTIONS (for better performance):
โข vLLM: Production-ready, OpenAI-compatible server
โข Ollama: Easy local deployment
โข LM Studio: Desktop GUI application
""")
if torch.cuda.is_available():
print(f"n๐ Final GPU Memory Usage:")
print(f" Allocated: {torch.cuda.memory_allocated() / 1e9:.2f} GB")
print(f" Reserved: {torch.cuda.memory_reserved() / 1e9:.2f} GB")
print("n" + "=" * 70)
print("๐ Launch the chatbot by running: chatbot.launch(share=True)")
print("=" * 70)We turn the model pipeline into a usable application by creating a Gradio chatbot interface and adding helpers for summarization, translation, simplified description, and keyword extraction. We show how the same open weight model can support both interactive chat and task-specific tasks that can be reused within a single Colab workflow. We conclude by summarizing the tutorial, reviewing key technical takeaways, and emphasizing how GPT-OSS can be loaded, managed, and extended as an open-source application.
In conclusion, we have built a broad understanding of how to use GPT-OSS as an open source language model rather than a black box endpoint. We loaded the model with the correct indexing method, avoided incorrect low-loading methods, and worked on key usage patterns, including configurable inference effort, delayed JSON results, consensus-style dialog formatting, token streaming, simple tool implementation orchestration, and Gradio-based collaboration. By doing so, we have seen the real benefit of open weight models: we can directly control model loading, test runtime behavior, shape generation flow, and design custom services on top of the base model without relying entirely on managed infrastructure.
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