GPT-5 Cheatsheet

GPT-5 Cheatsheet¶

Overview¶

GPT-5 is OpenAI's latest and most powerful language model, released in August 2025. It features significant improvements in reasoning, accuracy, and coding capabilities, with a larger context window and multiple model variants to suit different needs.

Key Features¶

256K Context Window: Increased from 200K in GPT-4.
Unified Multimodality: Handles text, code, and images seamlessly.
Reduced Hallucinations: More accurate and reliable responses.
Enhanced Coding: Superior performance on coding benchmarks.
Multiple Variants: Pro, Mini, Nano, and Thinking models available.

Model Variants¶

Model	Description	Availability
GPT-5	Main, high-performance model	Free & Paid Tiers
GPT-5-Pro	Most powerful, for complex tasks	Pro Tier Only
GPT-5-Mini	Lightweight and fast for general tasks	Free & Paid Tiers
GPT-5-Nano	Fastest and cheapest, for simple tasks	API Only
GPT-5-Thinking	Extended processing for deep analysis	Pro Tier Only

API Usage¶

import openai

client = openai.OpenAI(api_key="YOUR_API_KEY")

response = client.chat.completions.create(
    model="gpt-5",
    messages=[
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Explain the key features of GPT-5."}
    ]
)

print(response.choices[0].message.content)

New Capabilities¶

Automatic Routing: ChatGPT automatically selects the best model for your query.
Personalities: Choose from presets like Cynic, Robot, Listener, and Nerd.
Google Integration: Connect to Gmail, Google Calendar, and Contacts.
Advanced Voice Mode: More natural and interactive voice conversations.

Common Use Cases¶

Complex Problem Solving: Use GPT-5-Thinking for deep analysis.
Creative Content Generation: Write articles, scripts, and marketing copy.
Advanced Code Generation: Develop and debug complex software.
Data Analysis: Analyze large datasets and extract insights.
Personalized Tutoring: Get expert-level explanations on any topic.