GPT-5 just launched, here's what you need to know: - Launched August 7, 2025, and now live for ChatGPT and API users - Three sizes available: gpt-5 (full power), gpt-5-mini (fast and cheaper), and gpt-5-nano (lightest and lowest latency) - Supports both text and vision inputs - Handles up to ~256K context length and ~128K output tokens - Smarter routing automatically chooses between standard and reasoning modes depending on complexity - Major accuracy improvements with fewer hallucinations and better self-correction - Can admit when it doesn’t know or can’t complete a request - Built-in personality modes like Cynic, Robot, Listener, and Nerd - Customizable UI colors per chat in ChatGPT - New “safe completions” for sensitive prompts, still helpful but within safe boundaries - Significant upgrades in coding performance, topping benchmarks like SWE-Bench and Aider Polyglot - Advanced tool-calling support with web browsing, file handling, and image generation built-in Pricing: - Output cost for full GPT-5 matches GPT-4o, while input cost is about half (see screenshot below) - Pro ChatGPT plan offers unlimited GPT-5 access; Plus and Free users each have their own usage caps GPT-5 raises the bar so high, it’s hard to imagine going back. Read more: https://openai.com/index/introducing-gpt-5/