Introducing GPT-5 for developers
GPT-5 is live in the API. High reasoning, new dev controls, state-of-the-art on coding benchmarks.

Why it matters
OpenAI's latest flagship model is now available to developers via API, shifting competitive dynamics for AI-native application builders and potentially raising the bar for coding assistants and reasoning-heavy workloads.
The key facts
5 to knowGPT-5 launched on OpenAI API platform
High reasoning performance claimed
New developer controls introduced
Best-in-class results on coding tasks
Published August 7, 2025
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real coding tasks.