Fine-tune with a single command.
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See how a group of leading developers use GPT-5 for the first time.
GPT-5. 1 is now available in the API, bringing faster adaptive reasoning, extended prompt caching, improved coding performance, and new apply_patch and shell tools.
Developers can now bring their own data to customize GPT-3. 5 Turbo for their use cases.
We’ve released new versions of GPT-3 and Codex which can edit or insert content into existing text, rather than just completing existing text.