OpenAI Blog
Aug 7, 2025
Introducing GPT-5 for developers
Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real coding tasks.
Inside JetBrains—the company reshaping how the world writes code
JetBrains is integrating GPT-5 across its coding tools, helping millions of developers design, reason, and build software faster.
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How NVIDIA engineers and researchers build with Codex
Teams use Codex with GPT-5. 5 to ship production systems and turn research ideas into runnable experiments.
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Introducing GPT-5.2-Codex
GPT-5. 2-Codex is OpenAI’s most advanced coding model, offering long-horizon reasoning, large-scale code transformations, and enhanced cybersecurity capabilities.
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Introducing GPT-5.3-Codex-Spark
Introducing GPT-5. 3-Codex-Spark—our first real-time coding model.
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GPT-3.5 Turbo fine-tuning and API updates
Developers can now bring their own data to customize GPT-3. 5 Turbo for their use cases.
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GPT‑5. 3-Codex is the most capable agentic coding model to date, combining the frontier coding performance of GPT‑5.
OpenAI Blog
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Warp’s big bet on building open source with GPT-5.5
Warp uses GPT-5. 5 and OpenAI models to coordinate coding agents across local, cloud, and open-source development workflows.