OpenAI has expanded the availability of its GPT-5.3-Codex model to third-party developers via API and Microsoft Foundry.
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OpenAI has launched a research preview of GPT-5.3-Codex-Spark, a specialized low-latency model optimized for real-time coding via Cerebras.
GitHub Copilot now features GPT-5.3-Codex. Pro and Enterprise users gain 25% faster agentic task performance. Learn how to enable it today.
OpenAI has launched GPT-5.3-Codex, a high-performance agentic model that sets new records across major coding benchmarks.
