AIVercel4 months ago
GPT 5.3 Codex is now on AI Gateway
1 min read
GPT 5.3 Codex is now available on AI Gateway. The model combines GPT-5.2-Codex coding strengths with GPT-5.2 reasoning depth, running 25% faster and more token-efficient. It handles research, tool use, and multi-step execution across the full software lifecycle.
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