OpenAI has launched GPT-5.3-Codex, a high-performance agentic model that sets new records across major coding benchmarks.
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OpenAI has released GPT-5.2-Codex via its API, a frontier-class model optimized for complex, long-running agentic coding tasks.
OpenAI has released GPT-5.1-Codex-Max to its API, claiming superior benchmarks and optimization for Windows environments.
Anthropic has launched Claude Opus 4.5, claiming it is the world's best coding model with record-breaking benchmarks.
OpenAI has introduced GPT-5-Codex-Mini, a cost-efficient model offering 4x the usage with only a minor drop in performance.