GPT 5.3 Codex
Every figure OnlySOTA holds for this model, one source at a time. Nothing on this page is averaged across sources.
KILLED
Identity
- Developer
- OpenAI
- Family
- GPT → GPT 5.3
- Weights
- closed
- Released
- 2026-02-05
- Blended Price, USD per 1M tokens (3:1 input:output)
- $4.81
- Sources
- 2 sources · 3 entries · 2 configs
- Published upstream as
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GPT-5.3 Codexgpt-5-3-codexgpt-5.3-codexGPT 5.3 Codex
Where it places
- Artificial Analysis LLM Leaderboard Artificial Analysis Intelligence Index 45.5 est
- Arena — Code Overall #61 1408
Effort ladder
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Artificial Analysis LLM Leaderboard only xhigh ran
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xhigh45.5
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