GPT 5.1 Codex
Every figure OnlySOTA holds for this model, one source at a time. Nothing on this page is averaged across sources.
KILLED Retired
Identity
- Developer
- OpenAI
- Family
- GPT → GPT 5.1 → GPT 5.1 Codex
- Weights
- closed
- Released
- 2025-11-13
- Blended Price, USD per 1M tokens (3:1 input:output)
- $3.44
- Sources
- 2 sources · 2 entries · 2 configs
- Published upstream as
-
GPT-5.1 Codexgpt-5-1-codexgpt-5.1-codexGPT 5.1 Codex
Where it places
- Artificial Analysis LLM Leaderboard Artificial Analysis Intelligence Index 35.6 est
- Arena — Code Overall #92 1336
Effort ladder
-
Artificial Analysis LLM Leaderboard only high ran
-
high35.6
-