GPT 5.3
Every figure OnlySOTA holds for this model, one source at a time. Nothing on this page is averaged across sources.
Identity
- Developer
- OpenAI
- Family
- GPT → GPT 5.3
- Weights
- closed
- Released
- 2026-02-05
- Sources
- 1 sources · 1 entries · 1 configs
- Published upstream as
-
GPT-5.3GPT 5.3gpt-5-3
Where it places
- Arena — Text Overall (style control) #67 1449
Effort ladder
No source publishes more than one run configuration for this model.