Openai
OpenAI: GPT-5.1-Codex
openai/gpt-5.1-codex
Score74
Add to CompareInput / M
Output / M
Context
Max Output
128K
Usage
Unranked
Quality
71.5 / 100
Providers
2
Best Uptime 30m
98.55%
Released
Nov 13, 2025
Modalities
text, image
About
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Providers · 2
Per-provider pricing, uptime
| Provider | Input/M | Output/M | Context | Max Out | Quant | Uptime 30m |
|---|---|---|---|---|---|---|
| OpenAIRecommended OpenAI | openai/gpt-5.1-codex-20251113 | $1.25 | $10.00 | 400K | 128K | unknown | 98.55% |
| Azure Azure | openai/gpt-5.1-codex-20251113 | $1.25 | $10.00 | 400K | 128K | unknown | — |
Benchmarks
Quality index 71.5 / 100
Design Arena
elo models dataviz
1217.0
elo models gamedev
1205.0
elo models website
1204.0
elo models codecategories
1200.0
Performance History
23 snapshots
Price History
0 recorded changes
No price changes recorded yet.
Activity Timeline
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Versus
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First seen 3d ago · Last verified 4m ago