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GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
| Signal | Strength | Weight | Impact |
|---|---|---|---|
| Benchmarksjust now | 88 | 30% | +26.5 |
| Capabilitiesjust now | 100 | 20% | +20.0 |
| Recencyjust now | 100 | 15% | +15.0 |
| Pricingjust now | 90 | 15% | +13.5 |
| Context Windowjust now | 89 | 10% | +8.9 |
| Output Capacityjust now | 85 | 10% | +8.5 |
LMSYS Arena Elo
1475
Vision Elo
1250
Percentile
95.8
Weight
30%
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LMSYS Arena Elo
1475
Vision Elo
1250
Percentile
95.8
Weight
30%
Cost Estimator
You save $6.89/month vs category average