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GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
| Signal | Strength | Weight | Impact |
|---|---|---|---|
| Benchmarksjust now | 88 | 30% | +26.3 |
| Capabilitiesjust now | 100 | 20% | +20.0 |
| Recencyjust now | 100 | 15% | +15.0 |
| Pricingjust now | 86 | 15% | +12.9 |
| Context Windowjust now | 89 | 10% | +8.9 |
| Output Capacityjust now | 85 | 10% | +8.5 |
LMSYS Arena Elo
1465
Vision Elo
1211
Percentile
94.2
Weight
30%
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LMSYS Arena Elo
1465
Vision Elo
1211
Percentile
94.2
Weight
30%
Cost Estimator
$8.61/month more than category average