GPT-6 Sol vs GPT 5.6 Sol
GPT-6 Sol and GPT 5.6 Sol side by side on shared benchmark boards, Codex Radar runs and the lowest real price per million tokens.
| Best score per board | GPT-6 Sol | GPT 5.6 Sol |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Artificial Analysis Intelligence Index v4.3 | 47.5 | 47.0 |
| Terminal-Bench 4.0 | — | 37.3 |
| Terminal-Bench 4.0 (AA) | 43.9 | 39.9 |
| Code Arena | WebDev Overall | 1689.0 | 1619.0 |
| Agent Arena · Overall (Ranking / Pareto) | 10.7 | 7.0 |
| Artificial Analysis Coding Agent Index v1.5 | 56.7 | 54.6 |
| OpenDesign Arena · Quality ranking | 89.9 | 77.6 |
| DeepSWE v1.1 | — | 72.7 |
| Radar IQ (Codex) | 98.7 | 108.5 |
| Lowest real price / MTok | $0.018 | $0.032 |
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