Kimi K3 (v1) vs GPT 5.6 Terra
Kimi K3 (v1) and GPT 5.6 Terra side by side on shared benchmark boards, Codex Radar runs and the lowest real price per million tokens.
| Best score per board | Kimi K3 (v1) | GPT 5.6 Terra |
|---|---|---|
| Developer | Kimi | OpenAI |
| Artificial Analysis Intelligence Index v4.3 | 43.6 | 42.1 |
| Terminal-Bench 4.0 | — | 21.5 |
| Terminal-Bench 4.0 (AA) | 12.6 | 35.4 |
| Code Arena | WebDev Overall | 1658.0 | 1519.0 |
| Agent Arena · Overall (Ranking / Pareto) | 4.0 | 0.8 |
| Artificial Analysis Coding Agent Index v1.5 | 51.9 | — |
| OpenDesign Arena · Quality ranking | 65.7 | — |
| DeepSWE v1.1 | 68.5 | 69.6 |
| Radar IQ (Codex) | — | 100.9 |
| Lowest real price / MTok | $0.023 | $0.0080 |
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