Step 5 Preview vs Kimi K3 (v1)
Step 5 Preview and Kimi K3 (v1) side by side on shared benchmark boards, Codex Radar runs and the lowest real price per million tokens.
| Best score per board | Step 5 Preview | Kimi K3 (v1) |
|---|---|---|
| Developer | StepFun | Kimi |
| Artificial Analysis Intelligence Index v4.3 | 43.7 | 43.6 |
| Terminal-Bench 4.0 (AA) | 33.3 | 12.6 |
| Code Arena | WebDev Overall | 1570.0 | 1658.0 |
| Agent Arena · Overall (Ranking / Pareto) | — | 4.0 |
| Artificial Analysis Coding Agent Index v1.5 | — | 51.9 |
| OpenDesign Arena · Quality ranking | — | 65.7 |
| DeepSWE v1.1 | — | 68.5 |
| Radar IQ (Codex) | — | — |
| Lowest real price / MTok | $0.0036 | $0.023 |
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