Anthropic's Claude and Moonshot AI's Kimi, compared through their current models on the Respan Index. The strongest Claude model today is Claude Opus 5.5 (#1 on the Respan Index, 72.4); the strongest Kimi model is Kimi K3 (#21, 50.6). Claude's best models lead in coding, agents, reasoning, knowledge and human preference.
| Category | Claude | Kimi |
|---|---|---|
| coding | Claude Opus 5.5 72.8 | Kimi K3 37.2 |
| agents | Claude Sonnet 5.5 78.1 | Kimi K3 63.1 |
| reasoning | Claude Opus 5.5 75.5 | Kimi K3 47.0 |
| knowledge | Claude Fable 5 72.4 | Kimi K3 52.7 |
| human preference | Claude Opus 5.5 60.6 | Kimi K3 |
Each family's highest Respan Index category score; the higher one is bold. * Estimated: no published scores in that category. How the Respan Index works
Respan Index rank and score, blended list price per 1M tokens.
Respan Index rank and score, blended list price per 1M tokens.
The cheapest ranked Claude model is Claude Haiku 4.5 at $2 per 1M tokens blended; the cheapest Kimi model is Kimi K2.6 at $1.71.