Claude Opus 5 vs MoonshotAI: Kimi K3
MoonshotAI: Kimi K3 wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Claude Opus 5 | MoonshotAI: Kimi K3 |
|---|---|---|
| Intelligence Index | 60.7✓ | 57.1 |
| Coding Index | 78.0✓ | 76.2 |
| GPQA Diamond | 93% | 94%✓ |
| Design Arena Elo | — | 1462✓ |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $5.00 | $3.00✓ |
| Output price /M | $25.00 | $15.00✓ |
| Context window | 1M | 1.0M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |
Frequently asked
Is Claude Opus 5 better than MoonshotAI: Kimi K3?
MoonshotAI: Kimi K3 wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.
What are the biggest differences between Claude Opus 5 and MoonshotAI: Kimi K3?
The table on this page compares Claude Opus 5 and MoonshotAI: Kimi K3 metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.