Claude Sonnet 4.6 vs Kimi K2.5: Specs & Benchmark Comparison
| Characteristic | Claude Sonnet 4.6 | Kimi K2.5 |
|---|---|---|
| Company | Anthropic | Moonshot AI |
| Release Date | February 17, 2026 | January 26, 2026 |
| Parameters | — | 1.0T |
| Multimodal | Yes | Yes |
| Context (input) | 200K | — |
| Context (output) | 64K | — |
| Input Price / 1M | $3.00 | — |
| Output Price / 1M | $15.00 | — |
| Average Score | 0.7 | 0.9 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
Visual Benchmark Comparison
Claude Sonnet 4.6
Kimi K2.5
GPQA0.9 vs 0.9
0.9
0.9
Verdict
Claude Sonnet 4.6 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Sonnet 4.6 — 0.7, Kimi K2.5 — 0.9.
Recency
Claude Sonnet 4.6 is newer: released 2/17/2026 vs 1/26/2026.
More About These Models
Related Comparisons
The Claude Sonnet 4.6 and Kimi K2.5 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Sonnet 4.6 or Kimi K2.5 page. See also the complete list of AI model comparisons.