Claude Opus 4.6 vs Kimi K2.5: Specs & Benchmark Comparison

CharacteristicClaude Opus 4.6Kimi K2.5
CompanyAnthropicMoonshot AI
Release DateFebruary 4, 2026January 26, 2026
Parameters1.0T
MultimodalYesYes
Context (input)1.0M
Context (output)128K
Input Price / 1M$5.00
Output Price / 1M$25.00
Average Score0.80.9
Benchmarks
AIME 20251.01.0
GPQA0.90.9

Visual Benchmark Comparison

Claude Opus 4.6
Kimi K2.5
AIME 20251.0 vs 1.0
1.0
1.0
GPQA0.9 vs 0.9
0.9
0.9

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: Claude Opus 4.6 — 0.8, Kimi K2.5 — 0.9.

Recency

Both models were released around the same time: 2/4/2026 and 1/26/2026.

More About These Models

Related Comparisons

The Claude Opus 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 Opus 4.6 or Kimi K2.5 page. See also the complete list of AI model comparisons.