Kimi K2.5 vs Mercury 2: Specs & Benchmark Comparison

CharacteristicKimi K2.5Mercury 2
CompanyMoonshot AIInception
Release DateJanuary 26, 2026February 1, 2026
Parameters1.0T
MultimodalYesNo
Average Score0.90.7
Benchmarks
GPQA0.90.7
AIME 20251.00.9

Visual Benchmark Comparison

Kimi K2.5
Mercury 2
GPQA0.9 vs 0.7
0.9
0.7
AIME 20251.0 vs 0.9
1.0
0.9

Verdict

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

Overall Performance

Both models show comparable average scores: Kimi K2.5 — 0.9, Mercury 2 — 0.7.

Recency

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

More About These Models

Related Comparisons

The Kimi K2.5 and Mercury 2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Kimi K2.5 or Mercury 2 page. See also the complete list of AI model comparisons.