Kimi K2.5 vs LongCat-Flash-Thinking: Specs & Benchmark Comparison

CharacteristicKimi K2.5LongCat-Flash-Thinking
CompanyMoonshot AIMeituan
Release DateJanuary 26, 2026September 21, 2025
Parameters1.0T560B
MultimodalYesNo
Average Score0.90.9
Benchmarks
GPQA0.90.8
AIME 20251.00.9
MMLU-Pro0.90.8

Visual Benchmark Comparison

Kimi K2.5
LongCat-Flash-Thinking
GPQA0.9 vs 0.8
0.9
0.8
AIME 20251.0 vs 0.9
1.0
0.9
MMLU-Pro0.9 vs 0.8
0.9
0.8

Verdict

Kimi K2.5 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Kimi K2.5 — 0.9, LongCat-Flash-Thinking — 0.9.

Recency

Kimi K2.5 is newer: released 1/26/2026 vs 9/21/2025.

More About These Models

Related Comparisons

The Kimi K2.5 and LongCat-Flash-Thinking 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 LongCat-Flash-Thinking page. See also the complete list of AI model comparisons.