Which is better for coding — Kimi K2.5 or LongCat-Flash-Chat?

Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.

Which model is cheaper — Kimi K2.5 or LongCat-Flash-Chat?

API pricing data is available on the individual model pages.

Which has a larger context window — Kimi K2.5 or LongCat-Flash-Chat?

Context window data is available on the individual model pages.

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

Characteristic	Kimi K2.5	LongCat-Flash-Chat
Company	Moonshot AI	Meituan
Release Date	January 26, 2026	August 28, 2025
Parameters	1.0T	560B
Multimodal	Yes	No
Average Score	0.9	0.9
Benchmarks
GPQA	0.9	0.7
MMLU-Pro	0.9	0.8

Visual Benchmark Comparison

Kimi K2.5

LongCat-Flash-Chat

GPQA0.9 vs 0.7

0.9

0.7

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-Chat — 0.9.

Recency

Kimi K2.5 is newer: released 1/26/2026 vs 8/28/2025.

More About These Models

Kimi K2.5

Moonshot AI — specs, benchmarks, API

LongCat-Flash-Chat

Meituan — specs, benchmarks, API

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All model comparisons →

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