Kimi K2 0905 vs LongCat-Flash-Chat: Specs & Benchmark Comparison
| Characteristic | Kimi K2 0905 | LongCat-Flash-Chat |
|---|---|---|
| Company | Moonshot AI | Meituan |
| Release Date | September 5, 2025 | August 28, 2025 |
| Parameters | 1.0T | 560B |
| Multimodal | No | No |
| Context (input) | 262K | — |
| Context (output) | 262K | — |
| Input Price / 1M | $0.60 | — |
| Output Price / 1M | $2.50 | — |
| Average Score | 0.8 | 0.9 |
| Benchmarks | ||
| HumanEval | 0.9 | 0.9 |
| GPQA | 0.8 | 0.7 |
| MMLU | 0.9 | 0.9 |
| MMLU-Pro | 0.8 | 0.8 |
Visual Benchmark Comparison
Kimi K2 0905
LongCat-Flash-Chat
HumanEval0.9 vs 0.9
0.9
0.9
GPQA0.8 vs 0.7
0.8
0.7
MMLU0.9 vs 0.9
0.9
0.9
MMLU-Pro0.8 vs 0.8
0.8
0.8
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: Kimi K2 0905 — 0.8, LongCat-Flash-Chat — 0.9.
Recency
Both models were released around the same time: 9/5/2025 and 8/28/2025.
More About These Models
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Frequently Asked Questions
Which is better for coding — Kimi K2 0905 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 0905 or LongCat-Flash-Chat?
API pricing data is available on the individual model pages.
Which has a larger context window — Kimi K2 0905 or LongCat-Flash-Chat?
Context window data is available on the individual model pages.
The Kimi K2 0905 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 0905 or LongCat-Flash-Chat page. See also the complete list of AI model comparisons.