Kimi K2-Thinking-0905 vs LongCat-Flash-Chat: Specs & Benchmark Comparison
| Characteristic | Kimi K2-Thinking-0905 | LongCat-Flash-Chat |
|---|---|---|
| Company | Moonshot AI | Meituan |
| Release Date | September 4, 2025 | August 28, 2025 |
| Parameters | 1.0T | 560B |
| Multimodal | No | No |
| Context (input) | 262K | — |
| Context (output) | 66K | — |
| Input Price / 1M | $0.60 | — |
| Output Price / 1M | $2.40 | — |
| Average Score | 0.9 | 0.9 |
| Benchmarks | ||
| GPQA | 0.8 | 0.7 |
| MMLU-Pro | 0.8 | 0.8 |
Visual Benchmark Comparison
Kimi K2-Thinking-0905
LongCat-Flash-Chat
GPQA0.8 vs 0.7
0.8
0.7
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-Thinking-0905 — 0.9, LongCat-Flash-Chat — 0.9.
Recency
Both models were released around the same time: 9/4/2025 and 8/28/2025.
More About These Models
Related Comparisons
The Kimi K2-Thinking-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-Thinking-0905 or LongCat-Flash-Chat page. See also the complete list of AI model comparisons.