LongCat-Flash-Thinking vs Qwen3.5-397B-A17B: Specs & Benchmark Comparison
| Characteristic | LongCat-Flash-Thinking | Qwen3.5-397B-A17B |
|---|---|---|
| Company | Meituan | Alibaba |
| Release Date | September 21, 2025 | February 15, 2026 |
| Parameters | 560B | 397B |
| Multimodal | No | Yes |
| Average Score | 0.9 | 0.9 |
| Benchmarks | ||
| MMLU-Redux | 0.9 | 0.9 |
Visual Benchmark Comparison
LongCat-Flash-Thinking
Qwen3.5-397B-A17B
MMLU-Redux0.9 vs 0.9
0.9
0.9
Verdict
Qwen3.5-397B-A17B leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: LongCat-Flash-Thinking — 0.9, Qwen3.5-397B-A17B — 0.9.
Recency
Qwen3.5-397B-A17B is newer: released 2/15/2026 vs 9/21/2025.
More About These Models
Related Comparisons
The LongCat-Flash-Thinking and Qwen3.5-397B-A17B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the LongCat-Flash-Thinking or Qwen3.5-397B-A17B page. See also the complete list of AI model comparisons.