LongCat-Flash-Thinking vs LongCat-Flash-Thinking-2601: Specs & Benchmark Comparison
| Characteristic | LongCat-Flash-Thinking | LongCat-Flash-Thinking-2601 |
|---|---|---|
| Company | Meituan | Meituan |
| Release Date | September 21, 2025 | January 13, 2026 |
| Parameters | 560B | 560B |
| Multimodal | No | No |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| Tau2 Telecom | 0.8 | 1.0 |
| AIME 2025 | 0.9 | 1.0 |
| Tau2 Retail | 0.8 | 0.9 |
| SWE-Bench Verified | 0.6 | 0.6 |
| GPQA | 0.8 | 0.8 |
Visual Benchmark Comparison
LongCat-Flash-Thinking
LongCat-Flash-Thinking-2601
Tau2 Telecom0.8 vs 1.0
0.8
1.0
AIME 20250.9 vs 1.0
0.9
1.0
Tau2 Retail0.8 vs 0.9
0.8
0.9
SWE-Bench Verified0.6 vs 0.6
0.6
0.6
GPQA0.8 vs 0.8
0.8
0.8
Verdict
LongCat-Flash-Thinking-2601 leads in 1 out of 3 comparison categories.
Overall Performance
Both models show comparable average scores: LongCat-Flash-Thinking — 0.9, LongCat-Flash-Thinking-2601 — 0.8.
Programming
On SWE-Bench, both models are nearly equal: LongCat-Flash-Thinking — 0.6, LongCat-Flash-Thinking-2601 — 0.6.
Recency
LongCat-Flash-Thinking-2601 is newer: released 1/13/2026 vs 9/21/2025.
More About These Models
Related Comparisons
The LongCat-Flash-Thinking and LongCat-Flash-Thinking-2601 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 LongCat-Flash-Thinking-2601 page. See also the complete list of AI model comparisons.