LongCat-Flash-Thinking vs Mercury 2: Specs & Benchmark Comparison
| Characteristic | LongCat-Flash-Thinking | Mercury 2 |
|---|---|---|
| Company | Meituan | Inception |
| Release Date | September 21, 2025 | February 1, 2026 |
| Parameters | 560B | — |
| Multimodal | No | No |
| Average Score | 0.9 | 0.7 |
| Benchmarks | ||
| GPQA | 0.8 | 0.7 |
| AIME 2025 | 0.9 | 0.9 |
Visual Benchmark Comparison
LongCat-Flash-Thinking
Mercury 2
GPQA0.8 vs 0.7
0.8
0.7
AIME 20250.9 vs 0.9
0.9
0.9
Verdict
Mercury 2 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: LongCat-Flash-Thinking — 0.9, Mercury 2 — 0.7.
Recency
Mercury 2 is newer: released 2/1/2026 vs 9/21/2025.
More About These Models
Related Comparisons
The LongCat-Flash-Thinking and Mercury 2 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 Mercury 2 page. See also the complete list of AI model comparisons.