GPT-5.1 High vs LongCat-Flash-Thinking-2601: Specs & Benchmark Comparison
| Characteristic | GPT-5.1 High | LongCat-Flash-Thinking-2601 |
|---|---|---|
| Company | OpenAI | Meituan |
| Release Date | November 11, 2025 | January 13, 2026 |
| Parameters | — | 560B |
| Multimodal | Yes | No |
| Context (input) | 256K | — |
| Context (output) | 128K | — |
| Input Price / 1M | $2.00 | — |
| Output Price / 1M | $8.00 | — |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
| AIME 2025 | 1.0 | 1.0 |
Visual Benchmark Comparison
GPT-5.1 High
LongCat-Flash-Thinking-2601
GPQA0.9 vs 0.8
0.9
0.8
AIME 20251.0 vs 1.0
1.0
1.0
Verdict
LongCat-Flash-Thinking-2601 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.1 High — 0.9, LongCat-Flash-Thinking-2601 — 0.8.
Recency
LongCat-Flash-Thinking-2601 is newer: released 1/13/2026 vs 11/11/2025.
More About These Models
Related Comparisons
The GPT-5.1 High 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 GPT-5.1 High or LongCat-Flash-Thinking-2601 page. See also the complete list of AI model comparisons.