Grok-4 Heavy vs LongCat-Flash-Thinking: Specs & Benchmark Comparison
| Characteristic | Grok-4 Heavy | LongCat-Flash-Thinking |
|---|---|---|
| Company | xAI | Meituan |
| Release Date | July 8, 2025 | September 21, 2025 |
| Parameters | — | 560B |
| Multimodal | Yes | No |
| Average Score | 0.8 | 0.9 |
| Benchmarks | ||
| AIME 2025 | 1.0 | 0.9 |
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
Grok-4 Heavy
LongCat-Flash-Thinking
AIME 20251.0 vs 0.9
1.0
0.9
GPQA0.9 vs 0.8
0.9
0.8
Verdict
LongCat-Flash-Thinking leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Grok-4 Heavy — 0.8, LongCat-Flash-Thinking — 0.9.
Recency
LongCat-Flash-Thinking is newer: released 9/21/2025 vs 7/8/2025.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Grok-4 Heavy or LongCat-Flash-Thinking?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Grok-4 Heavy or LongCat-Flash-Thinking?
API pricing data is available on the individual model pages.
Which has a larger context window — Grok-4 Heavy or LongCat-Flash-Thinking?
Context window data is available on the individual model pages.
The Grok-4 Heavy and LongCat-Flash-Thinking comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Grok-4 Heavy or LongCat-Flash-Thinking page. See also the complete list of AI model comparisons.