Kimi K2-Thinking-0905 vs Mercury 2: Specs & Benchmark Comparison
| Characteristic | Kimi K2-Thinking-0905 | Mercury 2 |
|---|---|---|
| Company | Moonshot AI | Inception |
| Release Date | September 4, 2025 | February 1, 2026 |
| Parameters | 1.0T | — |
| Multimodal | No | No |
| Context (input) | 262K | — |
| Context (output) | 66K | — |
| Input Price / 1M | $0.60 | — |
| Output Price / 1M | $2.40 | — |
| Average Score | 0.9 | 0.7 |
| Benchmarks | ||
| GPQA | 0.8 | 0.7 |
| AIME 2025 | 1.0 | 0.9 |
Visual Benchmark Comparison
Kimi K2-Thinking-0905
Mercury 2
GPQA0.8 vs 0.7
0.8
0.7
AIME 20251.0 vs 0.9
1.0
0.9
Verdict
Mercury 2 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Kimi K2-Thinking-0905 — 0.9, Mercury 2 — 0.7.
Recency
Mercury 2 is newer: released 2/1/2026 vs 9/4/2025.
More About These Models
Related Comparisons
The Kimi K2-Thinking-0905 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 Kimi K2-Thinking-0905 or Mercury 2 page. See also the complete list of AI model comparisons.