Gemini 3.1 Pro vs Kimi K2.5
Google vs Moonshot AI — benchmarks, pricing, and capabilities side by side.
- •Kimi K2.5 has the higher intelligence index (87.9 vs 83.2)
- •Kimi K2.5 is cheaper ($0.40 vs $2.00 per 1M input)
- •Gemini 3.1 Pro is faster
- •Gemini 3.1 Pro has a larger context window (1M)
| Gemini 3.1 Pro | Kimi K2.5 | |
|---|---|---|
| Intelligence index | 83.2 | 87.9 |
| Developer | Moonshot AI | |
| Type | Multimodal | Multimodal |
| Access | API only | Open weights |
| Context window | 1,048,576 tokens | 262,144 tokens |
| Input price | $2.00 / 1M | $0.40 / 1M |
| Output price | $12.00 / 1M | $1.90 / 1M |
| Speed | 142 tok/s | 35 tok/s |
| Released | February 19, 2026 | January 27, 2026 |
| Parameters | — | 1T (32B active) |
| Input modalities | Text, Image, Audio, Video | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
Gemini 3.1 Pro
Kimi K2.5
GPQA Diamond
94.3
87.9
Humanity’s Last Exam
44.4
29.4