Gemini 3.1 Pro vs Kimi K2
| Gemini 3.1 Pro | Kimi K2 | |
|---|---|---|
| Provider | Moonshot | |
| Context Window | 2,000,000 | 131,072 |
| Release Date | — | 2025-07-10 |
| Input Price | $2.00/ 1M tokens | $0.60/ 1M tokens |
| Output Price | $12.00/ 1M tokens | $2.50/ 1M tokens |
| Best for | complex reasoning · coding · long-context · multimodal | coding · reasoning · tool use · agentic workflows |
Capabilities
| Gemini 3.1 Pro | Kimi K2 | |
|---|---|---|
| Vision | ✓ | ✗ |
| Reasoning | ✓ | ✓ |
| Coding | ✓ | ✓ |
| Audio | ✓ | ✗ |
| Tools | ✓ | ✓ |
| Long Context | ✓ | ✓ |
Ranking Comparison
| Gemini 3.1 Pro | Kimi K2 | |
|---|---|---|
| Overall | 50 | 38 |
| Benchmark | 0 | 0 |
| Capability | 100 | 57.1 |
| Price Efficiency | 100 | 100 |
| Context | 100 | 65.5 |
Overall = Benchmark 50% + Capability 20% + Price Efficiency 20% + Context 10%.
Benchmark Comparison
| Gemini 3.1 Pro | Kimi K2 | |
|---|---|---|
| Coding | — | — |
| Reasoning | — | — |
| Math | — | — |
| Vision | — | — |
Price History
Gemini 3.1 Pro
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $2.00 | $12.00 |
/ 1M tokens
Kimi K2
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $0.60 | $2.50 |
/ 1M tokens
Gemini 3.1 Pro
Google's newest flagship with a 2M context window and advanced reasoning (preview).
Kimi K2
Moonshot AI's open-weight reasoning model built for agentic coding and tool use.