Kimi K2.5 vs Grok 4
| Kimi K2.5 | Grok 4 | |
|---|---|---|
| Provider | Moonshot | xAI |
| Context Window | 262,144 | 1,000,000 |
| Release Date | — | — |
| Input Price | $0.50/ 1M tokens | $1.25/ 1M tokens |
| Output Price | $2.80/ 1M tokens | $2.50/ 1M tokens |
| Best for | coding · reasoning · tool use · agentic workflows | reasoning · coding · chatbot · long-context |
Capabilities
| Kimi K2.5 | Grok 4 | |
|---|---|---|
| Vision | ✗ | ✓ |
| Reasoning | ✓ | ✓ |
| Coding | ✓ | ✓ |
| Audio | ✗ | ✗ |
| Tools | ✓ | ✓ |
| Long Context | ✓ | ✓ |
Ranking Comparison
| Kimi K2.5 | Grok 4 | |
|---|---|---|
| Overall | 41.4 | 47.1 |
| Benchmark | 0 | 0 |
| Capability | 57.1 | 85.7 |
| Price Efficiency | 100 | 100 |
| Context | 100 | 100 |
Overall = Benchmark 50% + Capability 20% + Price Efficiency 20% + Context 10%.
Benchmark Comparison
| Kimi K2.5 | Grok 4 | |
|---|---|---|
| Coding | — | — |
| Reasoning | — | — |
| Math | — | — |
| Vision | — | — |
Price History
Kimi K2.5
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $0.50 | $2.80 |
/ 1M tokens
Grok 4
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $1.25 | $2.50 |
/ 1M tokens
Kimi K2.5
Moonshot AI's latest open-weight reasoning model for agentic coding and tool use.
Grok 4
xAI's flagship model with a 1M context window and strong reasoning (Grok 4 series).