LLM Comparison
Kimi K2.5 vs Grok 4.20
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
K Kimi K2.5 | ||
|---|---|---|
| Organization | Moonshot AI | |
| OpenTools Score | ||
| Family | Kimi | Grok |
| Status | Current | Current |
| Release Date | Jan 2026 | Mar 2026 |
| Context Window | 262K tokens | 2.0M tokens |
| Input Price | $0.38/M tokens | $2.00/M tokens |
| Output Price | $1.72/M tokens | $6.00/M tokens |
| Pricing Notes | Cache read: $0.1913/M tokens | Cache read: $0.2000/M tokens |
| Capabilities | textvisioncode | textvisioncode |
| Max Output | 66K tokens | — |
| API Identifier | moonshotai/kimi-k2.5 | x-ai/grok-4.20 |
| View Kimi K2.5 | View Grok 4.20 |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Kimi K2.5Cheapest | $0.38 | $0.86 | $1.24 | — |
| Grok 4.20 | $2.00 | $3.00 | $5.00 | +302% |
Moonshot AI
Kimi K2.5
Kimi K2.5 is a multimodal llm from Moonshot AI. Supports up to 262,144 token context window. Available from $0.38/M input tokens.
xAI
Grok 4.20
Grok 4.20 is a multimodal llm from xAI. Supports up to 2,000,000 token context window. Available from $2.00/M input tokens.
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