LLM Comparison
Grok 4.20 vs Kimi K2.5
Side-by-side specs, pricing & capabilities
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | ||
| Family | Grok | Kimi |
| Status | Current | Current |
| Release Date | Mar 2026 | Jan 2026 |
| Context Window | 2.0M tokens | 262K tokens |
| Input Price | $2.00/M tokens | $0.38/M tokens |
| Output Price | $6.00/M tokens | $1.72/M tokens |
| Pricing Notes | Cache read: $0.2000/M tokens | Cache read: $0.1913/M tokens |
| Capabilities | textvisioncode | textvisioncode |
| Max Output | — | 66K tokens |
| API Identifier | x-ai/grok-4.20 | moonshotai/kimi-k2.5 |
| Benchmarks | ||
| GPQA Diamond | 91.1%artificial-analysis | 87.9%artificial-analysis |
| GPQA Diamond | — | 87.6%https://huggingface.co/moonshotai/Kimi-K2.5 |
| MMLU-Pro | — | 87.1%https://huggingface.co/moonshotai/Kimi-K2.5 |
| Terminal-Bench 2.1 | — | 45.7%artificial-analysis |
| View Grok 4.20 | View Kimi K2.5 | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| 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% |
Compare hosting configurations
Compare two exact setups, including different configurations of the same model. Hardware fit, measured speed and costs are separate decisions.
No reviewed configurations are available to compare yet.
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.
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.
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