xAI's Grok 4.6 and Moonshot AI's Kimi K3 compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.
| Specification | Grok 4.6 | Kimi K3 |
|---|---|---|
| Provider | xAI | Moonshot AI |
| API model ID | grok-4.6 | kimi-k3 |
| Description | xAI's frontier model for coding, agentic tasks, and knowledge work, with 500K context. | Moonshot AI's 2.8T-parameter flagship for long-horizon coding and knowledge work, with always-on reasoning, vision, and 1M context. |
| Context window | 500K tokens | 1.048576M tokens |
| Max output tokens | 32,768 | 8,192 |
| Input cost ($/1M tokens) | $2.40 | $3.60 |
| Output cost ($/1M tokens) | $7.20 | $18.00 |
| Cache read cost ($/1M tokens) | $0.60 | $0.36 |
| Latency | medium | high |
| Reasoning model | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Tool use | Yes | Yes |
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