Grok 4.7 vs Kimi K3.1 Pro
A side-by-side comparison of Grok 4.7 from xAI and Kimi K3.1 Pro from Moonshot AI, using published pricing, context windows, supported inputs, and release dates.
- Grok 4.7 input
- $2
- Kimi K3.1 Pro input
- $2
At a glance
Key differences
Kimi K3.1 Pro has the larger context window: 1.05M vs 500K tokens.
Kimi K3.1 Pro is the newer release (Oct 23, 2026, vs Sep 21, 2026).
Side by side
Grok 4.7 vs Kimi K3.1 Pro specs
| Spec | Grok 4.7 | Kimi K3.1 Pro |
|---|---|---|
| Provider | xAI | Moonshot AI |
| Released | Sep 21, 2026 | Oct 23, 2026 |
| Context window | 500,000 tokens | 1,048,576 tokens |
| Input price / 1M tokens | $2 | $2 |
| Output price / 1M tokens | $6 | $10 |
| 10K in + 1K out request | $0.026 | $0.03 |
| Accepts | file, image, text | image, text, video |
| Produces | text | text |
| Tool calling | Yes | Yes |
| Structured outputs | Yes | Yes |
| Reasoning | Yes | Yes |
| Popularity | 35/100 | 41/100 |
Highlighted values are better on that spec: lower price, larger context window, newer release, or higher popularity. Prices in USD per 1M tokens as listed on OpenRouter.
FAQ
Grok 4.7 vs Kimi K3.1 Pro questions
Which has the larger context window?
Kimi K3.1 Pro supports 1,048,576 tokens, the larger of the two.
Which model should I choose?
Pick the cheaper model for high-volume, simpler tasks, and test both on a sample of your real prompts before committing. Price and context size do not measure output quality on your specific workload.