$ diff kimi-k3-1-pro grok-4-7
Kimi K3.1 Pro vs Grok 4.7
Values come from Kimi K3.1 Pro and Grok 4.7, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
Moonshot AIKimi K3.1 Pro
- context
- 1.0M
- weights
- —
- $/M in
- $2
- $/M out
- $10
- context
- 500K
- weights
- —
- $/M in
- $2
- $/M out
- $6
What actually differs
- Context window
- Kimi K3.1 Pro takes 1.0M against 500K — 2.1× more room in a single request.
- Output price
- Grok 4.7 at $6/M against $10/M — 1.7× cheaper to generate. Output dominates the bill on most agentic workloads, where the model writes far more than it reads.
- Recency
- Kimi K3.1 Pro shipped 32 days after Grok 4.7 (2026-10-23 vs 2026-09-21).
Full spec
| Attribute | Kimi K3.1 Pro | Grok 4.7 |
|---|---|---|
| Developer | Moonshot AI | xAI |
| Released | 2026-10-23 | 2026-09-21 |
| Context window | 1,048,576 tokens ([source](../../sources/blogs/moonshot-2026-10-24-k3-pricing.md)) | 500K |
| Pricing | $2.00/MTok input · $10.00/MTok output · $0.20/MTok cached input; cache writes $2.00/MTok (5m), $4.00/MTok (1h); excludes taxes ([source](../../sources/blogs/moonshot-2026-10-24-k3-pricing.md)) | $2/M input · $0.50/M cached input · $6/M output (prompts ≤200K); $4/M · $1/M · $12/M above 200K |
| License | not recorded | not recorded |
| Availability | Kimi.ai, mobile apps, Kimi Work, Kimi Code, Kimi API; enterprise access off by default at launch ([source](../../sources/blogs/moonshot-2026-10-23-kimi-k3-1-pro.md)) | Grok API, Cursor, Grok Build, OpenRouter, Vercel, Cloudflare |