MoonshotAI: Kimi K3.1 Pro vs Grok 4.6
moonshotai/kimi-k3.1-pro · x-ai/grok-4.6
As of November 4, 2026, MoonshotAI: Kimi K3.1 Pro is the cheaper API on UberLLM: $0.1000 per million input tokens and $0.5000 per million output, versus $0.2107 / $0.6320 for Grok 4.6, about 24% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose MoonshotAI: Kimi K3.1 Pro to cut cost; choose Grok 4.6 when its capabilities fit your task better.
MoonshotAI: Kimi K3.1 Pro vs Grok 4.6, side by side
| Spec | MoonshotAI: Kimi K3.1 Pro | Grok 4.6 |
|---|---|---|
| Price · input / 1M | $0.1000 | $0.2107 |
| Price · output / 1M | $0.5000 | $0.6320 |
| Context length | 1,048,576 | 500,000 |
| Max output tokens | 943,718 | 200,000 |
| Input modalities | text, image, video | text, image, file |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 95% off | 89.5% off |
| First token, median (7 days) | 8.3 s (520 requests) | — |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 4, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
MoonshotAI: Kimi K3.1 Pro vs Grok 4.6 — FAQ
Is MoonshotAI: Kimi K3.1 Pro or Grok 4.6 cheaper?
MoonshotAI: Kimi K3.1 Pro is cheaper on a blended token mix, by about 24%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between MoonshotAI: Kimi K3.1 Pro and Grok 4.6?
MoonshotAI: Kimi K3.1 Pro: $0.1000 in / $0.5000 out per 1M tokens. Grok 4.6: $0.2107 in / $0.6320 out per 1M tokens. That's roughly a 24% blended difference. Prices are live; UberLLM adds no fee.
Can I use both MoonshotAI: Kimi K3.1 Pro and Grok 4.6 with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.