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Grok 4.7 vs Kimi K3: price comparison
Grok 4.7 lists at $2 / $6 and Kimi K3 at $3 / $15 per 1M input/output tokens. Grok 4.7 is cheaper on both input and output tokens.
List prices
| Grok 4.7 | Kimi K3 | |
|---|---|---|
| Maker | xAI | Moonshot |
| Input / 1M tokens | $2 | $3 |
| Output / 1M tokens | $6 | $15 |
| Through Somnus (at 2×) | $1 / $3 | $1.5 / $7.5 |
Cost per request
| Workload | Grok 4.7 | Kimi K3 |
|---|---|---|
| Chat reply (1.5k in / 500 out) | $0.0060 | $0.01 |
| Summary of a long document (20k in / 800 out) | $0.04 | $0.07 |
| Code generation (4k in / 3k out) | $0.03 | $0.06 |
Computed from list prices. Actual token counts vary by tokenizer and prompt.
Which should you pick?
Grok 4.7 is cheaper on both input and output tokens.
Price is only one factor. Try both on a sample of your own prompts — with Somnus that's the same key and the same code, only the model name changes.
Questions
Can I use Grok 4.7 and Kimi K3 with one API key?
Yes. Both are available through Somnus from the same key and balance.
Are these the official prices?
They are the list prices per 1M tokens that Somnus bills usage at. Your credit is worth at least 2× what you pay.
Try both on your own prompts
Switch between Grok 4.7 and Kimi K3 by changing one string. New accounts get $5 free.
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