XAI VS MOONSHOT AI
Grok Code Fast 1 vs Kimi K2.6
Grok Code Fast 1 is about 3.3x cheaper than Kimi K2.6 on a blended 3:1 input:output rate — the same 10K-in/2K-out request costs $0.005 vs $0.0175. Kimi K2.6 has the larger context window (262,144 vs 256,000 tokens).
Pricing verified
API pricing per 1M tokens
| Model | Input / 1M tokens | Output / 1M tokens | Blended (3:1 mix) |
|---|---|---|---|
| Grok Code Fast 1 | $0.20 | $1.50 | $0.525 |
| Kimi K2.6 | $0.95 | $4.00 | $1.713 |
Rates from official xAI pricing and official Moonshot AI pricing, checked 2026-08-11.
What a real workload costs
Example: one request with 10,000 input tokens and 2,000 output tokens, then that request at 100,000 runs per month.
| Model | Per request (10K in / 2K out) | Per month (100K requests) | Monthly delta |
|---|---|---|---|
| Grok Code Fast 1 | $0.005 | $500 | — |
| Kimi K2.6 | $0.0175 | $1,750 | +$1,250 |
Model your own prompt sizes and volumes in the token cost analyzer, or check caching savings with the prompt caching calculator.
Specs side by side
| Spec | Grok Code Fast 1 | Kimi K2.6 |
|---|---|---|
| Provider | xAI | Moonshot AI |
| Context window | 256,000 tokens | 262,144 tokens |
| Model class | General text | General text |
| Tokenizer | Proprietary (counts estimated) | Proprietary (counts estimated) |
Count tokens for each model on its own page: Grok Code Fast 1 token counter and Kimi K2.6 token counter. All xAI models are on the Grok Token Counter. All Moonshot AI models are on the Kimi Token Counter.
FAQ
Grok Code Fast 1 vs Kimi K2.6 FAQ
Which is cheaper, Grok Code Fast 1 or Kimi K2.6?
Grok Code Fast 1 is cheaper. At rates checked 2026-08-11, Grok Code Fast 1 costs $0.20 input / $1.50 output per 1M tokens, while Kimi K2.6 costs $0.95 input / $4.00 output — about a 3.3x difference on a typical 3:1 input-heavy workload.
How much does a real request cost on Grok Code Fast 1 vs Kimi K2.6?
A request with 10,000 input tokens and 2,000 output tokens costs about $0.005 on Grok Code Fast 1 and $0.0175 on Kimi K2.6. At 100,000 such requests per month that is $500 vs $1,750 — a difference of $1,250 per month.
Which has the bigger context window, Grok Code Fast 1 or Kimi K2.6?
Kimi K2.6. It supports 262,144 tokens of context versus 256,000 tokens — roughly 197,000 English words in one request.
Do Grok Code Fast 1 and Kimi K2.6 count tokens the same way?
Not exactly. Grok Code Fast 1 uses a proprietary tokenizer (counts are estimates) and Kimi K2.6 uses a proprietary tokenizer (counts are estimates). The same prompt will tokenize differently, which shifts effective cost per word.