DEEPSEEK VS XAI
DeepSeek V4 Pro vs Grok Code Fast 1
Grok Code Fast 1 is about 1.0x cheaper than DeepSeek V4 Pro on a blended 3:1 input:output rate — the same 10K-in/2K-out request costs $0.005 vs $0.0061. DeepSeek V4 Pro has the larger context window (1,000,000 vs 256,000 tokens).
Pricing verified
API pricing per 1M tokens
| Model | Input / 1M tokens | Output / 1M tokens | Blended (3:1 mix) |
|---|---|---|---|
| DeepSeek V4 Pro | $0.435 | $0.87 | $0.544 |
| Grok Code Fast 1 | $0.20 | $1.50 | $0.525 |
Rates from official DeepSeek pricing and official xAI pricing, checked 2026-08-11. Note: DeepSeek made its promotional rate the official list price after 2026-05-31.
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 |
|---|---|---|---|
| DeepSeek V4 Pro | $0.0061 | $609 | +$109 |
| Grok Code Fast 1 | $0.005 | $500 | — |
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 | DeepSeek V4 Pro | Grok Code Fast 1 |
|---|---|---|
| Provider | DeepSeek | xAI |
| Context window | 1,000,000 tokens | 256,000 tokens |
| Model class | Reasoning | General text |
| Tokenizer | Proprietary (counts estimated) | Proprietary (counts estimated) |
Count tokens for each model on its own page: DeepSeek V4 Pro token counter and Grok Code Fast 1 token counter. All DeepSeek models are on the DeepSeek Token Counter. All xAI models are on the Grok Token Counter.
FAQ
DeepSeek V4 Pro vs Grok Code Fast 1 FAQ
Which is cheaper, DeepSeek V4 Pro or Grok Code Fast 1?
Grok Code Fast 1 is cheaper. At rates checked 2026-08-11, DeepSeek V4 Pro costs $0.435 input / $0.87 output per 1M tokens, while Grok Code Fast 1 costs $0.20 input / $1.50 output — about a 1.0x difference on a typical 3:1 input-heavy workload.
How much does a real request cost on DeepSeek V4 Pro vs Grok Code Fast 1?
A request with 10,000 input tokens and 2,000 output tokens costs about $0.0061 on DeepSeek V4 Pro and $0.005 on Grok Code Fast 1. At 100,000 such requests per month that is $609 vs $500 — a difference of $109 per month.
Which has the bigger context window, DeepSeek V4 Pro or Grok Code Fast 1?
DeepSeek V4 Pro. It supports 1,000,000 tokens of context versus 256,000 tokens — roughly 750,000 English words in one request.
Do DeepSeek V4 Pro and Grok Code Fast 1 count tokens the same way?
Not exactly. DeepSeek V4 Pro uses a proprietary tokenizer (counts are estimates) and Grok Code Fast 1 uses a proprietary tokenizer (counts are estimates). The same prompt will tokenize differently, which shifts effective cost per word.