xAI · October 2026
Grok API pricing, every model
7 Grok models, from $1 to $2 per million input tokens. Grok models from xAI, including the fast variants.
Prices from OpenRouter’s models API, updated October 29, 2026
Grok Build 0.1
$1 in · $2 outAbout $69.00 a month for a 1,000-chats-a-day support bot.
Grok 4.7
$2 in · $6 outReleased 2026-09-21, 500K tokens of context.
Grok 4.5
−85%Cached input costs $0.30 instead of $2 per 1M tokens.
All Grok models and prices
| Model | Released | Input /1M | Output /1M | Cache read /1M | Batch in / out | Context | Chatbot, per month* |
|---|---|---|---|---|---|---|---|
| Grok 4.7 | 2026-09-21 | $2 | $6 | $0.50 | – | 500K | $162 |
| Grok 4.6 | 2026-08-12 | $2 | $6 | $0.50 | – | 500K | $162 |
| Grok 4.5 | 2026-07-08 | $2 | $6 | $0.30 | – | 500K | $162 |
| Grok Build 0.1 | 2026-05-20 | $1 | $2 | $0.20 | – | 256K | $69.00 |
| Grok 4.3 | 2026-04-30 | $1.25 | $2.50 | $0.20 | $1 / $2 | 1M | $86.25 |
| Grok 4.20 | 2026-03-31 | $1.25 | $2.50 | $0.20 | – | 2M | $86.25 |
| Grok 4.20 Multi-Agent | 2026-03-31 | $1.25 | $2.50 | $0.20 | – | 2M | $86.25 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
What three real workloads cost a month
| Model | Support chatbot | Daily summaries | Coding agent |
|---|---|---|---|
| Grok Build 0.1 | $69.00 | $1,080 | $307 |
| Grok 4.3 | $86.25 | $1,350 | $355 |
| Grok 4.20 | $86.25 | $1,350 | $355 |
| Grok 4.20 Multi-Agent | $86.25 | $1,350 | $355 |
| Grok 4.7 | $162 | $2,340 | $720 |
| Grok 4.6 | $162 | $2,340 | $720 |
| Grok 4.5 | $162 | $2,340 | $605 |
Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out · Daily summaries: 10,000 a day, 3,000 tokens in, 300 out · Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out. Cached share billed at the cache-read price where the model has one.
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Grok pricing questions
How much does the Grok API cost?
xAI’s models range from $1 per 1M input tokens and $2 per 1M output tokens (Grok Build 0.1) to $2 and $6 (Grok 4.5). The newest, Grok 4.7, costs $2 in and $6 out.
Which Grok model is the cheapest?
Grok Build 0.1, at $1 per 1M input tokens. A support chatbot doing 1,000 chats a day would cost about $69.00 a month on it.
Does xAI discount cached prompts?
Yes. On Grok 4.5, cached input costs $0.30 per 1M tokens instead of $2, 85% less. Long, repeated system prompts and agent loops benefit most.
Is there a batch discount?
1 Grok models have a batch price, typically half the normal rate, for jobs that can wait (up to 24 hours). See the Batch column below.
How do I track my Grok spend per product?
Route it through OpenRouter with one API key per product and connect OpenRouter to Glow: you get spend by model, API key and product every day, with cache hit rate. Track AI spend.
See your real Grok bill.
Glow shows what you actually spend by model, API key and product, every day, and which cheaper model would do the same job.
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