How much does Grok Build 0.1 cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Grok Build 0.1 costs about $600.00 per month at xAI's list prices ($1.00 per 1M input tokens, $2.00 per 1M output tokens).

Does Grok Build 0.1 support prompt caching?

Yes. Cached input costs $0.20 per 1M tokens, compared with $1.00 for regular input.

How long is Grok Build 0.1's context window?

Grok Build 0.1 accepts up to 256,000 tokens (256K) of context and returns up to 256,000 tokens per response.

Grok Build 0.1 API Pricing

xAI · released Apr 16, 2026 · 256K context · API model ID grok-build-0.1

Grok Build 0.1 by xAI API pricing: $1.00 per 1M input tokens and $2.00 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Grok Build 0.1 prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$1.00
Output	$2.00
Cache read	$0.20
Cache write	Not published

xAI's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Estimated monthly cost

$600.00

per month

per day: $20.00
per request: $0.002

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Compare this workload across models

Long-context prices

Prompts longer than the threshold are billed at a higher rate.

Prompts over	Input	Output	Cache read	Cache write
200,000 tokens	$2.00	$4.00	$0.40	Not published

Monthly cost by workload

Workload	Per month
Chatbot1,000 in / 500 out tokens, 10,000 requests a day	$600.00/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$1,350/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$660.00/mo

Context and capabilities

Context: 256,000 tokens
Max output: 256,000 tokens
Input: text, image, pdf
Output: text
Knowledge cutoff: Not published
Open weights: No
Tool calling: Yes
Reasoning: Yes
Structured outputs: Yes

Capabilities and limits as listed by models.dev.

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Price history

No price changes since we started tracking on Oct 8, 2026.

Questions

How much does Grok Build 0.1 cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Grok Build 0.1 costs about $600.00 per month at xAI's list prices ($1.00 per 1M input tokens, $2.00 per 1M output tokens).
Does Grok Build 0.1 support prompt caching?: Yes. Cached input costs $0.20 per 1M tokens, compared with $1.00 for regular input.
How long is Grok Build 0.1's context window?: Grok Build 0.1 accepts up to 256,000 tokens (256K) of context and returns up to 256,000 tokens per response.