Grok Build 0.1 pricing

xAI · API id grok-build-0.1 · verified 2026-10-18

Input$1.00
Cached input (cache hit)$0.20
Cache write—
Output$2.00
Batch discount—
Context window256,000 tokens
Max output—
Above 200K prompt tokens$2.00 in / $4.00 out

USD per 1M tokens unless noted. Official source

Estimate your workload on Grok Build 0.1 →

What Grok Build 0.1 costs for real workloads

WorkloadGrok Build 0.1Ministral 3 8BClaude Haiku 5.5GPT-6 LunaMistral Small 4
10,000 chatbot replies
2,000 input + 400 output tokens each, 50% of the prompt cached
$20.00$2.25$3.10$3.10$4.05
One 30-step coding agent run
12K system + tools prompt, 1K output and 3K tool result per step, caching on
$0.60$0.05$0.12$0.05$0.07
1M documents classified (batch)
600 input + 20 output tokens each, batch API where available
$640$46.50$35.00$35.00$51.00

Compared with the cheapest other small models. Change the numbers in the calculator.

Billing notes

Coding model; xAI's cheapest public API text model. No batch discount. Requests with >=200K prompt tokens bill ALL tokens at the higher rate. Grok 4.7 Fast is not on the public API.

Where Grok Build 0.1 ranks by use case

Position by cost among all models that fit each workload (1 = cheapest).

Counting tokens for a prompt? The token counter estimates Grok Build 0.1 tokens (xAI, DeepSeek, Mistral tokenizer, estimated) and input cost.

Head-to-head comparisons

Other xAI models

FAQ

How much does Grok Build 0.1 cost per 1M tokens?

Grok Build 0.1 costs $1.00 per 1M input tokens and $2.00 per 1M output tokens at standard rates (verified 2026-10-18).

Does Grok Build 0.1 support prompt caching?

Yes. Cached input is billed at $0.20 per 1M tokens.

Is there a batch discount for Grok Build 0.1?

No batch discount is published for this model.

What is the context window of Grok Build 0.1?

256,000 tokens. Prompts over 200,000 tokens are billed at $2.00 input and $4.00 output for the whole request.