Model Price Index
Updated 2026-07-14 · Changelog

Grok Build

xAI

xAI's coding model for agentic software engineering and workflow tasks

$1.00

Input

$2.00

Output

per 1M tokens
200K input tokens

Above 200K input tokens per request: $2.00 in / $4.00 out. Cache rates step at the same bracket.

Ratesper 1M tokens

Grok Build pricing by input token bracket
Rate≤200K200K-256K
Standard Input$1.00$2.00
Standard Output$2.00$4.00
Cache Read$0.20$0.40

Bracket is selected by input tokens per request.

Estimate Your Monthly Cost

A request with input and output tokens, requests / month at a % cache hit rate $90.00/mo≤200K rate

Compare all models at this workload →

Per-request input tokens select the bracket. Excludes cache writes and batch discounts.

Additional Pricing

Input (>200K context)per 1M tokens$2.00
Output (>200K context)per 1M tokens$4.00

Also routable via OpenRouter at the same list price. OpenRouter adds a 5.5% platform fee on pay-as-you-go credits (verified 2026-07-08).

Specifications

API Model IDgrok-build-0.1
Context Window256K tokens
Modalitiestext · image
Capabilitiestool-use · streaming · json-mode · vision · code

More xAI Text / Chat Models

Grok 4.3 · Grok 4.20 Reasoning · Grok 4.20 Non-Reasoning · Grok 4.20 Multi-Agent