Tuesday, July 7, 2026 · No. 345Prices synced 1 hour ago
All·AI·Model

The AI Model Price Index

Grok Build 0.1

by FastRouter · family grok-build · listed Apr 2026RTV

Fast Grok coding model tuned for agentic engineering and iterative edits

Current rates USD per 1M tokens

Input$1.00
Output$2.00
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Grok Build 0.1Grok Build 0.1: $1.00 per 1M tokens$1.00Grok 4.3Grok 4.3: $1.25 per 1M tokens$1.25Gemini 3.5 FlashGemini 3.5 Flash: $1.50 per 1M tokens$1.50Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50Claude Sonnet 5Claude Sonnet 5: $2.00 per 1M tokens$2.00GPT-5.5 ProGPT-5.5 Pro: $30.00 per 1M tokens$30.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.28 per 1M tokens$0.28Grok Build 0.1Grok Build 0.1: $2.00 per 1M tokens$2.00Grok 4.3Grok 4.3: $2.50 per 1M tokens$2.50Qwen3.7 PlusQwen3.7 Plus: $3.00 per 1M tokens$3.00Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50Gemini 3.5 FlashGemini 3.5 Flash: $9.00 per 1M tokens$9.00Claude Sonnet 5Claude Sonnet 5: $10.00 per 1M tokens$10.00GPT-5.5 ProGPT-5.5 Pro: $180 per 1M tokens$180

On the record

Model id
x-ai/grok-build-0.1
Context window
256K tokens
Max output
256K tokens
Input modalities
text, image, pdf
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
—
Released
2026-04-16
Last updated
2026-04-16
Provider docs
fastrouter.ai/models

Back of the envelope

≈

Also listed at

← All FastRouter listings