Tuesday, July 7, 2026 · No. 345Prices synced 1 hour ago
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Grok 4.1 Fast Reasoning

by Vercel AI Gateway · family grok · listed Nov 2025RTV

Fast Grok model for responsive chat, reasoning, and tool-assisted work

Current rates USD per 1M tokens

Input$0.20
Output$0.50
Cache read$0.05
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Grok 4.1 Fast ReasoningGrok 4.1 Fast Reasoning: $0.20 per 1M tokens$0.20Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Grok 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 4.1 Fast ReasoningGrok 4.1 Fast Reasoning: $0.50 per 1M tokens$0.50Grok 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
xai/grok-4.1-fast-reasoning
Context window
1M tokens
Max output
1M tokens
Input modalities
text, image, pdf
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Oct 2024
Released
2025-11-19
Last updated
2025-07-09
Provider docs
github.com/vercel/ai/tree/5eb85cc45a259553501f535b8ac79a77d0e79223/packages/gateway

Back of the envelope

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Also listed at

  • Qiniu— in · — out
  • Poe— in · — out

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