Friday, August 21, 2026 · No. 390Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

Grok 4.2 Fast Non Reasoning

by ZenMux · listed Mar 2026TV

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

Current rates USD per 1M tokens

Input$3.00
Output$9.00
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Grok 4.2 Fast Non ReasoningGrok 4.2 Fast Non Reasoning: $3.00 per 1M tokens$3.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Grok 4.2 Fast Non ReasoningGrok 4.2 Fast Non Reasoning: $9.00 per 1M tokens$9.00Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
x-ai/grok-4.2-fast-non-reasoning
Context window
2M tokens
Max output
30K tokens
Input modalities
text, image, video
Output modalities
text
Reasoning
no
Tool calls
yes
Open weights
no
Knowledge cutoff
Aug 2025
Released
2026-03-20
Last updated
2026-03-20
Provider docs
docs.zenmux.ai

Back of the envelope

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