xAI2M contextcheapagents

Grok 4.1 Fast pricing

$0.20 per 1M input tokens, $0.50 per 1M output tokens from xAI. 2M context window.

Input /1M

$0.20

Output /1M

$0.50

Typical /1M

$0.28

input weighted 3:1

Context

Price history

Steady since we started tracking (Jul 13, 2026)

FastStandard

Quality by task

Benchmark-informed 0-100 estimates. Grok 4.1 Fast's strongest category is chat & support.

Chat & support86

Summarization85

Agents & tool use84

Reasoning & analysis84

Classification & routing84

Data extraction84

Translation84

Vision & multimodal84

General / other83

Coding & code review82

Writing & content82

Cheaper alternatives for chat & support

Models under $0.28/1M typical that stay within 10 quality points of Grok 4.1 Fast's 86 score on this task.

GPT-5 nanoOpenAI · Chat score 80$0.14/1M Mistral Small 3.2Mistral · Chat score 82$0.15/1M Gemini 2.5 Flash-LiteGoogle · Chat score 79$0.18/1M

Price a real prompt against Grok 4.1 Fast

The free estimator ranks every catalog model on cost and quality for chat & support,Grok 4.1 Fast included.

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Compare Grok 4.1 Fast against

DeepSeek V3.2 Qwen3 235B Llama 4 Maverick

Prices are list $/1M tokens, hand-maintained from public provider pricing. Task scores are benchmark-informed 0-100 estimates, not gospel — validate on your own evals before moving production traffic. Not affiliated with any model provider.