xAI

Grok 4.1 Fast

x-ai/grok-4.1-fast

2M context·30K max output·text+image->text

Input

$0.2000

per 1M tokens

Output

$0.5000

per 1M tokens

Cache Read

not available

Cache Write

not available

Quality Benchmarks

StrongValue: 207.6

Coding

Code generation, completion, debugging

46.8

Math

Competition math, calculus, olympiad

83.7

Reasoning

Logic, spatial, puzzle solving

77.7

Language

Summarization, paraphrase, writing

41.7

Overall

62.5

Source: LiveBench (livebench.ai) / Scores 0-100

Capabilities

VisionTool UseReasoningPrompt Caching

Similar Price Range

GPT 5.4 Nano

OpenAI

$0.2000 in$1.25 out400K

Minimax M2.5

Minimax

$0.2000 in$1.17 out196.6K

Olmo 3.1 32b Instruct

Allenai

$0.2000 in$0.6000 out65.5K

More from xAI

Grok 4 Fast

$0.2000 / $0.5000

Grok Code Fast 1

$0.2000 / $1.50

Grok 3 Mini

$0.3000 / $0.5000

Grok 3 Mini Beta

$0.3000 / $0.5000

Deploy your AI agent for $33/mo flat.

Managed Telegram bot hosting. We handle the infrastructure.

Any model. Any channel. Zero infrastructure.

Deploy Your Agent