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xAIGrok 4Sep 19, 2025

Grok 4 Fast Non Reasoning

xAI's latest advancement in cost-efficient reasoning models

Context Window
2.0M
tokens
Max Output
—
tokens
Released
Sep 19, 2025
Arena Rank
—
Output Speed
185
tokens/sec
Time to First Token
450ms
TTFT

Capabilities

👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation

Pricing Comparison

RouterInput / 1MOutput / 1MCached Input / 1M
Requesty★$0.20$0.50$0.05
Vercel AI$0.20$0.50—
Martian$0.20$0.50—

Benchmarks

Artificial Analysis
Intelligence IndexArtificial Analysis
68/100
Coding IndexArtificial Analysis
62/100
Math IndexArtificial Analysis
72/100
MMLU-PROArtificial Analysis
0.778/1
GPQA DiamondArtificial Analysis
0.695/1
MATH-500Artificial Analysis
0.888/1
AIME 2024Artificial Analysis
0.48/1
Humanity's Last ExamArtificial Analysis
0.06/1
LiveCodeBenchArtificial Analysis
0.605/1
SciCodeArtificial Analysis
0.32/1

Model IDs

Requestyxai/grok-4-fast-non-reasoning

Tags

tool-callingcachingcomputer-use
Compare with another model

Compare with…

Grok 4 1 Fast Non ReasoningGrok 4 1 Fast ReasoningGrok 4 Fast

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