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xAIGrok 4Arena #30Jul 9, 2025

Grok 4 1 Fast Reasoning

A frontier multimodal model optimized specifically for high-performance agentic tool calling.

Context Window
2.0M
tokens
Max Output
—
tokens
Released
Jul 9, 2025
Arena Rank
#30
of 305 models
Output Speed
125
tokens/sec
Time to First Token
800ms
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
79/100
Coding IndexArtificial Analysis
74/100
Math IndexArtificial Analysis
85/100
MMLU-PROArtificial Analysis
0.835/1
GPQA DiamondArtificial Analysis
0.825/1
MATH-500Artificial Analysis
0.958/1
AIME 2024Artificial Analysis
0.82/1
Humanity's Last ExamArtificial Analysis
0.17/1
LiveCodeBenchArtificial Analysis
0.76/1
SciCodeArtificial Analysis
0.44/1

Model IDs

Requestyxai/grok-4-1-fast-reasoning

Tags

visiontool-callingcachingcomputer-use
Compare with another model

Compare with…

Grok 4 FastGrok 4 1 Fast Non ReasoningGrok 4 Fast Non Reasoning

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