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Grok 4 Fast

At a glance

Fast version of Grok 4 with SOTA cost-efficiency and 2M-token context.

77#36/92
Agent Demos
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AI Output
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Benchmarks
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CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI· as of 2026-07-10
Capability
CapabilityECI77.0
Agentic
Novel Reasoning5.3%
Specs
—
Context
—
Max output
—
Released
Capabilities
Vision
Audio
Reasoning
Pricing
Pricing not available
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