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3
grok-4-fast-reasoning
grok
302.AI ·
grok-4-fast-reasoning
Capabilities
Tool Call
Yes
Reasoning
Yes
Structured Output
No
Temperature Control
Yes
Attachments
Yes
Open Weights
No
Modalities
Input
text
image
Output
text
Pricing (per 1M tokens)
Input
$0.20
Output
$0.50
Install
Direct installation coming soon — March 2026
Provider Docs
Details
Provider
302.AI
Model ID
grok-4-fast-reasoning
Family
grok
Knowledge Cutoff
2025-06
Release Date
2025-12-18
Last Updated
2025-12-18
Limits
Context
2.0M
Max Output
30K
SDK
@ai-sdk/openai-compatible
grok-4-fast-reasoning — Harmony Marketplace