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Model details
Grok 4 Fast Non-Reasoning
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AI/ML APIx-ai/grok-4-fast-non-reasoning
Quick Info
Powered by
- Provider
- AI/ML API
- Model key
- x-ai/grok-4-fast-non-reasoning
- Release date
- Dec 18, 2025
- Last updated
- Dec 18, 2025
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $1.625
- Output token cost
- $3.25
Limits
- Output tokens
- 1,999,000 tokens
- Context window
- 2,000,000 tokens
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