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Model details
Grok 4.2 Fast
Find out what this model does, when it was released, and which provider serves it.
ZenMuxx-ai/grok-4.2-fast
Quick Info
- Provider
- ZenMux
- Model key
- x-ai/grok-4.2-fast
- Release date
- Mar 20, 2026
- Last updated
- Mar 20, 2026
- Knowledge
- 2025-08-31
- Input modalities
- text, image, video
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Attachments, Temp controls
- Cost summary
- In $3.00 · Out $9.00
- Limit summary
- 2,000,000 token context window
Cost
- Input token cost
- $3.00
- Output token cost
- $9.00
Limits
- Output tokens
- 30,000 tokens
- Context window
- 2,000,000 tokens