← Model list
Grok 4.2 Fast Non Reasoning
xai·xai/grok-4.2-fast-non-reasoning·GA·Closed
Fast Grok model for responsive chat, reasoning, and tool-assisted work
At a glance
Reference price$3.00 / $9.00 per 1M
Cache read — · ZenMux
Lowest paid$3.00 / $9.00
ZenMux Gateway
Context2,000,000
Output limit30,000
Capabilities
Reasoning✓ Tool use? Structured output✓ Temperature✓ Attachments
Modalities
TextImageVideo
Knowledge cutoff2025-08-31
Released / updated2026-03-20 / 2026-03-20
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| ZenMux | Gateway | $3.00 | $9.00 | — | — | 2,000,000 | 30,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1ZenMux$1,050.00
The cheapest paid channel is the only channel.
Related models
Qwen3 Coder Pluscheaper alternative$1.00 / $5.00Qwen3 Coder Flashcheaper alternative$0.144 / $0.574Grok 4.20 (Non-Reasoning)cheaper alternative$1.25 / $2.50DeepSeek Chatcheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input listOutput listMin blended