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Grok 4.1 Fast (Non-Reasoning)
xai·xai/grok-4-1-fast-non-reasoning·Deprecated·Closed·grok series
Fast Grok model for responsive chat, reasoning, and tool-assisted work
At a glance
Reference price$0.20 / $0.50 per 1M
Cache read — · Abacus
Lowest paid$0.18 / $0.45
Jiekou.AI Gateway · 1.1× spread
Context2,000,000
⚠ Providers report 128,000–2,000,000; the table below is authoritative
Output limit16,384
Capabilities
Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2025-01-01
Released / updated2025-11-19 / 2026-01
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 10 providers9 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Jiekou.AI | Gateway | $0.18 | $0.45 | — | — | 2,000,000 | 2,000,000 | |
| ZenMux x-ai/grok-4.1-fast-non-reasoning | Gateway | $0.20 | $0.50 | $0.05 | — | 2,000,000 | 64,000 | deprecated |
| Perplexity Agent | Gateway | $0.20 | $0.50 | $0.05 | — | 2,000,000 | 30,000 | |
| 302.AI | Gateway | $0.20 | $0.50 | — | — | 2,000,000 | 30,000 | |
| Azure | First-party | $0.20 | $0.50 | $0.05 | — | 128,000 ⚠ | 8,192 | beta |
| FrogBot | Gateway | $0.20 | $0.50 | $0.05 | — | 2,000,000 | 128,000 | |
| Vercel AI Gateway spacexai/grok-4.1-fast-non-reasoning | Cloud | $0.20 | $0.50 | $0.05 | — | 1,000,000 ⚠ | 1,000,000 | |
| DevPass (LLM Gateway) | Gateway | $0.20 | $0.50 | $0.05 | — | 2,000,000 | 2,000,000 | |
| Abacus | Gateway | $0.20 | $0.50 | — | — | 2,000,000 | 16,384 | |
| Poe xai/grok-4.1-fast-non-reasoning | Gateway | — | — | — | — | 2,000,000 | 30,000 | hostTable.undisclosed |
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$47.00
2Perplexity Agent$47.00
3Azure$47.00
4FrogBot$47.00
5Vercel AI Gateway$47.00
6DevPass (LLM Gateway)$47.00
The cheapest paid channel is the only channel.
Related models
Grok 4.6same series$2.00 / $6.00Grok 4.6 (xAI)same series$2.00 / $6.00Grok 4.6 (AWS Bedrock)same series$2.00 / $6.00Lyria 3 Clip Previewcheaper alternative$0 / $0Gemini 2.0 Flash-Litecheaper alternative$0.075 / $0.30Lyria 3 Pro Previewcheaper alternative$0 / $0
Price historyone sample accumulated per data sync
Input listOutput listMin blended