Grok 4.1 Fast (Reasoning)
By SpaceXAI · released 2025-11-19 (11 months) · snapshot 2026-10-24
- Intelligence index
- 20.40
Is Grok 4.1 Fast (Reasoning) on the Pareto frontier, and what beats it?
Not ranked · benchmark data missing
Grok 4.1 Fast (Reasoning) does not report both selected axis metrics.
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
Grok 4.1 Fast (Reasoning) today
Incomplete benchmark data
Intelligence and benchmark cost are both required to place this model on the frontier. Missing data is not a performance verdict.
- Intelligence index
- 20.40
- Benchmark cost
- Not reported
- Input / 1M tokens
- Not reported
- Output / 1M tokens
- Not reported
- Context window
- 2000k
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: grok-4-1-fast-reasoning.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
Should you use Grok 4.1 Fast (Reasoning)?
Should you use Grok 4.1 Fast (Reasoning)?
No verdict: it does not report both intelligence and benchmark cost.
What is better and cheaper than Grok 4.1 Fast (Reasoning)?
Other models on the intelligence-vs-cost frontier
How much does Grok 4.1 Fast (Reasoning) cost?
Per-token prices are not reported; - to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Frontier membership by axis pair
Other axis pairs where Grok 4.1 Fast (Reasoning) is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | no data |
| AA intelligence index | End-to-end total seconds | no data |
| AA intelligence index | Output speed tokens/sec | no data |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/grok-4-1-fast-reasoning · Markdown: /api/v1/models/grok-4-1-fast-reasoning?format=md · llms.txt · agent skill