Grok 4.1 Fast (Reasoning) API Pricing
xAI · released 2025-11-19
Grok 4.1 Fast (Reasoning) price
No official API price published for Grok 4.1 Fast (Reasoning) yet.
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | No public data yet | ||
| Epoch Mock AIME accuracy | No public data yet | ||
| Epoch FrontierMath (T1–3) accuracy | No public data yet | ||
| Arena text rating | 1430 | arena | 2026-10-28 |
| Arena coding rating (human preference votes, not task accuracy) | 1461 | arena | 2026-10-28 |
| Arena math rating | 1421 | arena | 2026-10-28 |
| Arena WebDev rating | 1242 | arena | 2026-10-28 |
More from xAI
| Model | Released | Blended $/1M |
|---|---|---|
| Grok Voice 3.0 | 2026-10-14 | — |
| Grok Imagine Video 1.5 Lite | 2026-10-01 | — |
| Grok 4.7 | 2026-09-21 | $3.00 |
| Grok Voice Transcribe 2.0 | 2026-09-17 | — |
| Grok 4.6 | 2026-08-12 | $3.00 |
| Grok Imagine Image 2.0 | 2026-08-07 | — |
| Grok Voice STT 1.0 | 2026-08-04 | — |
| Grok Voice TTS 1.0 | 2026-07-31 | — |
Prices: xAI's official list price as recorded by None; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Grok 4.1 Fast (Reasoning)?
Grok 4.1 Fast (Reasoning) is developed by xAI, released 2025-11-19.
Is Grok 4.1 Fast (Reasoning)'s API pricing published?
No — as of the last data sync (2026-11-06), neither models.dev nor LiteLLM has published official API pricing for Grok 4.1 Fast (Reasoning). This page updates automatically once pricing is available.
Which benchmarks is Grok 4.1 Fast (Reasoning) scored on?
Grok 4.1 Fast (Reasoning) has published results for: Arena text rating; Arena coding rating (human preference votes, not task accuracy); Arena math rating; Arena WebDev rating. The Benchmarks table on this page shows each score with its source and date.
Where does this data come from?
Pricing for Grok 4.1 Fast (Reasoning) comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.