Grok 4.1 Fast Reasoning by xAI adds extended thinking to a 2M context window for complex multi-step logic.
Available on
Pricing from$0.20/ 1M input$0.50/ 1M output2Mcontext
Privacy
- ZDR
- Training
- No
- Region
- Multi
Run OmniRoute on Grok 4.1 Fast Reasoning
OmniRoute is an open-source gateway you run yourself: one endpoint in front of 350 providers, with quota-aware fallback, token compression, and MCP support, built for Claude Code, Codex, Cursor, OpenCode, Cline and Copilot. Opper is listed in its provider catalogue, so you paste your Opper key once under Providers and every agent you point at OmniRoute can pick from Opper's 700+ models, EU-hosted routes included, alongside whatever else you have configured.
RunOmniRouteonin
OmniRouteoninConnect OmniRoute to Grok 4.1 Fast Reasoning
Add Opper in OmniRoute
In OmniRoute (v3.8.51 or later), open Providers → API key providers, pick Opper and paste your key; on older builds add a custom OpenAI-compatible provider with base URL https://api.opper.ai/v3/compat. Then pick Grok 4.1 Fast Reasoning.
Model id
Where you can run it
Grok 4.1 Fast Reasoning runs on the routes below. Route only to EU providers when your data has to stay in Europe.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| Google Cloud | Multi | No | $0.20 | $0.50 |
The model
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