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 Zed on Grok 4.1 Fast Reasoning
Zed is a high-performance, open-source code editor from Zed Industries, the team that created Atom, written from scratch in Rust with AI and collaboration built in. Its agent panel works with any OpenAI-compatible provider you add, and API keys stay in your system keychain. Add Opper as a provider and Zed's agent runs on any of 700+ models, with a choice of EU or US hosting on one key.
RunZedonin
ZedoninConnect Zed to Grok 4.1 Fast Reasoning
Set up with agents
Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
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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