Grok 4.20 0309 Reasoning by xAI pairs a multi-agent architecture with visible chain-of-thought for higher accuracy.
Available on
Pricing from$1.25/ 1M input$2.50/ 1M output$0.20/ 1M cache read1Mcontext
Privacy
- ZDR
- Training
- No
- Region
- US
Run Cline on Grok 4.20 Reasoning
Cline is an open-source autonomous coding agent for VS Code. It plans and applies multi-file changes, runs terminal commands, and works with any OpenAI-compatible provider, with its source on GitHub under Apache-2.0. Point its OpenAI-Compatible provider at Opper's base URL to run it on any of 700+ models, with fallbacks and a choice of region built in.
RunClineonin
ClineoninConnect Cline to Grok 4.20 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 4.20 Reasoning runs on the routes below. Route only to EU providers when your data has to stay in Europe. Some routes also sell priority processing: the same model at another price, picked per request with service_tier. How service tiers work.
The model
Run Cline on other models
Step-by-step setup for running Cline on each of these models through Opper.
GPT-6 SolGPT-6 LunaClaude Opus 5.5Grok 4.7MiMo V2.6 ProLing-3.0-flash-FinDeepSeek V4.1 FlashLing-3.0-flash-VLGPT-6 AstraQwen3.8-MaxGemini 3.8 FlashMuse Spark 1.3 ContributorClaude Fable 5.1GLM-5.3-FlashQwen3.8 Flash-NextGLM-5.3Qwen3.8 27BDeepSeek V4 ProGemini 3.7 FlashGrok 4.6Qwen3.8-2.4T-A95BInkling-SmallClaude Opus 5Gemini 3.6 FlashKimi K3GPT-5.6 SolGPT-5.6 TerraGPT-5.6 LunaGrok 4.5Claude Sonnet 5GLM-5.2Kimi K2.7 CodeClaude Fable 5MiniMax M3Claude Opus 4.8Qwen3.7-MaxKimi K2.6Claude Opus 4.7GLM 5.1Gemini 3.1 Pro PreviewClaude Sonnet 4.6GLM 4.7GPT-5Grok 4.20 ReasoningDeepSeek V4 Flash VisionHy4 PreviewQwen3.8 FlashMiniMax H3MiMo V2.6 FlashSCX-coderMAGPiEGreen LGreen RSee all 700+ models
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