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Claude Code is Anthropic’s agentic coding tool that can read, modify, and execute code in your working directory. Open models can be used with Claude Code through Ollama’s Anthropic-compatible API, enabling you to use models such as glm-4.7, qwen3-coder, gpt-oss. Claude Code with Ollama

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Install

Install Claude Code: 
curl -fsSL https://claude.ai/install.sh | bash

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Usage with Ollama

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Quick setup

ollama launch claude
To configure without launching: 
ollama launch claude --config

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Manual setup

Claude Code connects to Ollama using the Anthropic-compatible API.
  1. Set the environment variables:
export ANTHROPIC_AUTH_TOKEN=ollama
export ANTHROPIC_API_KEY=""
export ANTHROPIC_BASE_URL=http://localhost:11434
  1. Run Claude Code with an Ollama model:
claude --model gpt-oss:20b
Or run with environment variables inline: 
ANTHROPIC_AUTH_TOKEN=ollama ANTHROPIC_BASE_URL=http://localhost:11434 ANTHROPIC_API_KEY="" claude --model qwen3-coder
Note: Claude Code requires a large context window. We recommend at least 64k tokens. See the context length documentation for how to adjust context length in Ollama.
  • qwen3-coder
  • glm-4.7
  • gpt-oss:20b
  • gpt-oss:120b
Cloud models are also available at ollama.com/search?c=cloud.