Unverified50% confidenceFactExact time
Claude Code uses Anthropic's Messages protocol rather than OpenAI's chat completions protocol, so setting only the Base URL cannot directly connect to OpenAI-shaped endpoints.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedClaude Code supports forwarding requests to any endpoint compatible with the OpenAI API format by configuring the ANTHROPIC_BASE_URL environment variable, enabling model replacement.77% similarUnverifiedDashScope's OpenAI-compatible chat-completions interface allows any code already written against the OpenAI SDK or format to call Qwen directly by simply changing the base URL and API Key, without rewriting business logic.70% similar
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