Expired85% confidenceFactTime unknown
Claude Code natively only supports the Anthropic API format and requires a local proxy service (such as LiteLLM, one-api, etc.) to translate and forward requests to third-party services.
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedThe core approach of domestic alternatives to Claude Code is to use domestic large models or third-party relay services with compatible API interfaces to replace official Claude API calls.72% similarVerifiedIn the open-source local version of Claude Code, users can replace the underlying model via an API interface and are not required to use Anthropic's own Claude model.71% similarUnverifiedClaude Code needs to connect to a specific model service via an API Key, and failure to configure ANTHROPIC_API_KEY and related settings will cause the first conversation to fail.70% similarUnverifiedClaude Code supports Developer Mode which switches the model API endpoint from Anthropic's official API to a user-defined third-party API address70% similarUnverifiedClaude Code requires either an official paid subscription or a third-party API service to use69% similar
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