Expired70% confidenceFactTime unknown
Codex uses OpenAI's new protocol (Responses API), which DeepSeek currently does not support.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedCodex Desktop only supports OpenAI's official API interface by default and does not natively support third-party models like DeepSeek.78% similarUnverifiedDomestic large models such as DeepSeek, Kimi, and Tongyi Qianwen follow the standard OpenAI-compatible API format (e.g., /v1/chat/completions), which is incompatible with Codex's Azure-style paths.78% similarUnverifiedMore than half of Codex+DeepSeek configuration issues occur at the API configuration step, including incorrect API Key, spaces in the Base URL, missing model list entries, and disabled providers.76% similar
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