Expired80% confidenceFactTime unknown
Codex supports only GPT-series models by default and requires the CDX reverse proxy tool to connect to DeepSeek.
1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
6/2/2026
First Seen
Valid until: 8/31/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedCodex is made by OpenAI and only supports GPT series models by default, requiring a CDX reverse proxy tool to connect to DeepSeek.84% similarUnverifiedDomestic large models such as DeepSeek and Doubao can serve as the underlying engine for Codex as a replacement for GPT.81% similarUnverifiedCodex is likewise not limited to GPT models and can be configured with other models as needed.77% similarUnverifiedCodex includes a role definition in the prompt sent to the large model, causing the DeepSeek model to refer to itself as GPT, which is a normal phenomenon.75% similarUnverifiedThe new version of GPT has integrated ChatGPT into the Codex application ecosystem, and opening the new version displays a prompt indicating that GPT has become a Codex application.75% similar
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