Expired85% confidenceFactTime unknown
Copilot CLI can switch to other models such as GPT-5 via the COPILOT_MODEL environment variable.
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedGitHub Copilot CLI supports switching to other models such as GPT-5 via environment variables.85% similarUnverifiedThe CLI tool supports extending model backends through a plugin mechanism, which is the technical foundation for implementing the approach of calling GPT-5.5.73% similarUnverifiedThe underlying model of Copilot CLI has gone through multiple iterations, from OpenAI GPT-4 to Microsoft's self-developed models.72% similarUnverifiedCopilot CLI's default model is Claude Sonnet 4, and users can switch to models such as GPT-5.72% similarUnverifiedBy disguising a CLI tool as a Codex client, local GPT membership authentication (such as a ChatGPT Plus or Pro subscription) can be exploited to call the GPT-5.5 model for free.68% similar
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