Unverified50% confidenceReleaseExact time
GPT-5.6 upgraded the original Codex desktop application, with the old client renamed "Classic."
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/24/2026
First Seen
Valid until: 10/22/2026
Sources
GPT-5.6发布编码能力跃升，Claude紧急重置额度应战
bilibiliAI天天酱7/11/2026
Related Claims
VerifiedThe Codex desktop client supports selecting the GPT-5.5 model.82% similarUnverifiedThe core foundation of this update is the new frontier model GPT-5.6 (codenamed Sol in the demo), which is open to all users.77% 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.76% similar
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