Expired45% confidenceFactTime unknown
GPT-5.4 fully inherits the programming capabilities of GPT-5.3-Codex, so users no longer need to switch between reasoning models and coding models.
1
Sources
45%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedGPT-5 strictly executes prompts when programming and does not perform creative additional development.80% similarUnverifiedGPT-5.1 Pro is a heavyweight reasoning model available only on the ChatGPT website, while GPT-5.1 Codex Max focuses on long-running agentic coding tasks.79% similarVerifiedThe Codex desktop client supports selecting the GPT-5.5 model.78% similar
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