Expired50% confidenceFactExact time
Opus 4.5 in High mode responds significantly faster than GPT-5.2 Codex and supports deep integration with the IDE environment via a VS Code plugin.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
UnverifiedIn coding capability, Grok 4.5 is roughly on par with Opus 4.8 and GPT 5.5, but has the fastest response speed.79% similarVerifiedThe new generation of Codex deeply integrates the capabilities of more advanced models such as GPT-4o, upgrading its positioning from a code completion engine to an autonomous programming agent.78% similarUnverifiedGPT-5.4's Codex has added a Fast mode, which increases speed by 1.5x but consumes double the quota.75% similar
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