As Claude 5.5 wins users back, Reddit waits to see if OpenAI DevDay delivers

Miyamoto_-_Musashi · reddit · 2026-09-29

A Reddit post notes Anthropic's Opus 5.5 and Sonnet 5.5 have pulled users back to Claude, and the author's Codex renewal now hinges on what OpenAI shows at DevDay. The sentiment: expect something big from OpenAI to go toe-to-toe with Anthropic as the rivalry heats up.

Related event: Rumor: Anthropic ships Opus 5.5 and Sonnet 5.5 right before OpenAI DevDay(7 posts)→

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