GPT-5.5 officially on its way out as OpenAI moves to the next generation
RewardMiserable7487 · reddit · 2026-09-16
GPT-5.5 is officially being retired as OpenAI moves to the next generation of models. The poster, a frequent GPT-5.5 user, notes the bittersweet feeling of model turnover: upgrades drive the field forward, but newer doesn't always mean preferable for every use case — a reminder of the accelerating deprecation cycle for frontier models.
Related event: OpenAI to Retire GPT-5.5 on October 14, Points Users to GPT-6 Astra(2 posts)→
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