Models

OpenAI releases GPT-5.5 Instant as the new default model for ChatGPT

First source report 05 May 2026Latest development 05 May 20261 source link

OpenAI has released GPT-5.5 Instant and made it the new default model for ChatGPT, according to TechCrunch. The company says the model keeps the low latency of its predecessor while reducing hallucinations in sensitive domains including law, medicine, and finance.

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2026-05-05
OpenAI releases GPT-5.5 Instant, a new default model for ChatGPTTechCrunch