Skip to content
AI News HubLIVE
More
Summary only

OpenAI rolls out GPT-5.5 Instant as default ChatGPT model, promises more accurate responses

OpenAI has announced it is replacing ChatGPT's default model with GPT-5.5 Instant, which offers faster responses, shorter answers, and fewer inaccuracies. The model emphasizes factual accuracy and introduces 'memory sources' for transparency about context used in responses.

SourceThe New Stack AIAuthor: Paul Sawers
OpenAI rolls out GPT-5.5 Instant as default ChatGPT model, promises more accurate responses
Report an error

The correction channel is not available yet. You can copy the article reference below for later.

Correction instructions

Summary only

Under the source content permission, this page provides an editorial summary, key points, and a link to the original article.

Key points and analysis

Article intelligence

InvestorsAdvanced

Key points

  • OpenAI releases GPT-5.5 Instant as the default ChatGPT model, focusing on speed and accuracy.
  • The model shows improvements on factuality and reasoning benchmarks like CharXiv and MMMU-Pro.
  • New 'memory sources' feature lets users see and manage context used for personalized responses.
  • GPT-5.5 Instant handles everyday tasks while complex queries are routed to more powerful models.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

More recent stories on this topic · Models