AI Development

OpenAI releases GPT-5.3 Instant with reduced hallucinations

March 6, 2026 · High importance · model

The update improves ChatGPT's response quality by reducing hallucinations by up to 26.8% and minimizing unnecessary refusals or disclaimers. It enhances conversational tone and relevance for broader user applications. This iteration advances AI reliability amid competitive pressures from rivals like Anthropic.

Date
March 6, 2026
Importance
High 4/5
Category
model
Axis of Change
Capability Gain
Organizations
OpenAI
Models Affected
GPT-5.3 Instant
  1. 01 indianexpress.com