← Back to all news
OpenAI Blog March 3, 2026

GPT-5.3 Instant: Smoother, more useful everyday conversations

Read the original on OpenAI Blog →

The Flow has not summarised this story yet — read it at OpenAI Blog.

  • llms

Related stories

OpenAI Blog
May 5

GPT-5.5 Instant: smarter, clearer, and more personalized

GPT-5. 5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.

llmssafety
More like this →
OpenAI Blog
Nov 12, 2025

GPT-5.1: A smarter, more conversational ChatGPT

We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.

llms
More like this →
OpenAI Blog
Dec 11, 2025

Introducing GPT-5.2

GPT-5. 2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision.

llmsagentsbenchmarks
More like this →
OpenAI Blog
Aug 6

Improving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free users

ChatGPT introduces improved GPT-5. 6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.

llms
More like this →
OpenAI Blog
Oct 27, 2025

Addendum to GPT-5 System Card: Sensitive conversations

This system card details GPT-5’s improvements in handling sensitive conversations, including new benchmarks for emotional reliance, mental health, and jailbreak resistance.

llmsbenchmarkssafety
More like this →
OpenAI Blog
Feb 12

Introducing GPT-5.3-Codex-Spark

Introducing GPT-5. 3-Codex-Spark—our first real-time coding model.

llmsdata-engineering
More like this →