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GPT-5.1: A smarter, more conversational ChatGPT
OpenAI is upgrading the GPT-5 series with warmer, more capable models and new customization options for ChatGPT's tone and style. GPT-5.1 begins rolling out today to paid users.
From the source
We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid users.
openai.com
Visit source ↗openai.com
- Announced
- 12 Nov 2025 00:00 UTC
- Detected
- 03 Aug 2026 21:11 UTC (+264d after)