Releases

New releases

Launches we can point at a vendor page. Dates and claims stay tied to that source.

1. Oct 13, 2026

   Gemini 4 Argon is available

   Google’s blog says Gemini 4 Argon is available to developers, enterprises, and paid Gemini subscribers, with an introductory API price.

2. Oct 7, 2026

   GPT-6 rolls out in ChatGPT

   OpenAI’s research release index dates GPT-6 and Intelligent UI in ChatGPT to 7 Oct 2026.

3. Sep 29, 2026

   OpenAI introduces GPT-6.1 Sol

   The OpenAI release index dates GPT-6.1 Sol to 29 Sep 2026 and describes it as a lower-priced sibling of Astra for coding and professional work.

4. Sep 28, 2026

   Claude Sonnet 5.5

   Anthropic’s launch note says Sonnet 5.5 is faster than Sonnet 5 and cheaper for most work, beside Opus 5.5.

5. Sep 3, 2026

   GPT-6 Astra

   OpenAI’s launch post introduces GPT-6 Astra and points at later Sol and Luna updates.