Source details
- Original source
- Allie K. Miller
- Published
- 2026-07-08
- Primary topic
- Foundation Models
Why it matters
Model launches, benchmark jumps, API upgrades, context window changes, and frontier LLM competition. This item originated as a short-form social post, so the context blocks below help expand it into tools, models, and evaluation guides.
What happened
Finally can share that I have been testing GPT-5.6 early and oooo boy. It is an execution beast. So much so that I think 5.6 is the absolute wrong name considering how big of a leap this felt to me. The OpenAI models have always felt better at ideation and āwork horseāness to me. Thereās a reason several people use Claude Code to āadviseā Codex. When Sonnet 3.7 came out, I think we no longer tolerated bad writing. Having GPT-5.6 and Fable 5 out in the world, I think we will no longer tolerate bad execution or slow bug fixes or unhelpful customer support ā¦or at least tolerate a whole lot less. OpenAI (@OpenAI) GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday. Weāre expanding preview access globally now. ā https://nitter.net/OpenAI/status/2074704958419792299#m
What to do next
Compare the hosted model pages first, then check the related tools and buyer guides before changing workflow standards.
Finally can share that I have been testing GPT-5.6 early and oooo boy. It is an execution beast. So much so that I think 5.6 is the absolute wrong name considering how big of a leap this felt to me. The OpenAI models have always felt better at ideation and āwork horseāness to me. Thereās a reason several people use Claude Code to āadviseā Codex. When Sonnet 3.7 came out, I think we no longer tolerated bad writing. Having GPT-5.6 and Fable 5 out in the world, I think we will no longer tolerate bad execution or slow bug fixes or unhelpful customer support ā¦or at least tolerate a whole lot less. OpenAI (@OpenAI) GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday. Weāre expanding preview access globally now. ā https://nitter.net/OpenAI/status/2074704958419792299#m
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