OpenAI releases GPT-5.6 and ChatGPT Work tool - Axios
Quick Answer
OpenAI has launched GPT-5.6, featuring an 'ultra' mode in Sol for enhanced task efficiency, achieving 54% greater token efficiency on coding tasks.
Quick Take
While some view Anthropic's Fable as more intelligent, GPT-5.6 is considered more reliable for routine applications.
Key Points
- GPT-5.6 includes a new 'ultra' mode for enhanced performance.
- The model is 54% more token efficient on agentic coding tasks.
- OpenAI's release follows a staggered rollout due to government requests.
- GPT-5.6 is seen as more reliable than Anthropic's Fable for regular tasks.
- CEO Sam Altman highlights enterprise concerns over AI spending and value.
Article Excerpt
From source RSS / original summary# OpenAI releases GPT-5. 6 and ChatGPT Work tool. OpenAI on Thursday broadly released GPT-5. 6, after staggering the powerful new model's rollout per a U. S. government request. **Driving the news:** OpenAI is releasing three flavors of GPT-5. 6:. * A new "ultra" mode within Sol allows the system to work even harder on tasks and to delegate work to various submodels.
* CEO Sam Altman told CNBC that Sol is 54% more token efficient on agentic coding tasks, an important stat as "every enterprise now is thinking about spend and the value they're getting in exchange for AI," he said. Some say that they see Anthropic's Fable as having greater raw intelligence, but GPT-5. 6 is viewed as being a more reliable model for regular tasks. **What they're saying:** MagicPath AI CEO Pietro Schirano wrote on X:
Want this in your inbox every morning?
Daily brief at your local 8am — bilingual EN/中文, free.
More from WebSearch (Tavily)
See more →全球AI芯片峰会，9月上海见！
The 2026 Global AI Chip Summit will take place in Shanghai on September 22-23, focusing on the evolving AI chip landscape, including the shift from training to inference, the rise of diverse chip technologies, and the restructuring of industry competition. Notable speakers include experts from leading universities and companies, discussing advancements in AI chip architecture and applications.