NVIDIA Swaps Harness, Lifts AI Agent Score from 30% to 100%
Custom harness on Claude Opus 5 hits perfect score on ARC-AGI-3 — the scaffolding, not the model, made the difference
The company behind ChatGPT and the GPT family of models. It sparked the current AI boom with ChatGPT's launch in 2022. As of August 2026, its flagship model lineup is GPT-5.6, with an improved Sol for paying users and Luna assigned to free users. Around the same time, it released a new model called Astra, which came with warnings about potentially catastrophic cyber capabilities. The company also published an agent plugin standard together with AWS, Cursor, GitHub Copilot, and others. It unveiled a GPT-Live design for seamless voice conversations, and announced plans for a smart speaker slated for release in 2027.
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Custom harness on Claude Opus 5 hits perfect score on ARC-AGI-3 — the scaffolding, not the model, made the difference
Waveguide glasses with no speaker or camera that only display text, with a subscription adding ChatGPT and Gemini on top
The 30-day retention requirement stays, but storage location shifts from Anthropic's servers to customers' own cloud
Even after silencing unspoken numbers, some models still transcribed them correctly 30-40% of the time
API and credit prices drop citing efficiency gains, fixed-plan subscription usage unchanged
API key filters added to the Usage/Spend dashboard let developers see exactly which app is spending how much
Developer undisclosed, offers 1M-token context for coding and agent work
Code editor Cursor has opened a plugin repository on GitHub that connects agents to email, calendar and CRM work tools
Hundreds of pages of supporting documents released, but a key attribution line was quietly edited — mathematicians are divided
Benchmarks its own models against OpenAI's while quietly building a competing service
Numerous researchers report losing access to Daybreak Blue, a special vulnerability-reporting program; OpenAI attributes it to a technical glitch
New plugin can search texts, draft and send replies; OpenAI addresses privacy concerns by saying it runs locally