AI Daily · Oct 3, 2026 · Saturday
NVIDIA GPUs accelerate OpenAI GPT-6 Astra Ultrafast
AI summary
GPT-6 Astra Ultrafast runs on NVIDIA Blackwell GPUs and is available to the OpenAI API and eligible ChatGPT Work and Codex users. The same day, NVIDIA announced that the 64GB DGX Spark goes on sale on 23 October, starting at $4,999.
Model releases
Open-sourcing AstaBrief, the fast report-generation model in Asta
We built AstaBrief 8B, a model that turns a research question and retrieved literature excerpts into a cited report. AstaBrief is available in Asta's Generate a report feature today as Fast mode alongside Claude-powered Thinking mode, and we're also open-sourcing it and the training data so other
Product releases
How NVIDIA GPUs Help Accelerate OpenAI’s GPT-6 Astra Ultrafast
GPT-6 Astra Ultrafast, running on NVIDIA Blackwell GPUs, is available now in the OpenAI API and to eligible ChatGPT Work and Codex users. Accelerated by inference optimizations through OpenAI’s models that tap into the capabilities of the NVIDIA Blackwell architecture, Ultrafast offers up to 8x faster token generation than the Astra Standard mode.
NVIDIA DGX Spark 64GB Gives Developers More Ways to Build and Scale Local AI
Local AI is becoming more useful by the token. As AI agents move from experiments into everyday development, increasingly capable open models are shrinking to fit on more devices, giving builders more to run locally.
Research
Toward provably private learning from federated data
In “Toward provably private learning from federated data”, we announce the next generation of our FL system, which leverages Trusted Execution Environments (TEEs) to provide verifiable and auditable guarantees for data anonymization. Gboard has adopted the system to launch next-word prediction models in English and Japanese, with stronger privacy guarantees and improved accuracy.