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Models2026-09-16 · source-backed
Prior Labs, acquired by SAP in July, released 3.5 claiming #1 on BeyondArena and handling up to 1M rows natively at 0.5s inference per 1k rows (0.17s for the Fast variant). SAP announced TabPFN-3.5-Plus in SAP AI Core the same week, a text-aware variant ranking second behind 3.5-Thinking on STRABLE, a 108-dataset messy-string benchmark. The pitch is unchanged: in-context learning on raw tabular data with no training or preprocessing.
Each link below shares sources, entities, or timing with this story.
Three Apache-2.0 pieces (arXiv 2608.16319): RelArena-α standardizing data loading, evaluation, and tuning for RelBench v1's 21 entity-level forecasting tasks; TabPFN-Rel, a relational harness for TabPFN-3 improving on RDBLearn via deep feature synthesis with per-task join dept...
MAI-Cyber-1-Flash and Project Perception launched July 27. The model, a code-tuned derivative of MAI-Thinking-1 trained on Microsoft's own exploit and remediation records, scored 96% on CyberGym (Microsoft says 12 points above Anthropic's Mythos) and runs inside MDASH at 50% t...
If you wrote an MCP server before July, it's on a protocol shape the maintainers have already removed. Not deprecated-with-a-migration-window. Removed from the spec. MCP lead maintainers David Soria Parra and Den Delimarsky published an updated roadmap on August 22, and the re...
Simon Willison mapped them: Microsoft's "Open Weights and American AI Leadership" (July 24, 235 companies including NVIDIA, Amazon, Y Combinator and the Linux Foundation, with OpenAI signing later, explicitly endorsing distillation as legitimate); Anthropic's "Our Position on...
Willison's August 2 roundup lays out "Open Weights and American AI Leadership" (July 24, Microsoft-shepherded, now 235 signatory companies including NVIDIA, Amazon, Y Combinator, the Linux Foundation, and OpenAI after initially abstaining); Anthropic's separate July 27 rebutta...
Anthropic remains the only leading frontier lab that hasn't signed the Open Secure AI Alliance letter backed by Meta, Nvidia, OpenAI, Google, Microsoft, and SpaceX. Amodei's counter is that Anthropic never sought a ban and would instead restrict advanced chips to authoritarian...
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