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Public story · 2026-03-18 · source-backed
Together AI published Mamba-3 as an ICLR 2026 paper — new SSM with complex-valued state transitions beating Mamba-2, Gated DeltaNet, and even Llama-3.2-1B on prefill+decode latency across all sequence lengths. The MIMO variant adds +1.2 points average downstream accuracy on top of the +0.6 from the base architecture. Full open-source release. Together AI
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Xiaomi released MiMo-V2.5-Pro, a 1.02 trillion parameter mixture-of-experts model (42B active) with 1M token context, fully MIT licensed. In benchmarks, it achieves 63.8% success on agentic tasks using 40-60% fewer tokens than Claude Opus 4.6 or GPT-5.4 for comparable results....
Together.ai released Mamba-3 (Apache 2.0, ICLR 2026) — an SSM achieving ~4% better language modeling than the Transformer baseline while running up to 7x faster on long sequences. Key innovations: Exponential-Trapezoidal Discretization, Complex-Valued SSMs with the RoPE Trick,...
Hugging Face published its Summer 2026 State of Open Models report on August 14, and one statistic in it went almost entirely unremarked in the coverage. By July 2026, agents rather than humans became the Hub's primary users. Claude Code alone accounted for 44.4% of all agent...
The NYT reported on July 17 that the June 2026 proposal is structured as monthly installments with an early-exit clause for either side, and would sit alongside Anthropic's existing $45B three-year SpaceX GPU deal from May. Meta fell about 6% intraday before closing down 2%. T...
A report on Zuckerberg's internal AI all-hands, including a meeting reportedly interrupted by an employee, surfaced confusion in Meta's direction (Wired). It adds to a run of stories questioning whether the Llama/superintelligence reorg has a coherent plan. For builders depend...
Meta formally pivoted from open-weight Llama to fully proprietary Muse Spark, its first model from the newly formed Meta Superintelligence Labs. No downloadable weights. No self-hosting. Cloud-only private API preview to select partners. More locked down than OpenAI or Anthrop...
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