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AI Daily Brief — 8 December 2025

Monday packed three structural shifts. OpenAI bumped Sora 2 model snapshot to sora-2-2025-12-08 — replacing prior sora-2-2025-10-06 build via API. NextEra + Google Cloud unveiled landmark multi-GW data-center partnership across US (3 initial sites + more under evaluation) — pairing largest US renewable developer with Google’s cloud demand. NextEra also adopts Google’s TimesFM 2.5 + WeatherNext 2 internally for grid forecasting. Microsoft enables Anthropic-as-subprocessor toggle in M365 admin center — On by default most commercial tenants, Off by default EU/EFTA/UK. First time Claude formally inside M365 enterprise compliance boundary. Unconventional AI surfaces with $475M seed at $4.5B — Naveen Rao (ex-Databricks AI head) neuromorphic/analog computing; a16z + Lightspeed co-lead, with Lux Capital + DCVC + Databricks + Jeff Bezos. Rao put $10M of own money. Bloomberg broke Dec 8; company confirmed next day. Goal: up to $1B total. Authors’ lawyers in Bartz v. Anthropic file for $300M attorney-fee award (~20% of $1.5B settlement fund) + $50K service awards per named plaintiff. Largest US copyright settlement to date enters fee-award stage. (Later revised down to $187.5M.) Mirendil emerges with $200M seed at $1B — ex-Anthropic Behnam Neyshabur + Harsh Mehta (left only weeks earlier) — one of AI’s largest-ever seeds. Building AI systems that automate AI research. Hugging Face AI Energy Score adds reasoning models — finds latest-gen reasoners use 30× average and up to 700× more energy than non-reasoning peers. Mistral Large 3 momentum — Apache 2.0 MoE 675B/41B-active + 256K + 200+ languages picked up in banking + telecom + defense + government deployments per industry coverage week of Dec 8.

Top stories

  • OpenAI ships Sora 2 snapshot bump (sora-2-2025-12-08). Replaces prior sora-2-2025-10-06 API alias. via OpenAI Changelog
  • NextEra + Google Cloud multi-GW DC partnership. 3 initial sites + more under evaluation. NextEra adopts TimesFM 2.5 + WeatherNext 2 for grid forecasting. via NextEra
  • Microsoft enables Anthropic-as-subprocessor M365 admin toggle. On default commercial / Off default EU/EFTA/UK. First time Claude formally inside M365 enterprise compliance boundary. via Microsoft Learn
  • Unconventional AI confirms $475M seed at $4.5B. Naveen Rao (ex-Databricks AI head). a16z + Lightspeed co-lead with Lux + DCVC + Databricks + Bezos. Rao $10M own money. Target up to $1B total. via Bloomberg
  • Bartz authors’ counsel file $300M fee motion. ~20% of $1.5B Anthropic settlement + $50K service awards per named plaintiff. Largest US copyright settlement enters fee stage (later revised to $187.5M). via Bloomberg Law
  • Mirendil $200M seed at $1B. Ex-Anthropic Neyshabur + Mehta (left weeks earlier). AI systems automating AI research. One of AI’s largest-ever seeds. via Tech Funding News
  • HF AI Energy Score: reasoning models use 30× avg, up to 700× more energy. Major update to AI Energy Score covering reasoners; 5-star rating. via Singularity Hub
  • Mistral Large 3 momentum: banking + telecom + defense + government deployments. Apache 2.0 MoE 675B/41B-active + 256K + 200+ languages. via IntuitionLabs
  • Microsoft Convergence 2025 opens (Dec 9-12). Product Change Management Agent Template on Copilot Studio + agentic Dynamics 365 / Microsoft Cloud rollouts cutting manufacturing approval cycles weeks → days. via Microsoft

Who shipped

OpenAI shipped Sora 2 snapshot. Google + NextEra shipped GW partnership. Microsoft shipped Anthropic subprocessor toggle. Unconventional AI + Mirendil shipped megaseeds. Anthropic (via Bartz fee motion) defined fee-stage costs.

Open-source pulse

Mistral Large 3 enterprise penetration accelerating. HF AI Energy Score’s reasoner finding (30-700× more energy than non-reasoning) is structural sustainability signal.

Money, infra & hardware

Unconventional AI + Mirendil = $675M into seed-stage AI infrastructure + research. NextEra + Google multi-GW signals renewables-into-AI compute alignment maturing.

Quiet corners

Microsoft’s Anthropic-subprocessor toggle is the substantive enterprise compliance moment — first time a frontier-lab competitor formally inside Microsoft’s M365 trust boundary.

By the numbers

  • $475M / $4.5B / $1B — Unconventional AI seed / post-money / target total
  • $200M / $1B — Mirendil seed / post-money
  • $300M / 20% — Bartz authors’ fee motion / share of $1.5B fund
  • 30× / 700× — HF reasoning energy multiplier avg / max
  • 3 — initial NextEra + Google sites
  • Most-mentioned company: Unconventional AI
  • Quietest segment: Chinese open-source

Compiled by AI Feed’s editor from verified web sources for 8 December 2025.