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AI Daily Brief — 23 November 2025

Sunday spent in Opus 4.5 pre-launch silence. Claude Opus 4.5 confirmed for Mon Nov 24 (model id claude-opus-4-5-20251101). Claims SOTA on SWE-bench Verified ahead of Gemini 3 Pro and GPT-5.1; new pricing $5/$25 per Mtoken (3× cut from Opus 4.1’s $15/$75); agentic coding and computer-use upgrades; same-day public preview in GitHub Copilot + Microsoft Foundry. Weekly AI roundups frame Nov 17-23 as “pivotal week reshaping the industry”: Gemini 3 (Nov 18) + Microsoft/NVIDIA/Anthropic $45B three-way (Nov 18) + GPT-5.1-Codex-Max (Nov 19) + Olmo 3 (Nov 20) + Nano Banana Pro (Nov 20) + HunyuanVideo-1.5 (Nov 21) — one of densest release weeks of 2025. Quiet Sunday for open-source labs — no major new weights from Mistral, Qwen, DeepSeek, Meta, Cohere. Olmo 3 + HunyuanVideo-1.5 continued community uptake — derivative quantizations + ComfyUI workflows appearing through weekend. Anthropic Claude becomes only frontier model on all 3 major clouds from Mon’s Opus 4.5 launch: AWS Bedrock + Google Cloud Vertex + Microsoft Azure / Foundry. Strategic distribution edge over OpenAI (Azure-only at frontier) + Gemini (Google-only). Nano Banana Pro continues Workspace rollout from Nov 20 launch — Slides + Vids + Gemini app + NotebookLM; 2K/4K + web-grounded image gen + accurate multilingual text rendering.

Top stories

  • Claude Opus 4.5 confirmed for Mon. SOTA SWE-bench Verified ahead of Gemini 3 Pro + GPT-5.1. $5/$25 per Mtoken (3× cut from Opus 4.1). Same-day public preview in Copilot + Foundry. via Anthropic
  • Weekly recaps: Nov 17-23 “pivotal week reshaping the industry”. Gemini 3 + MS/NVIDIA/Anthropic $45B + GPT-5.1-Codex-Max + Olmo 3 + Nano Banana Pro + HunyuanVideo-1.5 = one of densest release weeks of 2025. via Champaign
  • Quiet Sunday open-source. No major new weights from Mistral, Qwen, DeepSeek, Meta, Cohere. via Hugging Face
  • Anthropic Claude becomes only frontier on all 3 major clouds. AWS + GCP + Azure/Foundry from Mon. Strategic distribution edge over OpenAI (Azure-only at frontier) + Gemini (Google-only). via Microsoft
  • Nano Banana Pro continues Workspace rollout. 3 days after Nov 20 launch — Slides + Vids + Gemini app + NotebookLM. 2K/4K + web-grounded + multilingual text. via Google

Who shipped

Nobody Sunday. Anthropic queued for Mon. OpenAI, Google, Meta, xAI, DeepSeek, Alibaba dark.

Open-source pulse

Olmo 3 quantizations + HunyuanVideo-1.5 ComfyUI workflows continued to appear. Per Simon Willison’s later state-of-the-union: “coding agents got good” this week.

Money, infra & hardware

No new rounds. Sunday spent processing the week’s $45B + 1 GW + 3-cloud-Claude reshaping of frontier-lab compute alignment.

Quiet corners

Anthropic + MS + NVIDIA structural reshape — Claude becoming the only frontier on all 3 clouds — sets up Mon’s Opus 4.5 as immediately broadly available distribution.

By the numbers

  • 0 — frontier-lab launches Sunday
  • $5 / $25 / 3× — Opus 4.5 input / output per Mtoken / cut from Opus 4.1
  • 3 — clouds with Claude frontier from Mon (AWS + GCP + Azure)
  • 6 — major Nov 17-23 launches (Gemini 3 + MS/NVIDIA/Anthropic + Codex Max + Olmo 3 + Nano Banana Pro + Hunyuan-1.5)
  • Most-mentioned company: Anthropic
  • Quietest segment: everything

Compiled by AI Feed’s editor from verified web sources for 23 November 2025.