AI Daily｜OpenAI Terminates Cursor Partnership; Sony & Warner Sue Anthropic Over Copyright; MiniMax H3 Max Video Model Released

AI Daily｜OpenAI Terminates Cursor Partnership; Sony & Warner Sue Anthropic Over Copyright; MiniMax H3 Max Video Model Released

Model Releases & Updates

H3 Max — MiniMax / fal

• TL;DR: MiniMax’s open-weights H3 multimodal base model has been optimized by fal into H3 Max, delivering super-real-time, high-fidelity video generation.
• Key Highlights:
  • Achieves faster-than-real-time video generation speeds while maintaining state-of-the-art visual quality.
  • Successfully integrated into real-world applications, powering community setups like live Twitch streaming and complex multi-frame animations.
• Specs: Open weights / Multimodal video generation / Optimized inference infrastructure
• Links: MiniMax X Announcement

Product Releases & Updates

Custom Agents API & Workspace Enhancements — Notion

• What’s New: Notion has rolled out its Custom Agents API into public beta alongside several workspace productivity updates, allowing developers to embed custom agents into external pipelines such as Slack bots, internal dashboards, and customer help centers.
• Who It’s For: Developers, knowledge workers, and enterprise teams building workflow automations.
• Try It:

  7️⃣ Custom Agents API is now in public beta
  
  You can bring Custom Agents into other tools and workflows with the Notion Agent APIs. Build a Slack bot, an internal dashboard, a customer help center, or anything else that needs an agent outside the Notion workspace. pic.twitter.com/Ozc8PQWntl

  — Notion (@NotionHQ) August 29, 2026

Industry News

OpenAI Terminates Partnership with Cursor Following SpaceX Acquisition

• What Happened: OpenAI officially announced it is ending its partnership with AI code editor Cursor following its recent acquisition by SpaceX, setting a November 12 deadline for the termination of direct model access.
• Why It Matters: Highlights the intensifying strategic tensions between foundational model labs and application-layer software harnesses, prompting developers to rely more heavily on multi-model routing and independent infrastructure.
• Source:

  We’re ending our partnership with Cursor following its acquisition by SpaceX. Under our proposal, Cursor’s direct access to our models would end on November 12.
  
  We know that the people most affected by this decision are the developers who rely on OpenAI models in Cursor. We care…

  — OpenAI (@OpenAI) August 29, 2026

Sony Music and Warner Chappell Sue Anthropic Over Copyright Infringement

• What Happened: Major music publishers including Sony Music and Warner Chappell filed a multi-billion dollar copyright lawsuit against Anthropic in the U.S. District Court for the Northern District of California, alleging widespread, unauthorized ingestion of protected works for model training.
• Why It Matters: Marks another major legal confrontation over fair use, data provenance, and statutory damages in generative AI, raising the legal stakes for frontier labs scaling their training corpora.
• Source: TechCrunch Coverage

Research Papers

Gemini Co-Scientist: Multi-Disciplinary Scientific Discovery — Google DeepMind

• Motivation: Investigating how frontier multimodal models can assist human researchers in complex experimental design, hypothesis generation, and execution across materials science, biology, and computer science.
• Key Innovation: Deployed automated reasoning loops that successfully synthesized atomic-thin semiconductors on first attempts and accurately predicted complex biological growth patterns.
• Results: Drastically reduced fabricated results in AI-written technical literature from 90% down to 4% while independently optimizing medical and scientific workflows.
• Paper: Phil Schmid Research Summary

Other Highlights

fx.sh v0.0.7: Native MCP Support for CLI Agents

• Overview: Guillermo Rauch released fx.sh v0.0.7, featuring native Model Context Protocol (MCP) support, project-level configurations, and cleaner terminal session transcripts optimized for autonomous CLI coding agents.
• Link:

  https://t.co/3Z4NESzNKd 0.0.7:
  
  - hugely improved MCP support, eval'd with top MCPs like @context7ai, @datadoghq, @mongodb, @linear, @notionhq, @supabase, @neondatabase, @stagehanddev, @usekernel…
  
  - more minimalist: fewer tools and improved shell execution. One of the… https://t.co/OqbD1wBY06

  — Guillermo Rauch (@rauchg) August 29, 2026