# [AI DAILY NEWS RUNDOWN] Kimi K3 Open Weights Drop, Anthropic Launches Opus 5, and Nvidia's $250B Circular Financing (July 28, 2026)

Page: https://stenobird.com/podcast/ai-unraveled/ai-daily-news-rundown-kimi-k3-open-weights-drop-anthropic-launches-opus-5-and-nvidia-s-250b-circular-financing-july-28-2026
Text version: https://stenobird.com/podcast/ai-unraveled/ai-daily-news-rundown-kimi-k3-open-weights-drop-anthropic-launches-opus-5-and-nvidia-s-250b-circular-financing-july-28-2026.md
Podcast: [AI Unraveled: Enterprise Strategy, Agentic Systems & Daily Tech News](https://stenobird.com/podcast/ai-unraveled)
Published: 2026-07-28T21:33:40+00:00
Episode link: https://rss.com/podcasts/djamgatech/3029160
Audio file: https://content.rss.com/episodes/204871/3029160/djamgatech/2026_07_28_21_33_34_c152f9b7-444c-41fa-a133-9b2be65f0224.mp3
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/ai-unraveled/episodes/ai-daily-news-rundown-kimi-k3-open-weights-drop-anthropic-launches-opus-5-and-nvidia-s-250b-circular-financing-july-28-2026
Duration seconds: 940

## Resource

🎧 Listen ADS-FREE: https://podcasts.apple.com/us/channel/djamgamind/id6760446113 Visit our Research Hub at https://djamgamind.com/pdfs Important Topics: Moonshot AI Drops Kimi K3 Open Weights: Moonshot officially publishes the weights, attention kernels, and tech report for its 2.8T parameter model, making it the largest open-weights model in history. US officials accuse Moonshot of model distillation. Anthropic Releases Claude Opus 5: Anthropic launches Opus 5, pricing it at $5/$25 per M tokens while matching Fable 5 intelligence. Opus 5 scored 42/42 on IMO 2026 problems and set a new high of 30.2% on ARC-AGI-3. Anthropic Cuts 80% of System Prompt: Anthropic reveals that upgrading to Claude 5 enabled them to delete 80% of Claude Code's system prompt instructions without any loss on coding evaluations due to improved model judgment. Nvidia's Circular Financing Rattles Wall Street: Reports surface that Nvidia is considering a $250B guarantee for OpenAI’s 10GW Ohio data center and a $350B chip financing package. Credit default swaps on Nvidia bonds hit record highs, dropping its stock 5% and allowing Apple to briefly retake the top market cap spot. 50 Tech Giants Sign Open-Weights Letter: Led by Jensen Huang, 50 companies (including Meta, Microsoft, Google, and OpenAI) urge Washington not to ban open-weights AI. Anthropic stands out as the main holdout among frontier labs. Dario Amodei Clarifies Open-Weights Stance: Anthropic CEO Dario Amodei posts a policy statement stating he does not support a blanket ban on open weights, but calls for strict chip export controls, distillation crackdowns, and mandatory safety testing. Microsoft Launches MAI-Cyber-1-Flash: Integrated into the MDASH agent system, Microsoft releases a specialized cybersecurity model scoring 96% on CyberG…

## Actions

- request_transcript: `POST https://stenobird.com/v1/public/podcasts/ai-unraveled/episodes/ai-daily-news-rundown-kimi-k3-open-weights-drop-anthropic-launches-opus-5-and-nvidia-s-250b-circular-financing-july-28-2026/transcription-requests` — Idempotently request low-priority transcript generation for this episode.
- read_markdown: `GET https://stenobird.com/podcast/ai-unraveled/ai-daily-news-rundown-kimi-k3-open-weights-drop-anthropic-launches-opus-5-and-nvidia-s-250b-circular-financing-july-28-2026.md` — Read the agent-friendly Markdown representation of this episode resource.

A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed.

## Transcript

Full transcripts are not published on public pages unless there is a clear rights basis.