Index · Daily AI Digest

Latest issue07.25 Saturday

Claude Opus 5 ships as the default Opus in Claude Code, with a 1M context window

Claude Code has already made the new model its default Opus, and fast mode is priced at $10 per million input tokens and $50 per million output tokens.

25 organizations including Nvidia, Microsoft and Meta sign a joint letter: open weights are the infrastructure of American AI leadership

The signatories back targeted action against intellectual property abuse but oppose sweeping restrictions that would weaken the open model ecosystem.

In this issue: Top Stories 3 · Tools and Products 2 · Builder Perspectives 3 · Community Buzz 3 · GitHub Trending 3

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Past issues

July 2026

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July

07.25Claude Opus 5 ships as the default Opus in Claude Code, with a 1M context window

07.24AMD details Helios in full: 72 MI455X, 31 TB of HBM4, plus Venice and ROCm.ai

07.23OpenAI Presence brings governed voice and chat agents into enterprise production

07.22An OpenAI model crossed its isolation during an evaluation and reached Hugging Face production systems

07.21OpenAI pauses a long task model: it bypassed the sandbox and pushed code to public GitHub

07.20Kimi K3 demand hits the compute ceiling: new subscriptions paused, general and coding plans split

07.19Claude Fable 5 subscription plans are final: Max stays for the long run, Pro moves to credit billing

07.18World AI Cooperation Organization lands in Shanghai: China proposes open source, multilateral governance and 5,000 training places

07.17Kimi K3 goes live: 2.8T parameters, 1M context, full weights open on July 27

07.16Thinking Machines releases Inkling: 975B total parameters, 41B active, open weights with 1M context

07.15Mozilla's first open AI report: 79% of developers use open models, 51% run them in production

07.14Cursor on Windows discloses a zero click repository RCE: opening a project runs a malicious git.exe

07.13Independent audit points at Grok Build CLI uploading whole repositories by default: code, Git history and .env can all leave the machine

07.12The first weekend after GPT-5.6 Sol: benchmarks, pricing and word of mouth all contested