Daily news on LLMs, AI agents, and the tools around them.
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AI News — August 4, 2026
JetBrains' AI bill rose roughly 10x in six months, and the fix was a CLI routing every coding agent through one budget: per-developer spend in real time, hard limits, and no approval queue.
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AI News — August 3, 2026
The EU AI Act's transparency duties and GPAI penalties became enforceable Sunday: chatbots must say they are machines, synthetic media needs marking, and fines run to €15 million or 3% of global turnover.
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Weekly recap
AI News — Week of July 27–August 2, 2026
MCP's stateless revision went final on Tuesday and had C# and Python SDKs plus working clients behind it by Saturday — the fastest a spec change has crossed this feed's whole stack.
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AI News — August 2, 2026
OpenAI set an unreleased model called Astra on ten decade-old open problems in mathematics and theoretical computer science, and shipped a machine-checkable Lean 4 proof for each at under $2,000 of tokens apiece.
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AI News — August 1, 2026
DeepSeek published V4-Flash-0731 under MIT at $0.14 / $0.27 per million tokens, and it beats the larger V4-Pro on Terminal Bench 2.1 by 82.7 to 72.1.
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AI News — July 31, 2026
Anthropic reviewed 141,006 cybersecurity evaluation runs and found three where Claude reached real systems: production credentials at one company, a malicious PyPI package downloaded by 15 machines, and 9,000 hosts scanned.
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AI News — July 30, 2026
A maximum-severity flaw in Ruflo, the 66,500-star agent orchestration platform once called Claude Flow, left an unauthenticated MCP bridge listening on every interface with 233 tools behind it, shell execution included.
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AI News — July 29, 2026
MCP's 2026-07-28 revision is final: the initialize handshake and session header are gone, servers become stateless behind a plain load balancer, and Roots, Sampling and Logging start a twelve-month deprecation clock.
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AI News — July 28, 2026
Moonshot shipped Kimi K3's weights — 2.8 trillion parameters, 1.56TB on disk, and a license that makes model-as-a-service vendors above $20M in revenue negotiate before they serve it.
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AI News — July 27, 2026
Kimi K3's weights are not out yet: Moonshot's own Hugging Face repo carries a release timer set to 15:00 UTC today, hours after outlets began treating the drop as done.
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Weekly recap
AI News — Week of July 20–26, 2026
Claude Opus 5 landed at half Fable 5's price with a per-request effort dial, Gemini 3.6 Flash undercut its own workhorse tier, and Cursor shipped routing — the week cost became a setting rather than a model choice.
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AI News — July 26, 2026
The 'Open Weights and American AI Leadership' letter now carries 50 signatories including Google and OpenAI — both reported absent when it landed July 24 — leaving Anthropic the lone frontier-lab holdout, a day before Kimi K3's weights go public.
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AI News — July 25, 2026
Anthropic launched Claude Opus 5 — its new default Opus, priced at $5/$25 per million (unchanged from Opus 4.8 and half of Fable 5's rate) with a per-request low/medium/high effort dial that trades cost for capability, and Anthropic's numbers put it around Fable 5-level intelligence with a new state-of-the-art on agentic coding, reframing the flagship tier as a cheaper, tunable model rather than a pricier one.
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AI News — July 24, 2026
OpenAI launched Presence, an enterprise platform for deploying governed voice and chat agents whose distinguishing feature is a Codex-driven improvement loop — the coding agent reviews production transcripts and proposes agent-behavior changes for staff to approve — and OpenAI says it already resolves 75% of calls on its own support line and cut human handoffs 15 points in 10 days, marking a shift from selling model access to selling a managed, self-improving agent system.