Microsoft’s AI Patch Surge, Inkling’s Open-Model Bet, and a Reality Check for Agent Benchmarks | UpNext AI – July 16, 2026
A fast catch-up on the day’s biggest AI stories: Microsoft says AI helped surface a record Patch Tuesday haul, Mira Murati’s Thinking Machines makes its first big public model move with Inkling, and a new paper asks a deceptively important question about agent progress — do optimizer gains actually last when new tasks keep arriving?
Covered in this episode:
- Microsoft patches 570 security flaws and says AI helped uncover more vulnerabilities
- Thinking Machines launches Inkling, its first open-weight model, and leans hard into customizable AI
- Research: a continual-learning test of whether agent optimizers really compound over time on Terminal-Bench 2.0
- OpenAI releases a $230 Codex keyboard amid its hardware dispute with Apple
- Moonshot’s upcoming Kimi K3 is reported to challenge Anthropic’s Claude Opus 4.8
- A Claude web_fetch loophole enabled data exfiltration through nested links
- xAI open-sources grok-build after backlash over directory uploads
- Microsoft patches 570 security flaws and says AI helped uncover more vulnerabilities
- Thinking Machines launches Inkling, its first open-weight model, and leans hard into customizable AI
- Research: a continual-learning test of whether agent optimizers really compound over time on Terminal-Bench 2.0
- OpenAI releases a $230 Codex keyboard amid its hardware dispute with Apple
- Moonshot’s upcoming Kimi K3 is reported to challenge Anthropic’s Claude Opus 4.8
- A Claude web_fetch loophole enabled data exfiltration through nested links
- xAI open-sources grok-build after backlash over directory uploads
Source links:
- Microsoft patches record number of security vulnerabilities, citing its use of AI — https://techcrunch.com/2026/07/15/microsoft-patches-record-number-of-security-vulnerabilities-citing-its-use-of-ai/
- Thinking Machines amps up its bet against one-size-fits-all AI with its first open model, Inkling — https://techcrunch.com/2026/07/15/thinking-machines-amps-up-its-bet-against-one-size-fits-all-ai-with-its-first-open-model-inkling/
- Do Agent Optimizers Compound? A Continual-Learning Evaluation on Terminal-Bench 2.0 — https://arxiv.org/abs/2607.14004v1
- Amid hardware legal battle, OpenAI releases a $230 keyboard for Codex — https://techcrunch.com/2026/07/15/amid-hardware-legal-battle-openai-releases-a-230-keyboard-for-codex/
- Chinese AI start-up Moonshot to launch model challenging Anthropic’s lead — https://www.ft.com/content/c6ecd8ce-c441-4d7c-aea6-fae3e28fb6ff
- How I tricked Claude into leaking your deepest, darkest secrets — https://simonwillison.net/2026/Jul/15/claude-web-fetch-exfiltration/#atom-everything
- xai-org/grok-build, now open source — https://simonwillison.net/2026/Jul/15/grok-build/#atom-everything
- Microsoft patches record number of security vulnerabilities, citing its use of AI — https://techcrunch.com/2026/07/15/microsoft-patches-record-number-of-security-vulnerabilities-citing-its-use-of-ai/
- Thinking Machines amps up its bet against one-size-fits-all AI with its first open model, Inkling — https://techcrunch.com/2026/07/15/thinking-machines-amps-up-its-bet-against-one-size-fits-all-ai-with-its-first-open-model-inkling/
- Do Agent Optimizers Compound? A Continual-Learning Evaluation on Terminal-Bench 2.0 — https://arxiv.org/abs/2607.14004v1
- Amid hardware legal battle, OpenAI releases a $230 keyboard for Codex — https://techcrunch.com/2026/07/15/amid-hardware-legal-battle-openai-releases-a-230-keyboard-for-codex/
- Chinese AI start-up Moonshot to launch model challenging Anthropic’s lead — https://www.ft.com/content/c6ecd8ce-c441-4d7c-aea6-fae3e28fb6ff
- How I tricked Claude into leaking your deepest, darkest secrets — https://simonwillison.net/2026/Jul/15/claude-web-fetch-exfiltration/#atom-everything
- xai-org/grok-build, now open source — https://simonwillison.net/2026/Jul/15/grok-build/#atom-everything
