Matt Silverman

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March 16, 2026

Silv's AI weekly: Claude 1M context, Chrome browser agents, Mistral Small 4

Hey — here's this week's AI roundup from silv.blog.

Curated from ~110 tweets liked by @mattsilv, Mar 8 – Mar 16:

AI for Everyone

Anthropic dropped the 1M context surcharge. Opus 4.6 and Sonnet 4.6 now handle million-token inputs at standard pricing. Read more →

A tech guy in Australia used ChatGPT and AlphaFold to build a custom mRNA cancer vaccine for his dog. No bio degree. The dog survived. Read more →

Perplexity Computer expanded to all Pro subscribers and launched on iOS. The "Final Pass" doc review feature runs 5 parallel reviews. Read more →

Niantic disclosed that Pokemon Go players built a 30 billion image dataset now training delivery robot navigation AI. Read more →

A humanoid robot learned tennis from 5 hours of motion capture data. 90% accuracy, 15 m/s ball speed. Read more →

An AI swarm model made $1.49M on Polymarket betting NBA games. The tool (MiroFish) is open source. Read more →

Karpathy published an interactive AI job exposure map covering 342 BLS occupations. Read more →

AI for Developers

Chrome 146 ships native browser agent control. One toggle, and Claude Code can drive your real browser session with your actual logins. Read more →

Anthropic is doubling Claude usage limits off-peak and all weekend through March 27. Nothing to turn on. Read more →

Manus went local. Download, throw a messy folder at it, and see if local agents are actually ready. Mac and Windows. Read more →

Claude Code 2.1.76: MCP servers can now pause mid-task and ask for your input via forms. Also: voice mode, phone-to-laptop sessions. Read more →

agent-browser rewrote in Rust: 18x less memory, 99x smaller binary. Read more →

OpenSquirrel flips the editor model — agents first, files second. Built on Zed's GPUI framework. Read more →

Honorable Mentions

  • Mistral Small 4 — 119B params, Apache 2.0, configurable reasoning. Plus a Mistral x NVIDIA partnership.
  • Codex subagents — Parallel sub-agents in Codex. Same pattern Claude Code uses.
  • GPT-5.4 at 5T tokens/day — More volume in one week than OpenAI's entire API a year ago.
  • NVIDIA Vera Rubin Space-1 — Orbital data centers, announced at GTC.
  • Grok TTS API — Five voices, available now.
  • Context7 CLI — Current library docs in your AI context window.
  • Cloudflare /crawl — One API call crawls an entire site. HTML, Markdown, or JSON.

Read the full post with all sources and links

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