Originally published on rohitraj.tech
Week 28 of 2026 in AI dev tools: Claude Sonnet 5 does Opus-tier agentic work at $2/M input, Alibaba's page-agent controls any web app from one line of JavaScript, OmniRoute routes 231+ providers and cuts 15-95% of tokens, Ternlight ships a 7MB semantic-search model that runs in the browser, Google's TabFM predicts tabular data zero-shot, and Nvidia squeezes Qwen3.6-27B onto a single consumer GPU with NVFP4.
Read the full version with code samples, diagrams, and architecture details: This Week in AI Dev: The Week Agents Got Cheaper to Run (Week 28 of 2026)
More engineering notes: rohitraj.tech/en/notes
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