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MONDAY, 5 OCTOBER 20261,910 channels on the wireFree edition

AI & Tools desk — breakout report

Building a Harness with Jev

LangChain's upload has reached 244.8K views — about 99.1× the ≈2.5K this channel typically draws at the same age.

Key facts

  • •99.1x LangChain's own 90-day median — this channel normally draws about 2.5K views at the same age.
  • •244.8K views so far, published 14 days ago.
  • •Category: Science & Technology · Language: en · Quality: HD · Captions: yes
  • •"Breakout" is measured against this exact channel's trailing 90-day median at matching video age — not a generic niche average.

Updated 2026-09-21 22:30 UTC

Video thumbnail: Building a Harness with Jev
Watch on YouTube ↗ · LangChain · 207K subscribers

View trajectory

Views this upload has gathered since it published, last measured about 168h in — from our own tracking.

0h 7d after publish 244.8K views

Published Sep 21, 2026 · 14 days ago. How breakouts are measured →

From the creator

Learn all about Jev, a new System One model from TypeSafe AI, and how you can use it in your agent harness. Jev is up to 200x faster and 400x cheaper than LLMs on classification style tasks, which makes it great for applications like model routing and "jev as a judge" online evals. Chapters: 0:00 Building a harness…

Category: Science & Technology · Language: en · Quality: HD · Captions: yes

Topics: Knowledge · Technology

Tags: Jev, TypeSafe AI, LangChain, System 1 model, AI agents, agent harness, structured outputs, tool calling, model routing, auto mode, LLM as judge, online evals

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