Jev vs Claude: A Measured Guide
Bruno Gonçalves
PhD physicist, author, ex-professor.
Learn Jev end to end. Then prove, task by task, where it beats Claude… or not.
Jev arrived on OpenRouter on September 18, 2026. It is not a chat model. It takes a JSON state and typed questions and returns calibrated probabilities in about 100 milliseconds, for $0.042 per million input tokens with output free. TypeSafe claims it is 193x faster and 445x cheaper than frontier models on routing, scoring, and verification. Nobody outside TypeSafe has reproduced those numbers.
So do you move your classification, gating, and judging traffic off Claude? You do not guess. You measure. In six hours you will learn Jev from the first call to production thresholds, build a paired bakeoff harness, and run it against Claude Opus 5.5 on routing, scoring, judging, and agent gating. Every result carries a confidence interval, a latency, and a cost per million decisions. You leave with the harness, the numbers, and an eleven-question decision guide that names the right model for any task you bring.
What you’ll learn
Master Jev end to end, the pros and the cons.
Fan out a dozen questions in one round trip
Replace a chain of LLM calls with one
Bootstrap confidence intervals and McNemar's test
Determine if a gap is real or not before you switch
Claude writes and Jev verifies
Judge costs without cutting quality.
Prove recall on unsafe actions, including adversarial ones
Run agents with measured safety nets.
Learn directly from Bruno
Bruno Gonçalves
PhD physicist and corporate trainer.
Who this course is for
AI engineers paying frontier prices for yes/no answers
Tech leads who own an agent
Data scientists moving into LLM work
What's included
Live sessions
Learn directly from Bruno Gonçalves in a real-time, interactive format.
Lifetime access
Go back to course content and recordings whenever you need to.
Community of peers
Stay accountable and share insights with like-minded professionals.
Certificate of completion
Share your new skills with your employer or on LinkedIn.
Maven Guarantee
Your purchase is backed by the Maven Guarantee.
Course syllabus
Week 1
Two Kinds of Model
Jev End to End
The Harness-Lite and the Claude Baseline
Calibration and Thresholds
Jev as Judge
Gating Agent Actions
Where Claude Wins, and the Decision Function
Your Own Data, Pinned and Monitored
Free resources
Schedule
Live sessions
4 hrs
Projects
1 hr
Frequently asked questions
Maven for Teams
Reimbursement
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Everything L&D needs: email template, receipts, and certificate of completion.
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A dedicated cohort with a custom schedule and curriculum, tailored to your team.
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USD