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Jev: System One models for Prod, not God — with Diogo Almeida, CEO, TypeSafe AI

Diogo Almeida explains why TypeSafe built Jev as a programmable System 1 model for software rather than another chatbot, and why reliability, calibration, composability, and intelligence per dollar matter more than benchmark scores.
Diogo Almeida traces TypeSafe’s philosophy from his OpenAI work on InstructGPT to Jev, a model designed for code consumption and machine-native software. He argues that RLHF optimized AI for human preferences, while RLCD aims at calibrated, programmable decisions that can remove humans from the loop. Across the conversation, he explains why public benchmarks, giant prompts, refusals, and KV-cache-centered coding agents are poor foundations for dependable automation. Jev’s programming primitives, structured state, decomposition, and use of small measurable decisions are presented as ways to integrate intelligence into software. The discussion also covers dark data, computer use, coding agents, model economics, AI safety, TypeSafe’s data-first culture, and the future of shared-state multi-agent systems.
01:05
01:05
The AI economic revolution is back on the table
03:23
03:23
A new class of models
06:11
06:11
RLHF can erase minority modes
12:02
12:02
Refusals are a type error
20:53
20:53
The right task beats more compute
27:33
27:33
RLCD defines a new direction for AI
30:16
30:16
AI is smart, but not yet connected to the economy
42:23
42:23
Robustness matters more than determinism
51:00
51:00
Jev optimizes for intelligence per dollar
56:00
56:00
Jev introduces a new programming vocabulary
1:01:17
1:01:17
System messages are global variables
1:18:43
1:18:43
AI should disappear into the background
1:34:11
1:34:11
Jev Turns Voice into Computer Control
1:40:10
1:40:10
Jev could make coding agents weird
1:43:52
1:43:52
Pacing debates assume too much
1:49:33
1:49:33
I wouldn't pre-train with a billion dollars
1:58:24
1:58:24
Code, not people, would consume AI APIs
2:02:35
2:02:35
Research needs the right task
2:06:32
2:06:32
Don’t mislead people for the greater good
2:09:25
2:09:25
Free coding agents from the KV cache
2:12:36
2:12:36
The future of agent swarms
2:19:50
2:19:50
More shapes of intelligence