Kev 4B
Kev 4B is Kev 4B is a small open-weight decision model from Jared Palmer, built as a LoRA adapter and pointer head on Qwen3.5-4B-Base and served over the same /v1/systemone contract as TypeSafe's Jev. $0.042 per million input…. It is ranked #4504 on the AI Radar, in AI infra & evals, first seen 41 days ago and shared in 1 post (45.1k views).
Kev 4B - API Pricing & Providers | OpenRouter Benchmarks Chat Pricing Docs Sign Up Sign Up Jared Palmer: Kev 4B jaredpalmer / kev-4b Model weights Compare API Kev 4B is a small open-weight decision model from Jared Palmer, built as a LoRA adapter and pointer head on Qwen3.5-4B-Base and served over the same /v1/systemone contract as TypeSafe's Jev. Send a state and typed questions (yes/no, multiple choice, or score) and it returns a calibrated probability per question in one forward pass, with no generated text. It is the recommended checkpoint in the Kev family (0.8B, 4B, 9B) and is suited for routing, classification, and policy checks that…
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Kev 4B in numbers
- Rank on the AI Radar: #4504 of 10402
- Shared in 1 post by 1 account: @OpenRouter
- 45.1k views on those posts
- First seen 41 days ago, last shared 41 days ago
- Pricing seen by AGK Intelligence: paid
- Market: AI infra & evals
FAQ
What is Kev 4B?
Kev 4B is a small open-weight decision model from Jared Palmer, built as a LoRA adapter and pointer head on Qwen3.5-4B-Base and served over the same /v1/systemone contract as TypeSafe's Jev. $0.042 per million input… It was first shared on X 41 days ago and is ranked #4504 on the AI Radar.
Is Kev 4B free?
It is a paid product.
Who shared Kev 4B?
1 account on X, including @OpenRouter, in 1 post totalling 45.1k views.
Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 65.6k posts from 5k X accounts over the last 14 days, 10.4k tools, 19 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-11-06 15:10 UTC. Full method.