Kev 4B TEE
Redpill lists Kev 4B as running on Phala in a TDX-attested TEE (Trusted Execution Environment). NanoGPT does not currently enforce attestation or verify signed receipts for this route. Jared Palmer's Kev 4B scores typed Choice, Score and Noul questions about text or JSON state in one forward pass, returning decisions and probabilities without generating text. Based on Qwen3.5-4B-Base with Apache 2.0 weights, it supports English and an 8,192-token context. Use /v1/decisions or /api/v1/systemone, or a questions response format through Chat Completions, Messages or Responses. Choice and Score support 1–255 options or levels. Input, including cached input, costs $0.042 per million tokens; output usage is free.
Added Oct 13, 2026
Pricing
Auto routing · per 1M tokens- Input
- $0.042
- Output
- Free
Specifications
- Context window
- 8.2K
- Image input
- No
API request
Send your application state and typed questions to POST /api/v1/decisions. Each answer comes back with its probabilities.
{
"model": "jaredpalmer/kev-4b",
"state": "Customer message: I was charged twice for the same order.",
"questions": {
"team": {
"type": "choice",
"instructions": "Which team should handle this message?",
"criteria": {
"billing": "Payments, refunds or invoices",
"technical": "Bugs or errors in the product"
}
}
}
}Decisions API docs Providers
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