jeeves

PostHogDecision modelOpen weights

jeeves by PostHog is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text.

Pricing

No hosted price is listed. The weights are open: the cost is your own compute.

Specifications

Provider: PostHog
Parameters: 9B
Released: Sep 2026
Open weights: Yes
Question types: —
Mechanism: Decoder LM with a decision readout
Backbone: Qwen/Qwen3.5-9B
Jev-compatible request: No
Runs on CPU: No
License: apache-2.0
Hugging Face: PostHog/jeeves

Compare jeeves with…

jeeves vs amos-1-large—/1M in jeeves vs amos-1-medium—/1M in jeeves vs Celeris-1 Decision$0.04/1M in jeeves vs ScaleDown Classify-1$0.04/1M in jeeves vs Cloudflare clef—/1M in jeeves vs Cloudflare clef-flash—/1M in

FAQ

How much does jeeves cost?

jeeves has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can jeeves answer?

jeeves answers typed questions about a piece of text, returning a probability for each allowed answer.

Is jeeves well calibrated?

No calibration measurement for jeeves is recorded yet.

Is jeeves open weight, and can it run on a CPU?

Yes, jeeves has open weights. It needs a GPU to run at useful speed.

Data as of 2026-10-14. Source: Metatext decision-model catalogue, 2026-10-14 (Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.