Eikos-4B

caiovicentino1Decision modelOpen weights

Eikos-4B by caiovicentino1 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: caiovicentino1
Parameters: 5B
Released: Sep 2026
Open weights: Yes
Question types: Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism: Decoder LM with a decision readout
Backbone: Qwen/Qwen3.5-4B
Jev-compatible request: Yes
Runs on CPU: No
License: mit
Hugging Face: caiovicentino1/Eikos-4B

Benchmarks

PT-BR typed decisions: 60.7

Compare Eikos-4B with…

Eikos-4B vs amos-1-large—/1M in Eikos-4B vs amos-1-medium—/1M in Eikos-4B vs Celeris-1 Decision$0.04/1M in Eikos-4B vs ScaleDown Classify-1$0.04/1M in Eikos-4B vs Cloudflare clef—/1M in Eikos-4B vs Cloudflare clef-flash—/1M in

FAQ

How much does Eikos-4B cost?

Eikos-4B has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can Eikos-4B answer?

Eikos-4B answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is Eikos-4B well calibrated?

No calibration measurement for Eikos-4B is recorded yet.

Is Eikos-4B open weight, and can it run on a CPU?

Yes, Eikos-4B 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.