Compared on repository metadata · updated 2 November 2026
decider-2b vs Open-Jev-9B
Both are decision models. What separates them is licence, architecture, size and whether anyone has checked the numbers. Only one of those is a matter of opinion.
Side by side
Rows marked with a dot are where the two genuinely differ. Everything here comes from each repository’s own metadata, read on 2 November 2026.
| Dimension | decider-2b | Open-Jev-9B |
|---|---|---|
| Published by | Mapika | ZefanCai |
| Weights | Open | Open |
| Licence | apache-2.0 | apache-2.0 |
| Base model | Qwen/Qwen3.5-2B-Base | Qwen/Qwen3.5-9B |
| Architecture | Decoder | Decoder |
| Parameters | 1.9B | Not disclosed |
| Local formats | Original weights only | Original weights only |
| Measured by us | No | No |
| Attention | 54,359 downloads, 113 likes | 54 likes |
What actually separates them
Neither has been measured by anyone independent
Both are days old and every figure in circulation about either was published by the people who trained it. The table above is what can be checked from repository metadata. Everything else about these two is currently unknown.
Settle it on your traffic
This page narrows the choice to the rows that matter. A private benchmark runs decider-2b and Open-Jev-9B on a frozen set of your own historical decisions and returns accuracy at every coverage level, so you can see which one clears your error budget.
Find out what your data actually supports
We turn your historical decisions into a frozen test set, then tell you which model, which threshold, and how much of it you can safely automate.