# Decider vs Drex 1.5 (slim)

> Drex 1.5 and Decider score within a point of each other for decision models, 69.7 and 69.5 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/decider-vs-nace-drex.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/decider-vs-nace-drex.json · canonical https://www.anchorterminal.com/compare/decider-vs-nace-drex
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-10

Drex 1.5 and Decider score within a point of each other on agent readiness, 69.7 (B) and 69.5 (B). Decider leads on reliability, payments & pricing and maintenance & community. Both do decision models.

- Decider: B 69.5, rank #181 of 954 · https://www.anchorterminal.com/tools/decider.min.md
- Drex 1.5: B 69.7, rank #172 of 954 · https://www.anchorterminal.com/tools/nace-drex.min.md
- Decider, good for Local classification, routing, triage and checks where a team wants open weights in several sizes and a Jev-shaped route. Ahead on Reliability, 90 against 80; Payments & pricing, 60 against 40; Maintenance & community, 87 against 65. Also No key needed to call it; Open source.
- Drex 1.5, good for Routing, triage and yes or no gates inside an agent, where the caller supplies the options and acts on the probabilities. Suited to hosted use at a low per-token price, or to open weights where the licence fits. Ahead on Schema & documentation, 88 against 78; Agent ergonomics, 85 against 80; Security & auth, 65 against 38; Transparency & trust, 63 against 46. Also A hosted endpoint, with nothing to install.

| Category | Decider | Drex 1.5 |
| --- | --- | --- |
| Reliability (16%) | 90 | 80 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 78 | 88 |
| Agent ergonomics (13%) | 80 | 85 |
| Security & auth (14%) | 38 | 65 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 65 |
| Transparency & trust (7%) | 46 | 63 |

| Fact (where they differ) | Decider | Drex 1.5 |
| --- | --- | --- |
| Vendor | Mark Marosi (Mapika) | Nace AI, Inc. (Nace.AI) |
| Hosted endpoint | no (local only) | `https://console.nace.ai/v1/systemone` |
| Auth | None | API key |
| Pricing | Free | Freemium |
| Licence | Apache-2.0 (code and weights) | Hosted API under the Nace AI Terms of Service, last updated 5 May 2026. Weights under the Nace AI Open RAIL-M licence (modified, version 1.0, October 2026), which is not an open-source licence. Businesses above $1 million in revenue or funding need a separate commercial licence, and competing products are excluded. The bundled code/kev package, derived from Jared Palmer's Kev (https://github.com/jaredpalmer/kev), and the GitHub repository are Apache-2.0, and the agent skill is MIT. |
| llms.txt | no | yes |
| Last release | 2026-10-07 | 2026-09-28 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 1.1k stars, 2.7k PyPI/wk | 318 npm/wk, 156 PyPI/wk |