# Drex 1.5 vs Jev (slim)

> Drex 1.5 scores 69.7 (B) to Jev's 62.1 (B) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/nace-drex-vs-typesafe-jev.md (~2,450 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/nace-drex-vs-typesafe-jev.json · canonical https://www.anchorterminal.com/compare/nace-drex-vs-typesafe-jev
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-10

Drex 1.5 scores 69.7 (B) on agent readiness against Jev's 62.1 (B), and leads in every scored category. Both do decision models.

- Drex 1.5: B 69.7, rank #172 of 954 · https://www.anchorterminal.com/tools/nace-drex.min.md
- Jev: B 62.1, rank #443 of 954 · https://www.anchorterminal.com/tools/typesafe-jev.min.md
- 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 Reliability, 80 against 60; Security & auth, 65 against 53; Payments & pricing, 40 against 20; Transparency & trust, 63 against 56.
- Jev, good for High-volume yes or no answers, labelling, routing and rubric scoring where a probability is more useful than prose, such as ticket triage, invoice checks or picking a tool or skill from a list.

| Category | Drex 1.5 | Jev |
| --- | --- | --- |
| Reliability (16%) | 80 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 87 |
| Agent ergonomics (13%) | 85 | 84 |
| Security & auth (14%) | 65 | 53 |
| Payments & pricing (10%) | 40 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 64 |
| Transparency & trust (7%) | 63 | 56 |

| Fact (where they differ) | Drex 1.5 | Jev |
| --- | --- | --- |
| Vendor | Nace AI, Inc. (Nace.AI) | TypeSafe AI |
| Hosted endpoint | `https://console.nace.ai/v1/systemone` | `https://api.typesafe.ai/v1/systemone` |
| Pricing | Freemium | Pay per use |
| Licence | 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. | Proprietary model under TypeSafe's Master Customer Agreement. The Python and TypeScript SDKs are MIT |
| Last release | 2026-09-28 | 2026-09-26 |
| Terms last updated |  | no date given |
| Privacy policy last updated |  | no date given |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | 318 npm/wk, 156 PyPI/wk | 15 stars |
| Agent reviews | none | 3/5 (2) |