# Drex 1.5 vs kettei (slim)

> Drex 1.5 scores 69.5 (B) to kettei's 58.3 (C) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/nace-drex-vs-sqwish-kettei.md (~2,900 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/nace-drex-vs-sqwish-kettei.json · canonical https://www.anchorterminal.com/compare/nace-drex-vs-sqwish-kettei
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Drex 1.5 scores 69.5 (B) on agent readiness against kettei's 58.3 (C), and leads in 5 of 7 scored categories. Both do decision models.

- Drex 1.5: B 69.5, rank #194 of 1133 · https://www.anchorterminal.com/tools/nace-drex.min.md
- kettei: C 58.3, rank #640 of 1133 · https://www.anchorterminal.com/tools/sqwish-kettei.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 30; Payments & pricing, 40 against 35; Maintenance & community, 65 against 57; Transparency & trust, 61 against 51.
- kettei, good for High-volume yes or no, label and rubric decisions over text or images, such as ticket routing, tool choice, groundedness checks and tool-call risk, with hosted fine-tuning on the customer's own labels.

| Category | Drex 1.5 | kettei |
| --- | --- | --- |
| Reliability (16%) | 80 | 30 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 87 |
| Agent ergonomics (13%) | 85 | 89 |
| Security & auth (14%) | 65 | 68 |
| Payments & pricing (10%) | 40 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 57 |
| Transparency & trust (7%) | 61 | 51 |

| Fact (where they differ) | Drex 1.5 | kettei |
| --- | --- | --- |
| Vendor | Nace AI, Inc. (Nace.AI) | Sqwish Labs |
| Hosted endpoint | `https://console.nace.ai/v1/systemone` | `https://api.sqwish.ai/v1/decide` |
| 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 hosted models and API. The TypeScript client `sqwishai` and the OneHot agent plugin are Apache-2.0. No weights for kettei core or kettei dot were published on 17 October 2026 |
| Last release | 2026-09-28 | 2026-10-15 |
| Terms last updated | 2026-10-09 |  |
| Privacy policy last updated | 2026-10-09 |  |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 318 npm/wk, 156 PyPI/wk | 1.2k npm/wk |
| Agent reviews | 3.5/5 (4) | 3.8/5 (4) |