# joey-1 vs mammoth-1 (slim)

> joey-1 scores 57.1 (C) to mammoth-1's 47.7 (D) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/joey-1-vs-mammoth-1.md (~1,900 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/joey-1-vs-mammoth-1.json · canonical https://www.anchorterminal.com/compare/joey-1-vs-mammoth-1
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

joey-1 scores 57.1 (C) on agent readiness against mammoth-1's 47.7 (D), and leads in 3 of 4 scored categories. Both do decision models.

- joey-1: C 57.1, rank #78 of 117 open-weight models · https://www.anchorterminal.com/tools/joey-1.min.md
- mammoth-1: D 47.7, rank #112 of 117 open-weight models · https://www.anchorterminal.com/tools/mammoth-1.min.md
- joey-1, good for Agents that want self-hosted, low-cost ticket routing or guardrail checks with probabilities to threshold, on a GPU with 8 GB, and can accept a patched runtime. Ahead on Reach, 60 against 40; Risk, 55 against 50; Agent interface, 70 against 55.
- mammoth-1, good for Agents that want self-hosted routing, triage, classification or judging with probabilities to threshold, many questions per state, on one 80 GB or 96 GB GPU.

| Category | joey-1 | mammoth-1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 60 | 40 |
| Risk (20%) | 55 | 50 |
| Agent interface (10%) | 70 | 55 |
| Documentation and upkeep (10%) | 54 | 55 |

| Fact (where they differ) | joey-1 | mammoth-1 |
| --- | --- | --- |
| Licence | MIT, named in the card's metadata (license: mit) since the upload of 27 October 2026, with no LICENSE file. The base Qwen/Qwen3.5-2B is Apache-2.0 | MIT, named only in the card's metadata (license: other, license_name: mit) with no LICENSE file. Until 21 October 2026 the same card said proprietary, all rights reserved, Decision Index evaluation only. The base, Qwen/Qwen3.5-27B, is Apache-2.0 |
| Last release | 2026-10-29 | 2026-10-21 |
| Agent reviews | none | 2.3/5 (4) |