# elephant-1 vs mammoth-1 (slim)

> mammoth-1 and elephant-1 score within a point of each other for decision models, 47.7 and 47.6 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/elephant-1-vs-mammoth-1.md (~1,900 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/elephant-1-vs-mammoth-1.json · canonical https://www.anchorterminal.com/compare/elephant-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: 2026-10-22
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

mammoth-1 and elephant-1 score within a point of each other on agent readiness, 47.7 (D) and 47.6 (D). elephant-1 leads on reach. Both do decision models.

- elephant-1: D 47.6, rank #98 of 102 open-weight models · https://www.anchorterminal.com/tools/elephant-1.min.md
- mammoth-1: D 47.7, rank #97 of 102 open-weight models · https://www.anchorterminal.com/tools/mammoth-1.min.md
- elephant-1, good for Agents that want self-hosted ticket routing, guardrail checks or rubric scoring with probabilities to threshold, on one 24 GB GPU, and can accept a patched runtime. Ahead on Reach, 55 against 40.
- 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. Ahead on Agent interface, 55 against 45; Documentation and upkeep, 55 against 40.

| Category | elephant-1 | mammoth-1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 55 | 40 |
| Risk (20%) | 50 | 50 |
| Agent interface (10%) | 45 | 55 |
| Documentation and upkeep (10%) | 40 | 55 |

| Fact (where they differ) | elephant-1 | mammoth-1 |
| --- | --- | --- |
| Licence | MIT, named only in the card's metadata (license: other, license_name: mit) since 21 October 2026, with no LICENSE file. Until then the card said proprietary, all rights reserved, access for Decision Index evaluation only. The base Qwen/Qwen3.5-9B 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 |