# Kimi K3.1 Pro vs Ornith-1.5-122B (slim)

> Ornith-1.5-122B scores 61 (C) to Kimi K3.1 Pro's 48.6 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/kimi-k3-1-pro-vs-ornith-1-5-122b.md (~9,050 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/kimi-k3-1-pro-vs-ornith-1-5-122b.json · canonical https://www.anchorterminal.com/compare/kimi-k3-1-pro-vs-ornith-1-5-122b
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-10
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Ornith-1.5-122B scores 61 (C) on agent readiness against Kimi K3.1 Pro's 48.6 (D), and leads in 2 of 4 scored categories. Kimi K3.1 Pro leads on documentation and upkeep. Both do open-weight models you run yourself.

- Kimi K3.1 Pro: D 48.6, rank #151 of 160 open-weight models · https://www.anchorterminal.com/tools/kimi-k3-1-pro.min.md
- Ornith-1.5-122B: C 61, rank #81 of 160 open-weight models · https://www.anchorterminal.com/tools/ornith-1-5-122b.min.md
- Kimi K3.1 Pro, good for Operators with a multi-accelerator node who want Moonshot's newest open-weight model for coding and long agent sessions, and everyone else through an API Ahead on Documentation and upkeep, 51 against 36.
- Ornith-1.5-122B, good for Local coding and terminal agents on a 128 GB unified-memory machine or a 96 GB GPU setup, where a clear licence file and an answering publisher aren't required Ahead on Reach, 75 against 40; Agent interface, 85 against 65.

| Category | Kimi K3.1 Pro | Ornith-1.5-122B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 40 | 75 |
| Risk (20%) | 50 | 50 |
| Agent interface (10%) | 65 | 85 |
| Documentation and upkeep (10%) | 51 | 36 |

| Fact (where they differ) | Kimi K3.1 Pro | Ornith-1.5-122B |
| --- | --- | --- |
| Vendor | Moonshot AI | Ornith |
| Licence | Kimi K3.1 Pro License (modified MIT) | MIT |
| Last release | 2026-11-05 | 2026-10-24 |

Why the edge:
- Reach, Ornith-1.5-122B +35: Kimi K3.1 Pro 40 (Memory 0, the only build is Moonshot's 1,561 GB MXFP4 release, far above 256 GB.); Ornith-1.5-122B 75 (Memory 10, since Ornith's own MLX 4-bit build is 69.7 GB and needs about 83.6 GB with the fifth added, over 64 GB and inside the reference machine's 107.4 GB, a…)
- Agent interface, Ornith-1.5-122B +20: Kimi K3.1 Pro 65 (Chat template 10, the format is only code to run.); Ornith-1.5-122B 85 (Chat template 20, a Jinja file in the repository.)
- Documentation and upkeep, Kimi K3.1 Pro +15: Kimi K3.1 Pro 51 (Model card 11, no limitations, languages or cut-off.); Ornith-1.5-122B 36 (Model card 11, it covers intended use, architecture, parameters and context but not limitations, languages or a knowledge cut-off.)