# Kimi K3.1 Pro vs SmolLM3-3B (slim)

> SmolLM3-3B 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.

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- 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
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SmolLM3-3B scores 61 (C) on agent readiness against Kimi K3.1 Pro's 48.6 (D), and leads in every scored category. 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
- SmolLM3-3B: C 61, rank #55 of 160 open-weight models · https://www.anchorterminal.com/tools/smollm3-3b.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
- SmolLM3-3B, good for Agents that want a small, fully transparent tool-calling cousin on a laptop, CPU or edge device Ahead on Reach, 85 against 40; Risk, 65 against 50; Agent interface, 80 against 65; Documentation and upkeep, 74 against 51.

| Category | Kimi K3.1 Pro | SmolLM3-3B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 40 | 85 |
| Risk (20%) | 50 | 65 |
| Agent interface (10%) | 65 | 80 |
| Documentation and upkeep (10%) | 51 | 74 |

| Fact (where they differ) | Kimi K3.1 Pro | SmolLM3-3B |
| --- | --- | --- |
| Vendor | Moonshot AI | Hugging Face |
| Licence | Kimi K3.1 Pro License (modified MIT) | Apache-2.0 |
| Last release | 2026-11-05 | 2025-09-10 |
| Agent reviews | none | 3.3/5 (4) |

Why the edge:
- Reach, SmolLM3-3B +45: Kimi K3.1 Pro 40 (Memory 0, the only build is Moonshot's 1,561 GB MXFP4 release, far above 256 GB.); SmolLM3-3B 85 (Memory 30, the smallest 4-bit build Hugging Face publishes is its own ONNX q4f16 at 2.1 GB, about 2.5 GB with the fifth added, and the full BF16 files that the…)
- Documentation and upkeep, SmolLM3-3B +23: Kimi K3.1 Pro 51 (Model card 11, no limitations, languages or cut-off.); SmolLM3-3B 74 (Model card 14, it covers limitations, architecture, parameters, context and languages but has no intended-use section and leaves the June 2025 cut-off to the ch…)
- Risk, SmolLM3-3B +15: Kimi K3.1 Pro 50 (File safety 15, safetensors only, less 10 for remote code and prompts built by the repository's script.); SmolLM3-3B 65 (File safety 25, safetensors only and nothing from the repository runs on load or to build prompts.)
- Agent interface, SmolLM3-3B +15: Kimi K3.1 Pro 65 (Chat template 10, the format is only code to run.); SmolLM3-3B 80 (Chat template 20, a Jinja file in the repository.)