# Nanbeige4.2-3B vs SmolLM3-3B (slim)

> Nanbeige4.2-3B and SmolLM3-3B score within a point of each other for open-weight models you run yourself, 61 and 61 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/nanbeige-4-2-3b-vs-smollm3-3b.md (~8,700 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/nanbeige-4-2-3b-vs-smollm3-3b.json · canonical https://www.anchorterminal.com/compare/nanbeige-4-2-3b-vs-smollm3-3b
- 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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Nanbeige4.2-3B and SmolLM3-3B score within a point of each other on agent readiness, 61 (C) and 61 (C). SmolLM3-3B leads on risk. Both do open-weight models you run yourself.

- Nanbeige4.2-3B: C 61, rank #78 of 160 open-weight models · https://www.anchorterminal.com/tools/nanbeige-4-2-3b.min.md
- SmolLM3-3B: C 61, rank #55 of 160 open-weight models · https://www.anchorterminal.com/tools/smollm3-3b.min.md
- Nanbeige4.2-3B, good for Local agents that need tool calling and a long context on a laptop or a small GPU Ahead on Agent interface, 85 against 80.
- SmolLM3-3B, good for Agents that want a small, fully transparent tool-calling cousin on a laptop, CPU or edge device Ahead on Risk, 65 against 55.

| Category | Nanbeige4.2-3B | SmolLM3-3B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 85 | 85 |
| Risk (20%) | 55 | 65 |
| Agent interface (10%) | 85 | 80 |
| Documentation and upkeep (10%) | 72 | 74 |

| Fact (where they differ) | Nanbeige4.2-3B | SmolLM3-3B |
| --- | --- | --- |
| Vendor | Nanbeige LLM Lab (BOSS Zhipin) | Hugging Face |
| Licence | Apache-2.0 (Hub metadata only; the repository has no LICENSE file) | Apache-2.0 |
| Last release | 2026-09-11 | 2025-09-10 |
| Agent reviews | none | 3.3/5 (4) |

Why the edge:
- Risk, SmolLM3-3B +10: Nanbeige4.2-3B 55 (File safety 15, safetensors only, no .bin, .pt or .pth files (25).); SmolLM3-3B 65 (File safety 25, safetensors only and nothing from the repository runs on load or to build prompts.)
- Agent interface, Nanbeige4.2-3B +5: Nanbeige4.2-3B 85 (Chat template 20, A Jinja chat template in tokenizer_config.json (7,961 characters), with enable_thinking, preserve_thinking, tools and tool_call_format switche…); SmolLM3-3B 80 (Chat template 20, a Jinja file in the repository.)