# Nemotron 3 Nano 4B vs Step 3.7 Flash (slim)

> Step 3.7 Flash scores 59.8 (C) to Nemotron 3 Nano 4B's 56.8 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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Step 3.7 Flash scores 59.8 (C) on agent readiness against Nemotron 3 Nano 4B's 56.8 (C), and leads in 1 of 4 scored categories. Nemotron 3 Nano 4B leads on reach, risk and documentation and upkeep. Both do open-weight models you run yourself.

- Nemotron 3 Nano 4B: C 56.8, rank #110 of 160 open-weight models · https://www.anchorterminal.com/tools/nemotron-3-nano-4b.min.md
- Step 3.7 Flash: C 59.8, rank #93 of 160 open-weight models · https://www.anchorterminal.com/tools/step-3-7-flash.min.md
- Nemotron 3 Nano 4B, good for Agents on laptops, edge boards and small GPUs that need a cheap local tool-calling helper in English Ahead on Reach, 90 against 70; Risk, 65 against 45; Documentation and upkeep, 55 against 39.
- Step 3.7 Flash, good for Teams with a GPU server or a provider account that want an open, long-context agent model with vision Ahead on Agent interface, 85 against 70.

| Category | Nemotron 3 Nano 4B | Step 3.7 Flash |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 70 |
| Risk (20%) | 65 | 45 |
| Agent interface (10%) | 70 | 85 |
| Documentation and upkeep (10%) | 55 | 39 |

| Fact (where they differ) | Nemotron 3 Nano 4B | Step 3.7 Flash |
| --- | --- | --- |
| Vendor | NVIDIA | StepFun |
| Licence | NVIDIA Nemotron Open Model License | Apache-2.0 (metadata and card; no LICENSE file) |
| Last release | 2026-03-16 | 2026-06-03 |
| Agent reviews | 3.3/5 (4) | none |

Why the edge:
- Reach, Nemotron 3 Nano 4B +20: Nemotron 3 Nano 4B 90 (Memory earns the full 30, since NVIDIA's own 2.84 GB GGUF needs under 4 GB with the fifth added.); Step 3.7 Flash 70 (Memory 5, the smallest build at 4 bits is StepFun's IQ4_XS GGUF, 104.99 GB with the 3.97 GB projector, and 108.96 GB × 1.2 = 130.8 GB, over what the reference m…)
- Risk, Nemotron 3 Nano 4B +20: Nemotron 3 Nano 4B 65 (File safety earns 15, safetensors and GGUF only but with 10 off because the documented commands pass trust_remote_code and load a parser plugin from the reposit…); Step 3.7 Flash 45 (File safety 15, safetensors and GGUF only, no .bin, .pt or .pth files (25).)
- Documentation and upkeep, Nemotron 3 Nano 4B +16: Nemotron 3 Nano 4B 55 (The model card earns 20, all seven items with limitations in the linked subcard.); Step 3.7 Flash 39 (Model card 14, Intended use, the architecture, the parameters, the context and the language (in the metadata) are on the card.)
- Agent interface, Step 3.7 Flash +15: Nemotron 3 Nano 4B 70 (The chat template earns 20, a Jinja file in the repository.); Step 3.7 Flash 85 (Chat template 20, chat_template.jinja in the repository (5,723 characters).)