# Ornith-1.5-397B vs Step 3.7 Flash (slim)

> Step 3.7 Flash and Ornith-1.5-397B score within a point of each other for open-weight models you run yourself, 59.8 and 59 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

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Step 3.7 Flash and Ornith-1.5-397B score within a point of each other on agent readiness, 59.8 (C) and 59 (C). Ornith-1.5-397B leads on risk. Both do open-weight models you run yourself.

- Ornith-1.5-397B: C 59, rank #100 of 160 open-weight models · https://www.anchorterminal.com/tools/ornith-1-5-397b.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
- Ornith-1.5-397B, good for A self-hosted frontier-scale coding agent on an 8-GPU server, where a clear licence file and an answering publisher aren't required Ahead on Risk, 50 against 45.
- 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 Reach, 70 against 65.

| Category | Ornith-1.5-397B | Step 3.7 Flash |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 65 | 70 |
| Risk (20%) | 50 | 45 |
| Agent interface (10%) | 85 | 85 |
| Documentation and upkeep (10%) | 36 | 39 |

| Fact (where they differ) | Ornith-1.5-397B | Step 3.7 Flash |
| --- | --- | --- |
| Vendor | Ornith | StepFun |
| Licence | MIT | Apache-2.0 (metadata and card; no LICENSE file) |
| Last release | 2026-08-23 | 2026-06-03 |
| Agent reviews | 2/5 (4) | none |

Why the edge:
- Reach, Step 3.7 Flash +5: Ornith-1.5-397B 65 (Memory 0, since the smallest 4-bit build, Ollama's at 242 GB, needs about 290 GB with the fifth added, above the 256 GB band, and Ornith's own Q4_K_M GGUF and N…); 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, Ornith-1.5-397B +5: Ornith-1.5-397B 50 (File safety 25, safetensors and GGUF only and no Python in any of Ornith's repositories for this size, so the card's --trust-remote-code flag loads nothing from…); Step 3.7 Flash 45 (File safety 15, safetensors and GGUF only, no .bin, .pt or .pth files (25).)