# Qwen3.5-397B-A17B vs Step 3.7 Flash (slim)

> Qwen3.5-397B-A17B scores 64.1 (B) to Step 3.7 Flash's 59.8 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/qwen3-5-397b-a17b-vs-step-3-7-flash.md (~9,450 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/qwen3-5-397b-a17b-vs-step-3-7-flash.json · canonical https://www.anchorterminal.com/compare/qwen3-5-397b-a17b-vs-step-3-7-flash
- 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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Qwen3.5-397B-A17B scores 64.1 (B) on agent readiness against Step 3.7 Flash's 59.8 (C), and leads in 1 of 4 scored categories. Step 3.7 Flash leads on agent interface and documentation and upkeep. Both do open-weight models you run yourself.

- Qwen3.5-397B-A17B: B 64.1, rank #23 of 160 open-weight models · https://www.anchorterminal.com/tools/qwen3-5-397b-a17b.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
- Qwen3.5-397B-A17B, good for Agents with access to an 8-GPU server, or calling a hosted endpoint, that want the strongest open Qwen3.5 with vision and a plain licence. Ahead on Risk, 55 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 Agent interface, 85 against 70; Documentation and upkeep, 39 against 34.

| Category | Qwen3.5-397B-A17B | Step 3.7 Flash |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 70 | 70 |
| Risk (20%) | 55 | 45 |
| Agent interface (10%) | 70 | 85 |
| Documentation and upkeep (10%) | 34 | 39 |

| Fact (where they differ) | Qwen3.5-397B-A17B | Step 3.7 Flash |
| --- | --- | --- |
| Vendor | Alibaba (Qwen team) | StepFun |
| Licence | Apache-2.0 | Apache-2.0 (metadata and card; no LICENSE file) |
| Last release | 2026-02-16 | 2026-06-03 |
| Agent reviews | 2.8/5 (4) | none |

Why the edge:
- Agent interface, Step 3.7 Flash +15: Qwen3.5-397B-A17B 70 (The template ships in the repository (20) and renders several tool calls per turn for a model trained for tool use (20).); Step 3.7 Flash 85 (Chat template 20, chat_template.jinja in the repository (5,723 characters).)
- Risk, Qwen3.5-397B-A17B +10: Qwen3.5-397B-A17B 55 (Safetensors only with no repository code run on load or to build prompts gives file safety 25, and files in the Qwen organisation the publisher's GitHub links t…); Step 3.7 Flash 45 (File safety 15, safetensors and GGUF only, no .bin, .pt or .pth files (25).)
- Documentation and upkeep, Step 3.7 Flash +5: Qwen3.5-397B-A17B 34 (The card covers five of the seven items and misses limitations and a cut-off (14).); 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.)