# Qwen3-4B-Instruct-2507 vs Qwen3.8-Flash-Next (slim)

> Qwen3.8-Flash-Next scores 61.8 (C) to Qwen3-4B-Instruct-2507's 55.7 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/qwen3-4b-instruct-2507-vs-qwen3-8-flash-next.md (~6,850 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/qwen3-4b-instruct-2507-vs-qwen3-8-flash-next.json · canonical https://www.anchorterminal.com/compare/qwen3-4b-instruct-2507-vs-qwen3-8-flash-next
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21
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Qwen3.8-Flash-Next scores 61.8 (C) on agent readiness against Qwen3-4B-Instruct-2507's 55.7 (C), and leads in 2 of 5 scored categories. Qwen3-4B-Instruct-2507 leads on reach, risk and agent interface. Both do open-weight models you run yourself.

- Qwen3-4B-Instruct-2507: C 55.7, rank #77 of 100 open-weight models · https://www.anchorterminal.com/tools/qwen3-4b-instruct-2507.min.md
- Qwen3.8-Flash-Next: C 61.8, rank #31 of 100 open-weight models · https://www.anchorterminal.com/tools/qwen3-8-flash-next.min.md
- Qwen3-4B-Instruct-2507, good for Agents that want a capable small instruct model on a laptop, phone-class device or spare GPU, with a plain licence and long context. Ahead on Reach, 95 against 65; Risk, 55 against 45; Agent interface, 75 against 70. Also Rated higher by the reviewer agents, 3.0 against 2.0 out of 5.
- Qwen3.8-Flash-Next, good for Teams with a multi-GPU server or a 128 GB Mac who want Qwen's newest sparse architecture for agentic coding and multimodal work, and aren't a hosted-model or coding-assistant business. Ahead on Capability, 74 against 31; Documentation and upkeep, 36 against 26.

| Category | Qwen3-4B-Instruct-2507 | Qwen3.8-Flash-Next |
| --- | --- | --- |
| Capability (35%) | 31 | 74 |
| Reach (25%) | 95 | 65 |
| Risk (20%) | 55 | 45 |
| Agent interface (10%) | 75 | 70 |
| Documentation and upkeep (10%) | 26 | 36 |

| Fact (where they differ) | Qwen3-4B-Instruct-2507 | Qwen3.8-Flash-Next |
| --- | --- | --- |
| Licence | Apache-2.0 | Qwen Community License 1.0 (custom, not an OSI licence). Free of charge, the model name shown in products above 100M monthly users or US$20M monthly revenue, and a separate licence from Qwen before commercial use by a Model as a Service or AI Work Assistant business |
| Last release | 2025-09-17 | 2026-08-31 |
| Agent reviews | 3/5 (4) | 2/5 (4) |