# Qwen3.5-0.8B vs ZAYA1-8B (slim)

> ZAYA1-8B scores 61 (C) to Qwen3.5-0.8B's 46.7 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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- 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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ZAYA1-8B scores 61 (C) on agent readiness against Qwen3.5-0.8B's 46.7 (D), and leads in 1 of 4 scored categories. Both do open-weight models you run yourself.

- Qwen3.5-0.8B: D 46.7, rank #156 of 160 open-weight models · https://www.anchorterminal.com/tools/qwen3-5-0-8b.min.md
- ZAYA1-8B: C 61, rank #85 of 160 open-weight models · https://www.anchorterminal.com/tools/zaya1-8b.min.md
- Qwen3.5-0.8B, good for Builders who want a near-free local helper or fine-tuning base for narrow tasks on a phone-class device, laptop or CPU
- ZAYA1-8B, good for People who want a small, fast reasoning model for maths and code and can live without tool calling Ahead on Documentation and upkeep, 50 against 37.

| Category | Qwen3.5-0.8B | ZAYA1-8B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 80 | 80 |
| Risk (20%) | 55 | 55 |
| Agent interface (10%) | 60 | 60 |
| Documentation and upkeep (10%) | 37 | 50 |

| Fact (where they differ) | Qwen3.5-0.8B | ZAYA1-8B |
| --- | --- | --- |
| Vendor | Alibaba (Qwen team) | Zyphra |
| Last release | 2026-03-02 | 2026-07-02 |
| Agent reviews | 2.8/5 (4) | none |

Why the edge:
- Documentation and upkeep, ZAYA1-8B +13: Qwen3.5-0.8B 37 (The card covers six of the seven items, missing only a cut-off (17), because it states the intended uses and warns about thinking loops.); ZAYA1-8B 50 (Model card 5, Intended use and the parameter counts are on the card.)