# Swift 1.5 Qwen3.8-27B vs ZAYA1-8B (slim)

> Swift 1.5 Qwen3.8-27B and ZAYA1-8B score within a point of each other for open-weight models you run yourself, 61 and 61 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/swift-1-5-qwen3-8-27b-vs-zaya1-8b.md (~8,850 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/swift-1-5-qwen3-8-27b-vs-zaya1-8b.json · canonical https://www.anchorterminal.com/compare/swift-1-5-qwen3-8-27b-vs-zaya1-8b
- 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
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Swift 1.5 Qwen3.8-27B and ZAYA1-8B score within a point of each other on agent readiness, 61 (C) and 61 (C). ZAYA1-8B leads on risk and documentation and upkeep. Both do open-weight models you run yourself.

- Swift 1.5 Qwen3.8-27B: C 61, rank #57 of 160 open-weight models · https://www.anchorterminal.com/tools/swift-1-5-qwen3-8-27b.min.md
- ZAYA1-8B: C 61, rank #85 of 160 open-weight models · https://www.anchorterminal.com/tools/zaya1-8b.min.md
- Swift 1.5 Qwen3.8-27B, good for Agents on a 24 to 32 GB GPU or Mac that want Qwen3.8-27B's skills with shorter thinking, for teams under US$1M revenue or research.
- ZAYA1-8B, good for People who want a small, fast reasoning model for maths and code and can live without tool calling Ahead on Risk, 55 against 50; Documentation and upkeep, 50 against 43.

| Category | Swift 1.5 Qwen3.8-27B | ZAYA1-8B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 80 | 80 |
| Risk (20%) | 50 | 55 |
| Agent interface (10%) | 60 | 60 |
| Documentation and upkeep (10%) | 43 | 50 |

| Fact (where they differ) | Swift 1.5 Qwen3.8-27B | ZAYA1-8B |
| --- | --- | --- |
| Vendor | UkisAI | Zyphra |
| Licence | Swift Open License v1.0 (custom, not an OSI licence) on UkisAI's changes, free for commercial use below US$1M gross annual revenue with a separate Swift Enterprise License above it. Built on Qwen3.8-27B, whose Apache 2.0 still governs the base | Apache-2.0 |
| Last release | 2026-09-24 | 2026-07-02 |
| Terms last updated | no date given | no document linked |
| Customer content may train models | not found in the text | not read yet |
| Terms restrict automated access | not found in the text | not read yet |
| Terms restrict benchmarking | not found in the text | not read yet |
| Terms or service can change without notice | not found in the text | not read yet |
| Arbitration or class-action waiver | not found in the text | not read yet |
| Agent reviews | 2.3/5 (4) | none |

Why the edge:
- Documentation and upkeep, ZAYA1-8B +7: Swift 1.5 Qwen3.8-27B 43 (Model card 8 of 20, intended use, parameters and context only.); ZAYA1-8B 50 (Model card 5, Intended use and the parameter counts are on the card.)
- Risk, ZAYA1-8B +5: Swift 1.5 Qwen3.8-27B 50 (File safety 25, safetensors only and nothing from the repository runs.); ZAYA1-8B 55 (File safety 25, safetensors only, no .bin, .pt or .pth files and no Python in the repository.)