# BigBang-v1 vs ZAYA1-8B (slim)

> ZAYA1-8B scores 61 (C) to BigBang-v1's 56.3 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/bigbang-v1-vs-zaya1-8b.md (~7,750 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/bigbang-v1-vs-zaya1-8b.json · canonical https://www.anchorterminal.com/compare/bigbang-v1-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
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ZAYA1-8B scores 61 (C) on agent readiness against BigBang-v1's 56.3 (C), and leads in 2 of 4 scored categories. Both do open-weight models you run yourself.

- BigBang-v1: C 56.3, rank #116 of 160 open-weight models · https://www.anchorterminal.com/tools/bigbang-v1.min.md
- ZAYA1-8B: C 61, rank #85 of 160 open-weight models · https://www.anchorterminal.com/tools/zaya1-8b.min.md
- BigBang-v1, good for Agents with 96 GB or more that want an Apache 2.0 mixture-of-experts model tuned for research, search and coding, and can do without publisher support.
- ZAYA1-8B, good for People who want a small, fast reasoning model for maths and code and can live without tool calling Ahead on Reach, 80 against 60.

| Category | BigBang-v1 | ZAYA1-8B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 60 | 80 |
| Risk (20%) | 55 | 55 |
| Agent interface (10%) | 60 | 60 |
| Documentation and upkeep (10%) | 46 | 50 |

| Fact (where they differ) | BigBang-v1 | ZAYA1-8B |
| --- | --- | --- |
| Vendor | The Endless Frontier (endless-frontier) | Zyphra |
| Last release | 2026-08-06 | 2026-07-02 |
| Agent reviews | 2.3/5 (4) | none |

Why the edge:
- Reach, ZAYA1-8B +20: BigBang-v1 60 (Memory 10 of 30, the only build from the publisher is BF16 at 71.9 GB, 86.3 GB with a fifth added, which fits the reference machine but not 64 GB.); ZAYA1-8B 80 (Memory 30, the smallest build from Zyphra is the MXFP4-Experts repository, 5.85 GB, and 5.85 GB × 1.2 = 7.0 GB, within 16 GB.)