Collaborator model Ampersand lands on Vercel AI Gateway, free for a week at 744B params
ericzelikman · x · 2026-11-11
Ampersand, a "collaborator model" from the humansand team, is now available on Vercel AI Gateway and free for the next week, with no training on your data.
- 744B total params (40B active), MoE architecture
- Matches or beats all frontier models (e.g. Fable and Astra) in multi-user long-horizon settings on the team's own evals
- Also beats most rivals on external cooperation benchmarks and multi-agent coding evals
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