Ampersand

Released
2026-10-20
Last refreshed
2026-10-22
Status
Researched today
ProprietaryCommercial use: restrictedRAGAgentsLong contextJSON / Tool use
humans& releases · 1 in the last 12 monthsChangelog →
Specifications
Family
Ampersand
Released
2026-10-20
Context
1M
Parameters
744B total, 40B active
Architecture
Mixture of Experts
Specialization
agentic
Openness
Proprietary
License
ProprietaryRestricted
Weights
Not released
Code
Unknown
Training
Reinforcement Learning
Created by

humans& trains models for people to achieve more together: Ampersand, a collaborator model trained with long-horizon soc

Website
Pricing
Output / 1M
$5.20
Input / 1M
$1.00

Cheapest of 1 route · humans& Agents API · cache read $0.200

Providers(1)

About

Ampersand (v0.1, API id ampersand-v0.1) is humans&'s collaborator model, built on GLM 5.3 and trained with RL to understand the long-term consequences of its actions and help groups of people reach shared goals: reasoning together, asking questions, surfacing context and working through disagreements. Text in/out, 1M-token context, API-only.

Providers(1)

Compare API pricing across 1 tracked provider route for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MCacheRoute
humans& Agents API$1.00$5.20read $0.200
Serverless

Capabilities

ReasoningJSON / Tool use

Benchmark peer barsfor RAG

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

API versions

ampersand-v0.1