Ai21 develops enterprise AI systems and foundation models designed to power accurate, reliable, and scalable workflows.

Products & media

Intelligent Gateway

An AI gateway that reduces token consumption by adapting model routing and execution to an organization’s agent traffic.

Post-Training

A model customization service that tunes small open models for an organization’s specific workloads and performance requirements.

Jamba

A family of open language models combining Mamba and Transformer architectures for long-context enterprise tasks and compact on-device applications.

Harness Optimizer

An optimization service that searches agent harness configurations against private evaluations to improve workload cost and quality.

Maestro

An orchestration system that plans, executes, and validates retrieval-based AI agents within specified cost and latency limits.

AI21 Studio

A developer environment for experimenting with AI21 models, configuring Maestro agents, and connecting enterprise files and tools.

Cosigns

allison goldbergSVP & Managing Partner, Comcast Ventures and Startup Engagement
“We are impressed with the strong team at AI21 and their ability to scale quickly in a rapidly evolving Generative AI landscape”
Source

Team

3 people across company lists

Jobs

Funding

All fundraising announcements are based on public sources. Please contact Cosign if you believe there are any discrepancies, or claim the profile to edit.

Leads

Participating Firms

Angels