Start free.
Scale when it pays for itself.
FATH OS is the operating layer for an AI workforce. Free for individuals, priced for teams that are putting AI to work, and bespoke for organizations that need sovereignty.
Free
For individuals exploring agents and small workflows.
- 1 workspace, up to 3 agents
- 1 department
- Bring-your-own model keys
- Community support
Starter
For solo founders shipping AI workflows in production.
- Up to 10 agents, 3 departments
- Google Suite + GitHub integrations
- Model racing (2 providers)
- Email support
Pro
For teams running departments of agents with humans in the loop.
- Unlimited agents, 10 departments
- Up to 10 team members
- Model racing (4 providers)
- FATH Agent + FATH Security
- Priority support
Enterprise
For organizations operating AI as core infrastructure.
- Unlimited departments + members
- SSO, audit log export, 2FA enforced
- Dedicated success engineer
- 99.9% SLA
- Custom integrations
Sovereign
Private deployments for regulated industries and governments.
- On-prem or sovereign cloud
- Private FATH model fine-tuning
- Dedicated deployment team
- 24/7 SLA, onsite integration
- Compliance: HIPAA, SOC 2, GDPR, KSA
Common questions
Yes. Upgrade instantly, downgrade at the end of your billing period. Your data and agents are preserved across tier changes.
All tiers support BYOK for OpenAI, Anthropic, Groq, OpenRouter, Together, and self-hosted Ollama. Pro+ unlocks model racing.
The Free tier never expires. Paid tiers start with a 14-day money-back guarantee — cancel anytime within 14 days for a full refund.
Enterprise runs on FATH cloud with strong isolation. Sovereign deploys inside your own environment — air-gapped, on-prem, or private cloud.
Start free in under 60 seconds.
No card required for Free. Upgrade only when you outgrow it.