Usage-based direct
Usage-based source (opens in a new tab)
Usage
Agents billed on usage; rates not published
For: Enterprises
Productivity & writing · pricing
Fermi Dev pricing in 2026: plans, limits and what is free
Fermi Dev targets enterprises that want an AI layer over their business systems with an approval step before changes are applied; pricing must be requested.
- Starting price
- Not published
- Free option
- No
- Plans
- 1
- Prices checked
- Sep 29, 2026
Fermi Dev pricing page, captured
Our own captures of each vendor's public pages. Click a frame for the full-size image.
Fermi Dev plans compared
| Plan | Price | Billing | Who it is for | Key limits | API |
|---|---|---|---|---|---|
| Usage-based direct |
Usage-based | Usage | Enterprises | Not stated | Not stated |
What is free, what costs extra
Free access and trial
Not stated
Not stated
Extra costs and taxes
Agent usage fees
Not stated
Fermi Dev pricing and usage limits
Prices checked Sep 29, 2026 on the official US pricing page. Prices and limits change often.
Free access and trial conditions
Not stated
Not stated
Paid plans: what changes as you upgrade
Usage caps, credits and extra costs
Agent usage fees
Not stated
Fermi Dev FAQ
Does Fermi have public pricing?
No. Agents are billed on usage per the site, but rates are not published. source (opens in a new tab)
More about Fermi Dev
- Full Fermi Dev guide: features, use cases, how-to and sources.
- Fermi Dev alternatives with their prices.
- Best productivity & writing tools compared by price.
- LLM API token cost calculator if you pay per token instead of per seat.