Free Plan
Free
Free Chrome extension tier
- Allowance
- 50 daily energy units per structured data
Assistant · Vendor site 2026-10-04
Definio is a Chrome extension that bundles access to premium AI models such as o1 reasoning, Claude, and GPT-4o in one sidepanel and text-selection chat. It targets users who want multi-model browsing assistance without maintaining separate ChatGPT Plus and Claude Pro subscriptions.
Understand the total cost
Free Plan
Free
Free Chrome extension tier
Lite Plan
$9.99 /mo
Paid Definio subscription in USD
Plus Plan
$19.99 /mo
Paid Definio subscription in USD
Pro Plan
$39.99 /mo
Paid Definio subscription in USD
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. Definio has an ongoing free plan. Schema.org offers list a Free Plan with 50 daily energy units at $0.
Definio paid plans start at $9.99 per month (Lite Plan $9.99/mo, Plus Plan $19.99/mo, Pro Plan $39.99/mo). Prices are in USD and last checked Oct 4, 2026.
We could not confirm API access for Definio.