Free Plan
Free
Free Chrome extension tier
- Allowance
- 50 daily energy units per structured data
Definio
● Identity checkedAssistant · 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.
- Category
- Assistant
- Free access
- Schema.org offers list a Free Plan with 50 daily energy units at $0.
- API access
- Not confirmed
Is Definio right for you?
A good fit for
Chrome users who want premium model access while browsing with instant selection chat and a sidepanel interface.
Before you choose
Marketing and structured data describe model access through a Chrome extension; paid tiers above Lite require subscription per Definio plan names on the site.
Premium models in one extension
Definio markets consolidated premium AI access for browsing via Chrome with free and paid plan tiers defined in on-site structured data.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Chrome extension | Described as premium AI model access through a Chrome extension with sidepanel and text-selection chat. | Facts sourced | 2026-10-04 |
| Model coverage | Meta tags name o1 reasoning, Claude 4, GPT-4o, and related premium models in one extension. | Facts sourced | 2026-10-04 |
| Plans | Structured data lists Free, Lite, Plus, and Pro plans with USD monthly prices starting at $9.99. | Facts sourced | 2026-10-04 |
Understand the total cost
Definio pricing & plans
Lite Plan
$9.99 /mo
Paid Definio subscription in USD
- Price
- $9.99/mo listed in site structured data
Plus Plan
$19.99 /mo
Paid Definio subscription in USD
- Price
- $19.99/mo listed in site structured data
Pro Plan
$39.99 /mo
Paid Definio subscription in USD
- Price
- $39.99/mo listed in site structured data
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Explore toolThe practical questions
Frequently asked questions
What is Definio used for?
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.
Does Definio have a free plan?
Schema.org offers list a Free Plan with 50 daily energy units at $0.. This record lists ongoing free access; check the plan limits before starting.
How much does Definio cost?
The listed monthly price is $9.99 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Definio through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Marketing and structured data describe model access through a Chrome extension; paid tiers above Lite require subscription per Definio plan names on the site.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.