kitio.aiDioptra vs Robin AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Dioptra starts at $450/mo and Robin AI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Redlines in Word
- Playbook distillation
- Term search
- Issues lists and risk summaries
- Legal AI assistant
- Prompt library
- Contract review
- Clause search
- Document chat
- Shared threads
- Legal services
| Feature | Dioptra | Robin AI |
|---|---|---|
| Best for | AI contract redlining inside Microsoft Word for legal teams | Legal AI platform for reviewing and searching contracts |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free trial | Paid |
| Starting price | $450/mo | See pricing page |
| Free plan | No, 7-day trial | No |
| Made by | Dioptra | Robin AI |
| Based in | – | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Dioptra starts at $450/mo and Robin AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Starter
$450/mo
- Market playbooks and prompt library
- No training on your data
- 7-day free trial
Teams
From $4,200/yr per seat
- Per seat
- Team prompt library
- Customized onboarding plan
Enterprise
Contact sales
- 30-day guided ROI program
- Playbook building services
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Dioptra
- Works inside Microsoft Word
- Builds playbooks from your contracts
- No training on your data
- Starter costs $450 per month
- Team pricing is per seat per year
- Now part of Icertis
Robin AI
- Searches across large contract sets
- Document chat with team threads
- Enterprise security section
- No public pricing
- Demo required
- Built for legal teams, not individuals
Which one should you choose?
Choose Dioptra if you want:
- Works inside Microsoft Word
- Builds playbooks from your contracts
- No training on your data
Watch out: starter costs $450 per month.
Choose Robin AI if you want:
- Searches across large contract sets
- Document chat with team threads
- Enterprise security section
Watch out: no public pricing.
Dioptra vs Robin AI FAQ
What is the difference between Dioptra and Robin AI?
Dioptra: AI contract redlining inside Microsoft Word for legal teams. Robin AI: Legal AI platform for reviewing and searching contracts. Both are legal, finance & hr tools.
Is Dioptra or Robin AI cheaper?
Dioptra starts at $450/mo and Robin AI starts at See pricing page. Check both pricing pages for current plans.
Do Dioptra and Robin AI have free plans?
Dioptra: No, 7-day trial. Robin AI: No.
Who makes Dioptra?
Dioptra is made by Dioptra.
Who makes Robin AI?
Robin AI is made by Robin AI, based in United Kingdom.
Which should I choose, Dioptra or Robin AI?
Choose Dioptra if you value works inside microsoft word and builds playbooks from your contracts. Choose Robin AI if you value searches across large contract sets and document chat with team threads.