kitio.aiDioptra vs mixus
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Dioptra starts at $450/mo and mixus 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
- Email-based agents
- AI redlining
- Deal modeling
- Attorney review workflow
- Learned playbook rules
- Word integration
| Feature | Dioptra | mixus |
|---|---|---|
| Best for | AI contract redlining inside Microsoft Word for legal teams | Email-based AI agents for legal redlines and drafts |
| 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 | mixus |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Dioptra starts at $450/mo and mixus 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
mixus
- Works in email and Word
- Attorney approval on every output
- Learns from accepted and edited changes
- Demo required, no public pricing
- Targets large law firms
- Few details on supported contract types
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 mixus if you want:
- Works in email and Word
- Attorney approval on every output
- Learns from accepted and edited changes
Watch out: demo required, no public pricing.
Dioptra vs mixus FAQ
What is the difference between Dioptra and mixus?
Dioptra: AI contract redlining inside Microsoft Word for legal teams. mixus: Email-based AI agents for legal redlines and drafts. Both are legal, finance & hr tools.
Is Dioptra or mixus cheaper?
Dioptra starts at $450/mo and mixus starts at See pricing page. Check both pricing pages for current plans.
Do Dioptra and mixus have free plans?
Dioptra: No, 7-day trial. mixus: No.
Who makes Dioptra?
Dioptra is made by Dioptra.
Who makes mixus?
mixus is made by mixus.
Which should I choose, Dioptra or mixus?
Choose Dioptra if you value works inside microsoft word and builds playbooks from your contracts. Choose mixus if you value works in email and word and attorney approval on every output.