mixus is a legal AI agent platform for attorneys that works through email and Word to produce redlines, deal models, drafts, analysis, and reviewable work product with firm-level oversight.
mixus is a legal AI agent platform designed for attorneys and law firms. It works through the tools lawyers already use, especially email and Microsoft Word, to return redlines, drafts, analysis, issues lists, and deal models as reviewable work product.
The platform is built around attorney-in-the-loop workflows, firm-level oversight, and playbooks learned from prior work and reviewer decisions. mixus is especially relevant for legal teams that want AI assistance for contract redlines, diligence, deal modeling, drafting, and document review while preserving professional judgment and review controls.
Email-native workflows : Send work by email, CC reviewers, and receive output back in the same working style attorneys already use.
AI Redline Review : Return contract markups with track changes, cited reasons, and an issues list.
Deal modeling : Generate cap tables, M&A waterfalls, down rounds, and bespoke structures as editable Excel files with live formulas.
Word Add-in : Bring mixus into Microsoft Word so attorneys can accept, edit, or dismiss suggestions without switching tools.
Playbooks : Capture preferred positions, fallback language, unacceptable terms, and review decisions by client, contract type, or practice area.
Reviewer learning : Accepted, edited, and dismissed suggestions improve future runs and can become proposed rules.
Firm oversight : Attorneys approve work before it becomes standard, keeping legal judgment in control.
Enterprise trust : Site references SOC 2 Type II, ISO 27001, GDPR, HIPAA, encryption, BYOK, and zero data retention by model providers.
✔ Strong fit for law firms and legal teams with repeatable review workflows.
✔ Works through email and Word instead of forcing attorneys into a new interface.
✔ Track changes, cited reasons, and issues lists make AI output easier to review.
✔ Playbooks help align AI suggestions with firm and client preferences.
✔ Security posture is aimed at enterprise legal teams.
✖ Pricing is not publicly listed; teams must book a demo.
✖ Best suited for legal professionals, not general-purpose document users.
✖ Effective setup depends on prior examples, playbook quality, and reviewer adoption.
✖ AI legal outputs must always be reviewed by qualified attorneys.
| Plan | Type | Price | Usage Limit | Inclusions |
|---|---|---|---|---|
| Platform Demo | Custom / sales-led | Not publicly listed | Custom by firm/workflow | Email-native legal agents, redline review, deal modeling, Word add-in, playbooks, review decisions, firm oversight, and security controls. |
| Enterprise Legal Deployment | Custom | Contact sales | Custom | Workflow selection, playbook setup from prior examples, real-output review, trust/governance controls, and legal team rollout. |
Source: mixus.ai (book a demo to verify pricing).
mixus is used for legal AI workflows such as contract redlines, deal modeling, drafting, analysis, Word-based review, and email-native attorney workflows.
No. mixus is attorney-in-the-loop; attorneys review, approve, edit, or dismiss suggestions before work becomes final.
No public pricing table is shown on the official site. Teams should book a demo for current pricing and deployment details.
| Key Features |
mixus
Active | 
shadcn/ui | 
v0 | 
Zapier |
|---|---|---|---|---|
| Review Score | 9.2/10 | 9.8/10 | 9.6/10 | 9.5/10 |
| Pricing Model | Custom / Demo-based | Free / Open Source | Freemium / Usage-Based / Enterprise | Freemium |
| Free Plan | ✖ No | ✔ Yes | ✔ Yes | ✔ Yes |
| Starting Cost | Premium | Free | Freemium | Freemium |
| Details Page | Active Page | Compare | Compare | Compare |
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