mixus
mixus is an email-native, Word-integrated legal AI agent platform that automates contract redlines, deal modeling, and repeatable legal workflows while retaining attorney oversight and firm-level playbooks.
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Best for: Legal
What it does
Legal software for decision-makers comparing workflow fit and alternatives.
Best fit
Legal
Pricing snapshot
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mixus is a legal AI-agent platform designed for law firms and attorneys that operates within familiar tools (email and Microsoft Word). It enables attorneys to send work by email or use a Word add-in and receive redlines, drafts, analyses, and Excel deal models as reviewable files while keeping attorneys in the approval loop. The platform builds firm-specific playbooks from prior deals, approved language, and reviewer decisions so future runs reflect the firm's standards and reduce repetitive drafting work.
Multiplayer AI chat platform for co-intelligence.
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Claim this listing for $29Key Features
Email-native AI agents
Send work by email and have the agent work in the same thread; forward matters and CC reviewers so the agent returns reviewed work in the email thread.
AI Redline
Contract markups returned with track changes, a cited reason for every change, and a full issues list for attorney review.
Deal Modeling
Generates Excel (.xlsx) models (cap tables, M&A waterfalls, down rounds, bespoke structures) with live formulas ready to edit; models returned in under 15 minutes.
Microsoft Word add-in
Allows attorneys to accept, edit, or dismiss suggestions directly in Word to avoid context switching.
Firm Playbooks & Memory
Playbooks capture firm review preferences by client, contract type, or practice area; repeated reviewer decisions become proposed rules and firm-approved positions are versioned.
Reviewer-in-the-loop workflow
Attorneys review and approve outputs; accepts, edits, and dismissals improve future runs and generate proposed rules.
Trust & governance / Security
Enterprise-grade security posture with links to Trust & Governance details and features such as SOC 2, ISO standards, encryption, and BYOK mentioned on the site.
Pricing
Current pricing details are not available from the vendor source.
Use Cases
Contract redlining and review
Automate markups and produce track-changed documents with reasons and an issues list for attorney review.
Deal modeling and finance outputs
Produce editable Excel deal models (cap tables, M&A waterfalls, down rounds) with live formulas based on firm precedent.
Repeatable legal workflows
Standardize common tasks—diligence extraction, data extraction, or frequently handled contract types—by building playbooks from prior agreements and reviewer decisions.
In-place drafting within Word
Enable attorneys to accept/edit/dismiss suggestions inside Microsoft Word via the add-in to avoid tool switching.
Integrations
Microsoft Word add-in
Brings mixus into Microsoft Word so attorneys can accept, edit, or dismiss suggestions in place.
Slack integration
Site navigation lists a Slack integration (enables workplace integration via Slack).
Excel (.xlsx) outputs
Deal models are returned as real .xlsx files with live formulas, ready for editing in Excel.
Benefits
Limitations
No verified limitations are available.
Frequently Asked Questions
No verified FAQs are available.
Getting Started
- 1 Step 1: Choose one repeatable legal workflow (redlines, diligence, deal models, data extraction, etc.).
- 2 Step 2: Build a playbook from past agreements or models so reviewers can edit and approve firm-preferred language.
- 3 Step 3: Go live: review real output and approve results so each review improves future runs.
Support
docs
Documentation is listed in the site navigation (Documentation).
demo
Book a demo via the site call-to-action to see how mixus fits firm workflows.
API
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