Side-by-side comparison · Legal, Finance & HR
CoCounsel vs Luminance
Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.
Comparing 2 tools. Add one more if you like.
At a glance
Overview
| Attribute | CoCounsel | Luminance |
|---|---|---|
| In one line | Thomson Reuters' legal AI for research, drafting and document review, built on Westlaw. | Contract review, negotiation and contract management for in-house legal teams. |
| Pricing model | Paid | Paid |
| Starting price | See website | See website |
| Free plan | No | No |
| Works with Claude Code | Yes | No |
Rating breakdown
Our scores out of 5. The higher bar in each row is highlighted.
| Attribute | CoCounsel | Luminance |
|---|---|---|
| Overall rating | 3.8Winner | 3.7 |
| Ease of useHow quickly someone non-technical gets value from it. | 4.0 | 3.5 |
| FeaturesHow completely it covers its own job, and how well the pieces fit together. | 4.5 | 4.5 |
| Output qualityHow good the results are before you fix them. | 4.0 | 4.0 |
| Value for moneyWhat you get for the price, including the free plan. | 3.0 | 2.5 |
| Speed & reliabilityHow fast it is and how often it falls over. | 3.5 | 4.0 |
Feature comparison
A tick means it does this today. A dash means we haven't checked.
| Attribute | CoCounsel | Luminance |
|---|---|---|
| Access & platform | ||
| Free plan | No | No |
| Mobile app | – | – |
| Desktop app | – | – |
| Browser extension | – | – |
| API access | Yes | – |
| Teams & business | ||
| Team workspace | Yes | Yes |
| Enterprise plan or SSO | Yes | Yes |
| Connects to other apps | Yes | Yes |
| Open source or self-hosted | No | No |
| AI abilities | ||
| Works with your files | Yes | Yes |
| Understands images | – | – |
| Makes images | No | No |
| Makes video | No | No |
| Writes code | – | – |
| Runs agents or automations | Yes | Yes |
| Learns your brand or style | – | – |
| Works in many languages | – | Yes |
| Capabilities score | 6/ 17 | 6/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | CoCounsel | Luminance |
|---|---|---|
| Plans | CoCounsel Essentials Custom Firms adding AI to an existing Westlaw or Practical Law plan. | EnterpriseOur pick Custom Legal teams buying a full contract platform. |
CoCounsel LegalOur pick Custom Teams that want the full research, review and drafting set. | ||
| Which plan to pick | Talk to your Thomson Reuters account manager, since price depends on your Westlaw contract. Ask for a trial on real matters and compare the full CoCounsel Legal tier with the cheaper Essentials bundle before you choose. | There is one route in: book a demo and get a quote. Ask which modules you actually need, since many teams only need Negotiate to start. |
Key features
Pros and cons
| Attribute | CoCounsel | Luminance |
|---|---|---|
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Who each one is for
| Attribute | CoCounsel | Luminance |
|---|---|---|
| Best for |
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Questions people ask
Which is better, CoCounsel or Luminance?
CoCounsel scores highest overall in our ratings (CoCounsel 3.8/5 and Luminance 3.7/5). CoCounsel is best for legal research with linked case citations and drafting briefs and memos. Luminance is best for high-volume contract negotiation and finding risks and renewal dates across all your contracts.
Which is cheaper, CoCounsel or Luminance?
CoCounsel: Pricing isn't published; check the vendor's site for a quote. Luminance: Pricing isn't published; check the vendor's site for a quote.
Which is easier to use, CoCounsel or Luminance?
CoCounsel rates highest for ease of use in our scores. Law firms and legal teams, mostly in the US, that already use Westlaw or Practical Law.
How we compare
Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.
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