Quick Answer
Last verified:
Medium confidence

Casetext CoCounsel (Thomson Reuters) costs $225 to $900 per user/month as of May 2026. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: No free tier available
Last verified:
+-100% above list price
Know Before You Buy — See Casetext CoCounsel (Thomson Reuters) Plans

Casetext CoCounsel (Thomson Reuters) true cost runs -100% above the listed $225-$900/user/month price as of May 2026. For a 25-person team, expect ~$563 in year-one costs vs the $150,000 base license. Key hidden costs: forced migration after thomson reuters acquisition, supplemental legal research subscription still needed, pricing uncertainty post-acquisition. Verified from 1 sources by CostBench.

Hidden Costs Breakdown

1

Forced Migration After Thomson Reuters Acquisition

critical migration

Casetext's standalone platform was discontinued effective March 31, 2025, after acquisition by Thomson Reuters. Users holding legacy pricing agreements—including 'locked in for life' promotional subscriptions—were required to transition to new Thomson Reuters pricing at significantly higher rates, effectively nullifying favorable legacy contracts.

reddit

I signed up for Casetext in 2019 under their "locked in for life" promotion... I haven't talked to Westlaw yet about the new price. Anti-trust lawsuit, breach of contract...

reddit

I currently have a Lifetime Access subscription to Casetext, which I purchased for a monthly payment of $96.99. I would like to know if this existing agreement will be honored, or if alternative options will be available to me.

2

Supplemental Legal Research Subscription Still Needed

high addon

CoCounsel does not include Westlaw's editorial case synopses, which many attorneys rely on to quickly scan case relevance before reading full opinions. This gap often requires maintaining a separate Westlaw or Lexis subscription alongside CoCounsel, significantly increasing total research costs.

reddit

I wouldn't switch fully to Casetext though because the don't write synposes for their cases, and it makes researching a lot slower.

reddit

If I had to do it again, I would stay with my lower level Westlaw subscription and then add Casetext AI as a separate subscription, even though there would be redundancy, because it adds up to about the same price.

3

Pricing Uncertainty Post-Acquisition

medium overage

Following the Thomson Reuters acquisition, attorneys who negotiated favorable contract extensions report uncertainty about what pricing will look like at next renewal. Legacy subscribers expect pricing to align with comparable Lexis or Westlaw tier pricing, which can be substantially higher.

reddit

I managed to sneak an extension of my service contract for another year. But, I expect the pricing to be competitive with the same class of Lexis plan.

reddit

I got in with Casetext years ago so I'm at $40 bucks a month, but I do expect now that Westlaw bought them that will change.

Example: True Cost for 25 Users

License (25 × $500 × 12) $150,000/yr
Forced Migration After Thomson Reuters Acquisition +50-400% of original license costs
Supplemental Legal Research Subscription Still Needed +$75-$600/user/month
Pricing Uncertainty Post-Acquisition +5-50% of license costs
Estimated Year 1 Total ~$563
That's roughly 0.0× the advertised license price.

Frequently Asked Questions

01 What hidden costs should I budget for with Casetext CoCounsel (Thomson Reuters)?

Beyond the license fee, budget for: Forced Migration After Thomson Reuters Acquisition (50-400% of original license costs); Supplemental Legal Research Subscription Still Needed ($75-$600/user/month); Pricing Uncertainty Post-Acquisition (5-50% of license costs). Total ownership typically runs -100% higher than the listed price.

02 Does Casetext CoCounsel (Thomson Reuters) charge for implementation?

Implementation costs for Casetext CoCounsel (Thomson Reuters) vary by deployment size and customization. Contact the vendor or check our sourced hidden-cost breakdown above for verified figures.

03 How much does Casetext CoCounsel (Thomson Reuters) support cost?

Premium support pricing for Casetext CoCounsel (Thomson Reuters) depends on your tier and contract terms. See the sourced cost breakdown above for any verified figures we have.

04 Are there overage or storage costs with Casetext CoCounsel (Thomson Reuters)?

Following the Thomson Reuters acquisition, attorneys who negotiated favorable contract extensions report uncertainty about what pricing will look like at next renewal. Legacy subscribers expect pricing to align with comparable Lexis or Westlaw tier pricing, which can be substantially higher. Estimated impact: 5-50% of license costs.

05 What add-ons cost extra with Casetext CoCounsel (Thomson Reuters)?

Add-on pricing for Casetext CoCounsel (Thomson Reuters) varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

Now You Know the Real Cost — See Casetext CoCounsel (Thomson Reuters) Plans