Clausehound vs Dioptra (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Clausehound does not list a price
Free plan
Tie
Neither has one
Higher rating
Dioptra
3.5 against 3.7
Same job?
Yes
Both are Legal AI tools

Side by side

Compared on	Clausehound	Dioptra
Our rating	3.5	3.7Better
Starts at	Not listed	Not listed
Free plan	No	No
Category	Legal AI	Legal AI
Plans	See pricing	See pricing
Key features	Multi-layered AI prompting over your own document repository Self-curated collections rather than an undifferentiated corpus Contextual sourcing attached to every response Document data structuring and tagging Comparative research across agreements	AI redlining driven by your own playbooks Learns from previously executed contracts Marks up against your accepted positions, not generic standards Published pricing and self-serve signup Demo path for evaluation
Pros	Sourced answers are usable by lawyers in a way unsourced ones are not Comparative research across many agreements rather than serial reading Quality control built into the response, not bolted on after	Redlining against your executed contracts beats generic template comparison Playbook-driven, so it encodes positions your team already holds Pricing and signup published rather than sales-gated
Cons	Curating collections is real up-front work before value appears No public pricing Output informs professional judgement rather than replacing it	Recently acquired by Icertis - ask about roadmap and integration before a long commitment Requires a body of executed contracts and playbooks to work well Redlines inform a lawyer's judgement, they do not replace it
Company	Clausehound	Dioptra (Icertis)

Prices come from each vendor's pricing page, last checked 20260901. Check the vendor before you buy.

FAQ

Questions people ask

Is Clausehound better than Dioptra?

In our reviews Clausehound scores 3.5 and Dioptra scores 3.7. The better pick depends on the job. Clausehound: Prompt your own contract repository in curated collections, with contextual sourcing and quality control built into every response. Dioptra: AI contract redlining that works from your own playbooks and previously executed contracts, rather than generic legal templates.

Which is cheaper, Clausehound or Dioptra?

Clausehound: see pricing. Dioptra: see pricing.

Do Clausehound and Dioptra have free plans?

Neither lists a free plan.

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