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Head to head · 2026

Dioptra vs goHeather

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Dioptra

AI contract redlining that works from your own playbooks and previously executed contracts, rather than generic…

3.7Not listed

Visit Dioptra (opens Dioptra in a new tab)

goHeather

Lawyer-trained AI that redlines contracts against a playbook and explains risk in plain English

4.0$99/mo

Visit goHeather (opens goHeather in a new tab)

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: Dioptra does not list a price

  • Free plan

    goHeather

    Only goHeather has one

  • Higher rating

    goHeather

    3.7 against 4.0

  • Same job?

    Yes

    Both are Legal AI tools

Side by side

Compared onDioptragoHeather
Our rating3.74.0Better
Starts atNot listed$99/mo
Free planNoYesBetter
CategoryLegal AILegal AI
PlansSee pricingFrom $99/mo
Key features
  • 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
  • Contract redlining against built-in or custom legal playbooks
  • Plain-English risk explanations tied to specific clauses
  • Jurisdiction-aware review localized to the user's region
  • Automatic detection of which contracting party the user represents
  • One-click application of AI-suggested edits
Pros
  • 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
  • Free tier lets a user test a real contract before committing to a plan
  • Explains flagged risk in plain language instead of legal jargon alone
  • Built by a team with legal-industry background, not a generic AI wrapper
Cons
  • 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
  • Explicitly not a substitute for a lawyer, per the company's own disclaimer
  • Starter plan pricing sits near $99/month, above several AI contract tools
  • Small company (2-10 employees) with a limited support team
CompanyDioptra (Icertis)goHeather, founded 2021

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

FAQ

Questions people ask

Is Dioptra better than goHeather?

In our reviews Dioptra scores 3.7 and goHeather scores 4.0. The better pick depends on the job. Dioptra: AI contract redlining that works from your own playbooks and previously executed contracts, rather than generic legal templates. goHeather: Lawyer-trained AI that redlines contracts against a playbook and explains risk in plain English.

Which is cheaper, Dioptra or goHeather?

Dioptra: see pricing. goHeather: from $99/mo.

Do Dioptra and goHeather have free plans?

Only goHeather has a free plan.

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