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“It’s also an absolute beast to set up, but once you get there it is incredibly powerful and the UI is slick.”

On r/legaltech · Oct 18, 2025
Unverified voice about Luminance

Said in “AI Tools I Use as an In-House Lawyer”

Verbatim from a public post, checked against the original on every build. How we quote.

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r/legaltech
Luminance
“From my experience, Luminance works well And it’s workflow capabilities are not something that other platforms have.”
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4 more voices in this thread
  • r/legaltech · Nov 7, 2024LuminanceCriticizes“The system is still not able to indicate a CoC clause, as in one instance the solution indicated that a CoC clause was Article 4 (but the Article 4 was something completely different).”open
  • r/legaltech · Oct 26, 2024LuminanceValues“As I mentioned, Luminance is a decent product, however each product will have strengths and weaknesses.”open
  • r/legaltech · Oct 26, 2024LuminanceValuesChose Luminance after testing on 50 documents for its AI extraction and easy UI, though niche data points need many training tags. (summary, not a quote)open
  • r/legaltech · Oct 25, 2024LuminanceCriticizes“The results are not as great as we have been promised.”open
r/legaltech
Luminance
“My comments about how Luminance didn't work at all for me have been downvoted multiple times and there's a four year old account with zero previous comments coming to life and saying Spellbook is great.”

in “Luminance vs Spellbook? Or other contract review software?” · 9 voices

CriticizesAccuracyUnverified voice
8 more voices in this thread
  • r/legaltech · May 23, 2025ValuesMoved from Spellbook to Gavel Exec after trying Ivo, finding it gives the best and most contextual redlines across corporate documents, and found Luminance too expensive. (summary, not a quote)open
  • r/legaltech · Apr 10, 2025SpellbookNeutral“In today's demo with Spellbook, the representative specifically told us that due to the OpenAI/Claude limit, it translates (with the various embedded prompts that make their system what it is) to 150-200 pages (depending upon document density).”open
  • r/legaltech · Dec 29, 2024SpellbookMixed“I would choose Spellbook over Luminance. All of them seem to have both good and not so good elements, which is likely a function of a) the current state of Gen AI, b) not enough solid training data, and c) user expectations not aligning with the reality.”open
  • r/legaltech · Dec 18, 2024SpellbookMixed“Spellbook, I like the way it looks and feels better, but you have to build your own playbooks and I don't have the time to do that and can't do it at the level that IVO did.”open
  • r/legaltech · Dec 18, 2024MixedThe author finds the tool's interface poor and its quality below most alternatives, but it works better than Luminance and is nearly free. (summary, not a quote)open
  • r/legaltech · Dec 17, 2024LuminanceNeutralThe author heard a partner at a law firm uses Luminance and had high expectations, without giving an evaluation. (summary, not a quote)open
  • r/legaltech · Dec 17, 2024SpellbookValues“I am an attorney and think Spellbook is stellar.”open
  • r/legaltech · Dec 17, 2024LuminanceCriticizes“I tried luminance and it was worse than useless. Could not even pick out an effective date in our demo.”open
r/legaltech
Luminance
“As I mentioned, Luminance is a decent product, however each product will have strengths and weaknesses.”
ValuesContract reviewUnverified voice
4 more voices in this thread
  • r/legaltech · Nov 7, 2024LuminanceCriticizes“The system is still not able to indicate a CoC clause, as in one instance the solution indicated that a CoC clause was Article 4 (but the Article 4 was something completely different).”open
  • r/legaltech · Oct 26, 2024LuminanceValues“From my experience, Luminance works well And it’s workflow capabilities are not something that other platforms have.”open
  • r/legaltech · Oct 26, 2024LuminanceValuesChose Luminance after testing on 50 documents for its AI extraction and easy UI, though niche data points need many training tags. (summary, not a quote)open
  • r/legaltech · Oct 25, 2024LuminanceCriticizes“The results are not as great as we have been promised.”open