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review AI agent

Derive your playbook from precedents, review agreements consistently and generate redlines in Microsoft Word.
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Wondering why people love Dioptra?
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"I would never have guessed this redline was done by an AI. It's kind of scary."
Partner @ BigLaw
California
"It's embarrassing to say but Dioptra schooled me a few times on things I missed. It's consistently good."
Chief Commercial Counsel @ Large Tech Company
New York City
“What I LOVE about Dioptra is that it helps me quickly figure out what I should be looking for and gives me everything I need to do my review: the company guideline, an explanation of why it’s important and a good draft of the redlines"
Associate @ BigLaw
California
"Dioptra is producing, by far, the best quality redlines from all the tools I tested. And I tested a number!"
Boutique Law Firm Partner
New York City
“You know this feeling when you have to get your brain going to review a badly drafted agreement? With Diopta, I was able to just drop it in. And a review that would have taken me 45 min of painful intellectual labor was done in 10.”
Senior associate @ Biglaw
Virginia
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California
"It was great working with Dioptra. They are fast, reactive. Great product and service"
Founder @ Tech Startup
New York
"They all say they do redlining (CLMs, end point solution vendors…), but what they really do is rip and replace!"
Partner & Technology Chair @ Biglaw
Illinois
"Sometimes the AI is just way smarter than me!"
SMB Business Owner
Canada
"I tested more than a dozen other redlining tools (CLMs, endpoint solutions, big players etc). This is just the best."
Chief Innovation Officer @ BigLaw
California

Trusted by companies big and small

Forbes
“Dioptra’s accuracy in complex contract review, and the level of autonomy it offers, makes it a substantial breakthrough in legal AI.”
Read the article

Customizable and Interoperable

From customizable playbooks to surgical redlines right in the Microsoft Word add-in, we’ve got you covered.
Explore all features

Playbooks or Precedents

Generate redlines that abide by your playbook. If you don’t have a playbook, Dioptra will create a playbook from past agreements.

Word Add-in

You can review your contract in Word, using Dioptra Add-in. Integrate with your document repository with our APIs.

Issues Lists & Summaries

Generate Issues lists to streamline communication pre-execution, and post execution summaries to surface what’s been signed.

1st & 3rd party contracts

Dioptra is consistently accurate for first and third party contracts, equally.

Transparent and consistently accurate

Our accuracy metrics are end-to-end—from issue detection to redlining outputs. We continuously measure our accuracy on proprietary benchmarking datasets.

95%

1st party papers

92%

3rd party papers

94%

Issue detection
“This is a Sputnik moment. Partner assessment of a piece of work is the hardest test there is, especially when there are sections of a contract that may have 20 different aspects to them, which if changed alter other parts of the agreement. Dioptra does not rip and replace. It minimizes redlining and leverages existing language.”
David Wang
Former CIO of Wilson Sonsini
Artificial Lawyer
Read the article

Secure by design

Your data is your data. Dioptra is SOC 2 Type II compliant and trusted by the world’s best legal teams.
Go to Security Portal
SOC 2 Type II compliant
No training on user data
On-prem deployment

Use cases

Apply it to real world use cases.
Read customer stories

Commercial Contracts

Dioptra takes the first pass of redlining based on your preferences to accelerate complex contract reviews and automate lower risk contracts.

Low Risk Contract Automation

Automate the review of low risk procurement contracts.

Due Diligence

Detect issues across your suite of legal documents

NVCA Financing

Dioptra checks that your financing agreements are consistent and aligned with your term sheet.

Post-Execution Analyses

Dioptra extracts terms into individual summaries and/or aggregated reports to keep a holistic view of the past contracts you signed.

Integrations

Our APIs allow seamless integrations with CLMs and DMS systems.

Supercharge contract review with Dioptra AI today.

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