
Sierra
- Rank
- Score
- 47/149
- 47 out of 100
Sierra is an enterprise artificial intelligence company that helps businesses build AI agents for customer experience. It was co-founded in February 2023 by Bret Taylor and Clay Bavor, who first met while working together at Google, and its conversational AI platform lets companies deploy agents personalized to their business and customers.
Is Sierra Agent OS safe?
Sierra Agent OS scores 47 out of 100 and ranks 47 of 149, and the rating is low confidence. Its strongest category is Security, and its weakest category is Transparency.
How is Sierra Agent OS scored?
Sierra Agent OS is scored out of 100 on Safety (25%), Transparency (25%), Security (25%), and Privacy (25%). See how we score.
Safety framework
Average used24.4This outside rating doesn't cover this company, so the average of the companies it covers is used.
Pre-release testing
0Points for each confirmed yes.
- No
Was the model tested for dangerous capabilities, such as biological, chemical or cyber risks?
Company claim0/50No document found - No
Did an outside organisation test the model before release?
Company claim0/50No document found
Safety test results
Average used74.1This outside rating doesn't cover this company, so the average of the companies it covers is used.
Incident record
Not enough dataProtecting children
50Points for each confirmed yes.
- No
Does the model card report child-safety tests or safeguards?
Company claim0/50No document found - Yes
Does the privacy policy set a minimum age, or say the service is not directed at children?
Company claim50/50“The Services are not directed to children under 18 (or other age as required by local law), and we do not knowingly collect, sell, or share…” MoreLess
“The Services are not directed to children under 18 (or other age as required by local law), and we do not knowingly collect, sell, or share personal information from children.”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026
Model documentation
0Points for each confirmed yes.
- No
Does the model card describe what the model can do?
Company claim0/25No document found - No
Does the model card report test results?
Company claim0/25No document found - No
Does the model card state the model's limitations?
Company claim0/25No document found - No
Does the model card describe safety safeguards?
Company claim0/25No document found
Training-data disclosure
Average used29.9This outside rating doesn't cover this company, so the average of the companies it covers is used.
Independent transparency index
Average used40.7This outside rating doesn't cover this company, so the average of the companies it covers is used.
Transparency reports
Average used25This outside rating doesn't cover this company, so the average of the companies it covers is used.
Public safety commitments
0Average of the commitments signed.
- No
Has it signed the EU code of practice for general-purpose AI?
Company claim0/100European Commission (opens in a new tab) · 14 Oct 2026 - No
Did it sign only the safety and security chapter?
Company claim0/50European Commission (opens in a new tab) · 14 Oct 2026 - No
Has it signed the Frontier AI Safety Commitments (Seoul 2024)?
Company claim0/100Frontier AI Safety Commitments (opens in a new tab) · 14 Oct 2026
Security programme and certifications
100Points for each confirmed yes.
- Yes
Is there a way to report security flaws, such as a bug bounty?
Company claim34/34“If you believe you’ve discovered a potential security vulnerability in Sierra’s platform or service, please report it to us here.”
sierra.ai (opens in a new tab) · 20 Oct 2026 - Yes
Does it state it holds a SOC 2 Type II report?
Company claim33/33“Sierra SOC 2 Type II Audit Report (2026)”
trust.sierra.ai security page (opens in a new tab) · 20 Oct 2026 - Yes
Does it state it holds ISO 27001 certification?
Company claim33/33“3rd Party Assessments and Certifications ISO/IEC 27001:2022”
trust.sierra.ai security page (opens in a new tab) · 20 Oct 2026
Software vulnerabilities
Not enough dataData breaches
Not enough dataClear privacy policy
80Points for each confirmed yes.
- Yes
Does the privacy policy say what personal data is collected?
Company claim20/20“This includes personal information and identifiers in connection with the creation or administration of your account, such as your name, ema…” MoreLess
“This includes personal information and identifiers in connection with the creation or administration of your account, such as your name, email address, phone number, address or geolocation data, professional details, and any other information that you provide to us or that we otherwise collect.”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - No
Does the privacy policy say whether your data is used to train AI?
Company claim0/20sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - Yes
Does the privacy policy say how long data is kept?
Company claim20/20“We store the personal information we collect as described in this Privacy Policy for as long as you use our Services, or as necessary to ful…” MoreLess
“We store the personal information we collect as described in this Privacy Policy for as long as you use our Services, or as necessary to fulfill the purpose(s) for which it was collected, provide our Services, resolve disputes, establish legal defenses, conduct audits, pursue legitimate business purposes, enforce our agreements, and comply with applicable laws.”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - Yes
Does the privacy policy say who your data is shared with?
Company claim20/20“We may share your personal information with our third-party service providers and vendors that assist us with the provision of our Services.”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - Yes
Does the privacy policy explain your privacy rights?
Company claim20/20“In accordance with applicable law, you may have the right to: Request Access to and Portability of Your Personal Information, including: (i)…” MoreLess
“In accordance with applicable law, you may have the right to: Request Access to and Portability of Your Personal Information, including: (i) knowing what personal information has been collected, and information about the sources, processing purposes, and any sale or share of that information; (ii) obtaining access to or a copy of your personal information; and (iii) receiving an electronic copy of personal information that you have provided to us, or asking us to send that information to another company in a structured, commonly used, and machine readable format (also known as the “right of data portability”); Request Correction of your personal information where it is inaccurate or incomplete. In some cases, we may provide self-service tools that enable you to update your personal information; Request Deletion of your personal information; Request to Opt-Out of Certain Processing Activities, including, as applicable, if we process your personal information for “targeted advertising”, if we “sell” or “share” your personal information, or if we engage in “profiling” in furtherance of certain “decisions that produce legal or similarly significant effects” concerning you (as such terms are defined by applicable privacy laws).”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026
Training-data defaults
0100 if training is opt-in only, 50 if you can opt out, 0 if neither.
- No
Is your data used for training only if you opt in?
Company claim0/100sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - No
Can you stop your data being used for training?
Company claim0/50sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026
Export and delete your data
100Points for each confirmed yes.
- Yes
Can you get a copy of your data?
Company claim50/50“In accordance with applicable law, you may have the right to: Request Access to and Portability of Your Personal Information, including: (i)…” MoreLess
“In accordance with applicable law, you may have the right to: Request Access to and Portability of Your Personal Information, including: (i) knowing what personal information has been collected, and information about the sources, processing purposes, and any sale or share of that information; (ii) obtaining access to or a copy of your personal information; and (iii) receiving an electronic copy of personal information that you have provided to us, or asking us to send that information to another company in a structured, commonly used, and machine readable format (also known as the “right of data portability”); Request Correction of your personal information where it is inaccurate or incomplete. In some cases, we may provide self-service tools that enable you to update your personal information; Request Deletion of your personal information; Request to Opt-Out of Certain Processing Activities, including, as applicable, if we process your personal information for “targeted advertising”, if we “sell” or “share” your personal information, or if we engage in “profiling” in furtherance of certain “decisions that produce legal or similarly significant effects” concerning you (as such terms are defined by applicable privacy laws).”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - Yes
Can you delete your data?
Company claim50/50“In accordance with applicable law, you may have the right to: Request Access to and Portability of Your Personal Information, including: (i)…” MoreLess
“In accordance with applicable law, you may have the right to: Request Access to and Portability of Your Personal Information, including: (i) knowing what personal information has been collected, and information about the sources, processing purposes, and any sale or share of that information; (ii) obtaining access to or a copy of your personal information; and (iii) receiving an electronic copy of personal information that you have provided to us, or asking us to send that information to another company in a structured, commonly used, and machine readable format (also known as the “right of data portability”); Request Correction of your personal information where it is inaccurate or incomplete. In some cases, we may provide self-service tools that enable you to update your personal information; Request Deletion of your personal information; Request to Opt-Out of Certain Processing Activities, including, as applicable, if we process your personal information for “targeted advertising”, if we “sell” or “share” your personal information, or if we engage in “profiling” in furtherance of certain “decisions that produce legal or similarly significant effects” concerning you (as such terms are defined by applicable privacy laws).”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026
Privacy fines
Not enough dataIndependent privacy ratings
Average used52.9This outside rating doesn't cover this company, so the average of the companies it covers is used.
Risk governance
Average used26.6This outside rating doesn't cover this company, so the average of the companies it covers is used.
Regulator actions
Not enough dataCourt judgments
Not enough dataPrivacy contact and complaints
50Points for each confirmed yes.
- Yes
Is there a privacy contact, such as an email or a data protection officer?
Company claim50/50“If you have any questions about our privacy practices or this Privacy Policy, or to exercise your rights as detailed in this Privacy Policy,…” MoreLess
“If you have any questions about our privacy practices or this Privacy Policy, or to exercise your rights as detailed in this Privacy Policy, please contact our Data Protection Officer at privacy@sierra.ai.”
sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026 - No
Does it tell you that you can complain to a regulator?
Company claim0/50sierra.ai privacy policy (opens in a new tab) · 20 Oct 2026
Score history
Newest first. Only days when the score changed are listed.
2 Nov 2026
Score 47
Method 2 Nov 2026
+1
28 Oct 2026
Score 46
Method 28 Oct 2026, update 2
-6 · combines both 28 Oct updates (28 Oct 2026 - Update 1 and 28 Oct 2026 - Update 2)
23 Oct 2026
Score 52
Method 21 Oct 2026
+2
21 Oct 2026
Score 50
Method 21 Oct 2026
-2
20 Oct 2026
Score 52
Method Not recorded
+10 · Reason not recorded
14 Oct 2026
Score 42
Method Not recorded
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