Releases

18 matching — model launches, API releases, product updates, financial events and news.

Date	Release	Company	Type	Value	Source
Feb 13, 2024	Sierra launches Agent OS Sierra Agent OS · Agent OS	Sierra	Product launch	—	Sierra
Oct 6, 2024	Sierra launches Voice Sierra Voice · Sierra Voice	Sierra	Product launch	—	Sierra
Sep 4, 2025	Sierra reports hundreds of enterprise customers Sierra reported hundreds of customers across financial services, healthcare, telecommunications, retail and consumer services.	Sierra	User count	100 enterprise customers	Sierra
Sep 4, 2025	Sierra raises $350M Sierra raised $350 million in additional capital led by Greenoaks to expand Agent OS and its international business.	Sierra	Funding round	$350M	Sierra
Sep 18, 2025	Sierra launches Agent Studio Sierra Agent Studio · Agent Studio	Sierra	Product launch	—	Sierra
Nov 5, 2025	Sierra launches Agent Data Platform Sierra Agent Data Platform · Agent Data Platform	Sierra	Product launch	—	Sierra
Nov 5, 2025	Sierra launches Agent OS 2.0 Sierra Agent OS · Agent OS 2.0	Sierra	Feature update	—	Sierra
Nov 5, 2025	Sierra launches Agent Studio 2.0 Sierra Agent Studio · Agent Studio 2.0	Sierra	Feature update	—	Sierra
Nov 21, 2025	Sierra reaches $100M ARR Sierra announced that it reached $100 million in annual recurring revenue seven quarters after its public launch.	Sierra	Revenue disclosure	$100M	Sierra
Feb 6, 2026	Sierra exceeds $150M ARR Sierra reported more than $150 million in annual recurring revenue as it entered its third year.	Sierra	Revenue disclosure	$150M	Sierra
Mar 25, 2026	Sierra introduces Ghostwriter Ghostwriter · Ghostwriter	Sierra	Product launch	—	Sierra
Mar 31, 2026	Sierra headcount estimate Revelio Labs estimated Sierra's workforce at approximately 756 employees in the first quarter of 2026.	Sierra	Employee count	756 employees^†	Revelio Labs
May 4, 2026	Sierra serves over 40% of the Fortune 50 Sierra reported serving more than 40% of the Fortune 50, with agents on its platform powering billions of customer interactions.	Sierra	User count	40 % of Fortune 50	Sierra
May 4, 2026	Sierra raises $950M Sierra raised $950 million from new and existing investors led by Tiger Global and GV.	Sierra	Funding round	$950M	Sierra
Jul 16, 2026	Sierra launches Horizon Agents Horizon Agents · Horizon	Sierra	Product launch	—	Sierra
Aug 7, 2026	Sierra launches Voice Personas Sierra Voice Personas · Voice Personas	Sierra	Product launch	—	Sierra
Sep 28, 2026	Ghostwriter expands to Slack and Teams Ghostwriter	Sierra	Feature update	—	Sierra
Oct 7, 2026	Sierra open roles snapshot A third-party company tracker listed 53 open roles at Sierra.	Sierra	Open roles	53 open roles^†	The Consensus

1–18 of 18 releases

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