Sierra ブログ

2026年3月27日

Sierra、日本発のAI企業「OPERA TECH」を買収

本日、Sierraは東京を拠点とするエンタープライズAI企業、株式会社OPERA TECHを買収したことを発表いたします。

Text: Sierra acquires Opera Tech in Japan.

2025年11月5日

Sierra Agent OS 2.0: from answers to memory and action

At Sierra Summit, we unveiled the future of AI agents: a single agent that works across every channel, learns from every interaction, and builds real customer relationships. With eight new products, including Agent Studio 2.0 and the Agent Data Platform, Sierra is turning the promise of AI-powered customer experience into reality.

2026年3月25日

Agents as a Service

Sierra is reimagining software for the agent era—where you simply describe the outcome, and intelligent agents build, execute, and continuously improve the work for you. Meet Ghostwriter, the agent that creates and optimizes other agents, turning your ideas into production-ready customer experiences without clicks, code, or complexity.

2026年2月6日

Year two in review

Sierra is heading into year three with over $150M in ARR, powered by rapid adoption from some of the world’s largest companies. The growth reflects a simple idea: when AI is built around real jobs to be done (not experiments), even the biggest enterprises can see meaningful impact fast.

White text "Year two" on a grainy background with diagonal orange, yellow, and blue color gradients.

2025年11月5日

Introducing Agent Data Platform

Sierra’s first-of-its-kind Agent Data Platform (ADP) gives agents memory, context, and intelligence — turning every interaction into a human, personalized experience. Powered by Agent OS, ADP helps companies move from answering questions to anticipating needs.

"Workspaces" text on a blue and orange gradient.

Workspaces: move fast without breaking things

Workspaces bring multi-player mode to agent development—letting teams build in parallel across code and no-code, test thoroughly, merge safely, and release with full control.

2025年12月18日

Building in France

Sierra is expanding to France, where we'll help leading companies—from luxury houses to aerospace innovators—deliver exceptional customer experiences with AI.

2025年12月15日

Visual Attachments: A new dimension for chat agents

Chatting with an agent shouldn’t feel like decoding a wall of text. Visual attachments make multi-step conversations easier to navigate, giving people a smarter, more intuitive way to move through a flow.

2025年12月9日

Aspiring to omotenashi: Sierra launches in Japan

We're excited to share that we're opening a Tokyo office, and SoftBank Vision Fund 2 has invested in Sierra.

2025年12月4日

SiriusXM and Sierra announce a deeper collaboration with the launch of Agent Data Platform

SiriusXM will be the first business to adopt Sierra’s groundbreaking new Agent Data Platform.

2025年12月4日

Constellation of models: the architecture powering Sierra's agents

Agents built on Sierra are assembled from 15+ purpose-built models working in concert, so they can handle complex tasks with speed, precision, and on-brand execution.

2025年12月3日

The new Black Friday playbook

5 ways e-commerce leaders use AI agents to turn peak season into a competitive advantage.

2025年11月28日

Sierra hits $100M ARR milestone in 7 quarters

Sierra just hit $100M in ARR — seven quarters after we launched in February 2024. That’s a heck of a lot quicker than we expected, and makes Sierra one of the fastest-growing enterprise software companies in history.

2025年11月21日

Change agents: Safelite

How Safelite is transforming auto glass services for customers and insurance partners.

2025年11月18日

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