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。
2025年11月5日Sierra Agent OS 2.0: from answers to memory and actionAt 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 ServiceSierra 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 reviewSierra 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.
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.
Golden articles: Evaluating and improving search Search evaluation shouldn’t be static — it should reflect what actually helps resolve real customer issues. By measuring performance daily against production conversations and feeding those signals back into the system, we've built a continuously improving system for resolving customers’ needs. 2026年4月14日
An industry first: Sierra launches fully PCI-compliant paymentsSierra is introducing the first Level 1 PCI-compliant payment capability for AI agents across chat and voice. Now, agents can handle the complete transaction within one conversation – no holds or transfers. 2026年4月7日
Meet Linnaeus and Darwin: Search models that drive higher resolution ratesOur purpose-built retrieval and reranking models outperform off-the-shelf ones, driving up to 16 percentage point improvements in resolution rates.2026年4月3日
Eric Eyken-Sluyters joins Sierra as President of Field OperationsWe are excited to announce that Eric Eyken-Sluyters will be joining Sierra to lead our global Sales, Sales Engineering, and Partnerships teams.2026年4月1日
Explorer: The agent-optimizing agentExplorer is Sierra's agent-optimizing agent — continuously analyzing conversations in the background, surfacing what's happening, why, and exactly what to do about it. Here's how hundreds of businesses are using it to continuously improve their agents and customer experience.2026年4月1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。2026年3月27日
Agents as a ServiceSierra 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3月25日
No worries vs please hold: Sierra comes to AustraliaWe're excited to share that we are opening an office in Sydney, Australia, where we'll partner with leading companies to deliver faster, more human customer experiences.2026年3月23日
𝜏³-Bench: Advancing agent benchmarking to knowledge and voice𝜏³-Bench is here. We've expanded agent evaluation to two new frontiers: knowledge retrieval and voice.2026年3月18日