Salesforce to buy Cresta for reported $2.7B, putting voice AI at the core of Service Cloud

Bundling is the point. Salesforce already agreed to pay $3.6 billion for Fin, formerly Intercom, and $5.66 billion for Braze this year, so Cresta's voice agents can be sold as part of one stack rather than as a standalone tool. Rivals are pitching the opposite: Observe.AI's new headless deployment puts its assistant inside whatever CRM desktop a company already runs. What buyers still cannot see is the price list. Salesforce did not disclose terms, and neither company has said how Cresta will be integrated or priced after the deal closes.

Salesforce puts voice at the center of Service Cloud

Salesforce announced the Cresta agreement on 2 November 2026, describing a platform that combines voice agents, tools for human representatives and conversation analysis. The company did not disclose financial terms in its announcement; The Information reported the price at $2.7 billion. Salesforce called Cresta a voice-first operating system for customer experience. Kishan Chetan, executive vice president and general manager of Agentforce and Service Cloud, framed voice as the most difficult and consequential service channel. Marriott, Comcast and Alaska Airlines are among the brands running Cresta at enterprise scale, according to Unite.AI.

Cresta chief executive Ping Wu said the combination would embed real-time conversation intelligence and agentic experiences directly into Salesforce's customer service platform.

A year of multibillion-dollar CX deals

Cresta is Salesforce's second multibillion-dollar customer service acquisition this year, after Fin Inc., formerly Intercom Inc., at $3.6 billion. The largest deal is Braze Inc. at $5.66 billion, signed last month. The reported $2.7 billion Cresta price sits below both. Salesforce expects to close Braze and Cresta in fiscal 2028, which starts next February. Unite.AI reported that the Cresta transaction should close in the first quarter of that year, subject to regulatory approvals and customary closing conditions.

Three deals, three slices of the same service workflow: answering questions, marketing to customers and now talking to them on the phone.

What Cresta brings beyond a chatbot

Cresta's agents use shared memory to preserve context across channels, handoffs and transitions between human and AI agents, according to Unite.AI's account of the product documentation. They connect to CRM, billing and scheduling systems using secure function calling and MCP support for tool access. Agentic Assist gives human representatives real-time hints, reminders and workflows, its knowledge system produces source-backed answers, and customizable summaries cut after-call work. Conversation Intelligence auto-scores agent behaviors across every conversation and feeds personalized coaching plans.

Cresta's automation planning ranks topics by frequency, complexity and resolution outcomes to pick which requests get an agent first.

SiliconANGLE described a wider set of agents: Deputy collects the information needed for complex tickets and loops in the relevant workers, Opera fine-tunes models for specific service use cases, and Synthetic Customers generates test conversations to check reliability. Cresta combines reasoning with deterministic code that tracks conversation state and enforces required workflow steps, plus system-level guardrails. Governance is the counter-argument. Karthik Suri, chief product and corporate strategy officer at Sprinklr, told CX Today that trust is the foundation that enables scale, and that without governance organizations hesitate to expand AI adoption.

The alternatives are selling openness and speed

Observe.AI announced its Headless Companion Agent on 3 November 2026, a deployment model that pushes real-time guidance and automation into existing CRM and agent desktop experiences without adding another application or window. The system processes conversations and sends structured events to customer-configured endpoints, so the company decides where guidance appears and what it triggers. After a call it can generate summaries, update systems of record and start downstream workflows. Chief executive Swapnil Jain said CX leaders should not have to redesign the agent desktop to take advantage of AI.

Speed is the other pitch. Ubase said two patent filings cover AICC conversation technology that cut response times to under 0.8 seconds, from an average of 2 to 3 seconds with a single language model.

KT Corp built its own. The Korean telecom operator said its generative AI voicebot handles an average of 1.2 million inquiries a month, and that first-contact resolution rose 4 percentage points, from 77 percent to 81 percent. Its AI consultation assist tool cut average call handling time by 31 seconds, or 11 percent, and agent turnover declined slightly. Ubase chief executive Mok Jin-won said the AI customer service market is still in an early stage of growth, which makes core technology worth securing.

What to watch before the deal closes

The Cresta transaction is expected to close in the first quarter of Salesforce's fiscal 2028, subject to regulatory approvals and customary closing conditions. Salesforce expects both Cresta and Braze to close in that fiscal year, which starts next February. The $2.7 billion figure remains a press report: Salesforce did not disclose terms, and neither company has detailed how Cresta will be integrated or priced after close.

Cresta's enterprise references, including Marriott, Comcast and Alaska Airlines, are part of what Salesforce is buying, not just the code.

Buyers now have two visible paths: an embedded tool inside an existing desktop, as Observe.AI is selling, or an in-house build, as KT Corp has done. Salesforce is betting on a third, one vendor for the whole stack. Whether customers want that is the question the deal's first year will answer.