Sierra vs Yellow.ai

Sierra Lands SoftBank as Exclusive Japan Sales Partner

Sierra AI has named SoftBank Corp. as the exclusive sales partner for its conversational AI platform in Japan, expanding a pilot with SoftBank's mobile brand LINEMO into a company-wide deployment. SoftBank plans to roll out Sierra across its flagship brands and group company services. The partnership builds on SoftBank Vision Fund 2's existing investment in Sierra. The news comes as SoftBank CEO Masayoshi Son dismissed AI bubble concerns and projected $5 trillion in annual AI investment. The deal highlights the growing race for marquee enterprise clients in the conversational AI market, with competitors like NICE, SoundHound, and Kore.ai also landing major deals. Sierra's valuation recently reached $15 billion.

• Sierra AI has been named the exclusive sales partner for its conversational AI platform in Japan by SoftBank Corp.
• SoftBank plans to expand Sierra across its SoftBank, Y!mobile, and group company services.
• SoftBank Vision Fund 2 is already an investor in Sierra.

Sierra Buys Takeoff, Launches Horizon AI Platform

Sierra, an enterprise AI company, has acquired Takeoff, a startup specializing in long-horizon AI agents. The combined teams will develop Horizon, a joint platform for long-running, outcome-driven enterprise agents that can execute multi-step tasks over days or weeks. Takeoff grew from $0 to nearly eight figures in annual recurring revenue in seven months with a three-person team, securing seven-figure contracts across five industries. The acquisition aligns with Sierra's strategy to scale industry-specific AI agents globally. Sierra recently closed a $950 million Series E at a $15 billion valuation and has over 40% of the Fortune 50 as customers. The company also achieved FedRAMP High authorization and named SoftBank Corp as its exclusive Japan sales partner, indicating expansion into federal and international markets.

• Sierra acquired AI agent startup Takeoff.
• Sierra launched Horizon, a joint platform for long-running, outcome-driven AI agents.
• Takeoff grew from $0 to nearly $10M ARR in seven months with a three-person team.

Sierra Lands CarMax as Conversational AI's Enterprise Land Grab Widens

CarMax, the largest used-car retailer in the U.S., has deployed Sierra's conversational AI agents to handle inbound sales calls since May 2026, reporting improved call resolution and fewer unresolved calls. The deal is part of a broader trend where conversational AI vendors like Sierra, NICE, SoundHound AI, Netomi, and Kore.ai are securing enterprise clients through acquisitions, investments, or partnerships. The global conversational AI market is estimated at $14.3 billion in 2025, projected to reach $78.9 billion by 2033. The article highlights that differentiation is shifting from product innovation to operational stability and scale, as hyperscalers like Google and Salesforce enter the space.

• CarMax deployed Sierra's voice AI for inbound sales calls in May 2026.
• Sierra raised $950 million at a $15 billion valuation in May 2026.
• Global conversational AI market valued at $14.3 billion in 2025, expected to grow to $78.9 billion by 2033.

Meet Nexus EDGE: The Agentic Desktop Ally Built for Employee Experience Automation

Yellow.ai has launched Nexus EDGE, a new agentic desktop solution for employee experience automation, featuring human approval on every action, on-device privacy architecture, and immediate ecosystem integration.

Yellow.ai Launches Nexus EDGE: The Agentic Desktop Ally for Employee Experience Automation

Yellow.ai announces Nexus EDGE, a desktop-based agentic AI solution for employee experience automation, featuring human approval on every action, on-device privacy architecture, and immediate ecosystem integration.

Yellow.ai to Go Public via $550M SPAC Merger with Bluerock

Yellow.ai, an enterprise agentic AI company, announced on Aug. 3 a definitive Business Combination Agreement with SPAC Bluerock Acquisition Corp. to go public on Nasdaq under the ticker 'YAI'. The combined entity has a pro forma equity value of approximately $550 million, with Yellow.ai valued at a pre-money of $300 million. The transaction is expected to generate over $200 million in gross proceeds, including $175 million from Bluerock's trust and $30 million in PIPE financing. Yellow.ai reported revenue growth from $11.6 million in FY22 to $34.8 million in FY26, projecting EBITDA-positive results by FY27. The company plans to use proceeds to invest in its AI platform, expand sales in North America and Europe, and pursue M&A of BPO operators to convert them into AI-native operations. Key investors include Lightspeed, Salesforce Ventures, Sapphire Ventures, and WestBridge Capital.

• Yellow.ai and Bluerock Acquisition Corp. signed a definitive Business Combination Agreement on Aug. 3, 2026, to make Yellow.ai public at a pro forma equity value of ~$550 million.
• Yellow.ai's pre-money valuation is set at ~$300 million; deal includes $175 million from Bluerock's trust and $30 million PIPE financing.
• Yellow.ai revenue grew from $11.6M (FY22) to $34.8M (FY26); management forecasts $37.3M for FY27 with first EBITDA-positive year.