CCartesia.ai develops advanced AI foundation models using new subquadratic architectures and state space models. Its models are designed as underlying systems that can be adapted for many applications and are released in part under open-source licenses (e.g., Apache 2.0), with licensing, partnerships, and consulting as revenue streams. The company’s products work by providing large, adaptable AI models that clients can license or customize for specific needs, enabling faster processing and efficient inference compared to traditional designs. Cartesia differentiates itself from competitors by using subquadratic, state space approaches instead of relying mainly on standard Transformer models, and by combining open-source releases with enterprise partnerships. The goal is to help businesses and research institutions access powerful, adaptable AI capabilities while building a community around its technology and sustaining revenue through licensing and services.
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2023
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AssemblyAI and Cartesia split voice agents by layer. BitRss Crypto News 5 hours ago 58 AssemblyAI and Cartesia now compete across speech synthesis, transcription and orchestration, with different language coverage, pricing and benchmarks. (Read More) BankBit shares this Content always with CC License Screenshot generated in real time with SneakPeek Suite
Voice AI agents for service business phones: what Cartesia's launch changes. Voice agents are moving from stitched prototypes to managed platforms. For local service firms, the win is after-hours intake with tight escalation, not replacing your best CSR. On October 29, 2026, Cartesia introduced Managed Agents: an end-to-end voice agent platform aimed at enterprises, with the company saying it co-designed voice models and the harness as one system. Early commentary on X treated it as a shift away from stitching speech-to-text, an LLM, text-to-speech, turn detection, tools and telephony by hand. Aastha Mhaske's summary stressed choosing an LLM, voice and tools, then letting the agent take action in the conversation. The AI Colony's write-up framed it as agents that can pick up the phone and get things done. If you run a service business, ignore the arena leaderboard for a moment. Ask a narrower question: which phone moments lose you money today because a person cannot answer? Tl;dr. * On October 29, 2026, Cartesia launched Managed Agents, an end-to-end voice agent platform that bundles speech, models, tools and telephony. * For service businesses, the practical use is structured phone intake and after-hours capture - not unsupervised quoting on complex jobs. * Design escalation paths before you buy minutes. AI drafts the ticket; your team approves anything that commits schedule or price. * Measure missed-call recovery and booking rate, not how human the voice sounds on a demo. Where voice agents help a local service firm. The honest wins look boring: * After-hours emergency lines that currently dump to voicemail. * Overflow when the board is lit during storm season. * Structured intake: name, callback, address, equipment age, symptom, photos request via SMS follow-up. * Appointment reschedule requests that only need a draft for the coordinator. The dishonest win is replacing the CSR who keeps your best commercial accounts calm. That person holds relationships and judgment. Automating their tone on a demo call is not the same as automating trust. What Cartesia-style platforms change operationally. Older voice builds failed because the glue code failed: latency, barge-in, tool calls that timed out, and brittle prompts. A managed stack does not remove design work, but it removes some assembly. You still owe the business rules. Your rules should answer: * When does the agent transfer to a human immediately? * What phrases trigger a safety or legal escalation? * Which fields are required before a ticket is created? * What is the agent forbidden to promise? Write those before you buy minutes. Table: phone moments to automate vs keep human. | Phone moment | Automate draft? Human required? | | After-hours basic intake | Yes | Callback to confirm scope | | Storm-day overflow triage | Yes | Dispatcher assigns crew | | Firm price on a complex repair | No | Estimator only | | Angry commercial account | No | Named CSR | | Reschedule within policy windows | Yes, draft | Coordinator approves edge cases | | Payment over the phone | No unsupervised charge | Person plus existing payment process | A pilot that respects your brand. Run after-hours only for fourteen days. Cap the agent at intake and ticket creation. Every morning, a coordinator reviews the prior night's tickets and listens to a sample of recordings. Score three things: completeness of the ticket, correct urgency flag, and whether the caller was told a human would confirm. If any of those slip, tighten the script before expanding to daytime overflow. Remember the house rule: AI drafts, your team approves. A voice agent that books a four-hour crew window without review is not autonomous. It is unsupervised scheduling. Costs to model without fooling yourself. Platform per-minute pricing is only one line. Add setup and prompt iteration time, coordinator review minutes, missed escalation cost (the expensive failure mode), and CRM or field-service integration work. A cheap minute rate with messy tickets is more expensive than a cleaner path with fewer calls handled. Owners also under-count the change-management cost. Technicians and CSRs need a one-page explanation of what the agent will and will not say. If your team hears the agent promise next-day service that your capacity cannot support, trust collapses for months. How this fits a 5 to 75 person shop. A five-person firm might only need after-hours capture into a shared inbox. A seventy-person multi-branch firm might need language options, branch routing, and tighter CRM writes. The product category is the same; the permission matrix is not. Start with the smallest matrix that stops a known leak. Verdict: Buy after-hours intake, Hold on full front-desk replacement. Verdict: Buy a bounded after-hours or overflow intake pilot if missed calls are already a known leak. Verdict: Hold on daytime full replacement of skilled CSRs. Verdict: Skip unsupervised pricing or payment collection by voice agents. Cartesia's launch is a signal that voice agents are becoming productized. Your advantage is not copying an enterprise demo. It is wiring the agent to the same discipline you already use for apprentices: clear scope, tight supervision, measurable output. Writing the transfer phrase bank. List the exact words that must force a human transfer: gas smell, chest pain, lawsuit, attorney, media, domestic dispute, threats, child safety, and your industry-specific hazards. Put the list in the agent instructions and in the staff FAQ. Test by calling the line yourself and saying two of the phrases. Recording and retention basics. Tell callers they may be recorded if your jurisdiction requires it. Set retention to the minimum your insurer and counsel accept. Restrict who can download audio. Voice pilots die in awkward ways when recordings become gossip or leak into personal drives. Staffing the morning review. Assign a primary and a backup. Block twenty minutes after open. Score tickets with a three-box checklist: complete fields, correct urgency, honest next-step language. Share weekly tallies in the ops meeting. Without the ritual, after-hours capture becomes a junk drawer. Choosing languages and accents without alienating callers. If your customer base includes a second language, test that path with real bilingual staff before launch. A polished English demo does not prove Spanish intake quality. Keep a fast transfer to a human for language mismatch instead of forcing a bad conversation. Vendor questions specific to phone agents. Where do recordings live? Who can export them? How do you disable the agent in one click? How are tool calls authenticated to its CRM? What happens when the CRM is down? If answers are vague, keep the pilot on ticket-create-only with email delivery to a shared inbox. After the pilot: expand or contain. If morning review scores stay high for two weeks, consider daytime overflow only during published peak hours. Do not jump to 24/7 sales quoting. Containment is a strategy, not a failure. Field note. Run the pilot with a named owner, a written kill switch, and a Friday review. If those three artifacts do not exist, pause new tools and build them first. AI drafts, your team approves only works when the queue has a human name on it. For this workflow around voice AI agents for service business, write the kill switch criteria in numbers: edit rate, error count, or hours saved. Numbers beat vibes when you decide to keep or cut the pilot. Coverage when the reviewer is out. Document who covers the review queue when the primary reviewer is on vacation. Name a backup. Practice a one-day handoff. Pilots fail during vacations more often than during demos because nobody owns the approve button. Write the backup name beside the primary name on the sticky note that already sits on the monitor. Why this matters for voice ai agents for service business phones. The point of supervision is not bureaucracy. It is keeping customer promises accurate while software drafts the repetitive pieces. Teams that skip naming a backup recreate the same fire every school holiday week. A short checklist worth printing. Named primary reviewer. Named backup. Written kill criteria. Friday failure review. Context pack link in the agent config. Send rights off until approval. If any box is empty, do not expand scope. FAQ. Want a phone intake workflow that does not abandon callers? In a free 30-minute assessment SpiAI map your after-hours call path, pick what a voice agent may capture, and mark the moments a human must take over. What did Cartesia launch? Can a voice AI agent replace my front desk? What should the agent be allowed to do? How do SpiAI keep humans in control? What metrics matter? Is voice AI only for huge call centers? What is a safe first pilot? Find the work AI should be doing. One free 30-minute call maps the work your team repeats every week, and SpiAI build the first automation for a fixed price.
Try Managed Agents. Introducing Managed Agents. Today, Cartesia is launching Cartesia Managed Agents, its end-to-end voice agent platform for enterprise conversations. It pushes the frontier of speech-to-speech naturalness and accuracy, and ranks #1 on independent voice agent benchmarks at launch. Cartesia designed the harness and its voice models together, so listening, turn-taking, reasoning, tool-calling, and speech are tuned as one end-to-end system. Everything enterprise teams need to run agents in production comes on one platform: telephony, knowledge bases, tool integrations, and more. And Cartesia has tested it at scale - Managed Agents has already powered tens of millions of conversations in finance, retail, hospitality, and healthcare. Setting a new Pareto frontier. Cascaded pipelines are the dominant paradigm for enterprise tasks, but without careful co-design they can lose out on naturalness and conversational dynamics like turn-taking and interruptions. Today's speech-to-speech models sound natural, but they're hard to control and less reliable for enterprise-grade tasks. With Managed Agents, Cartesia co-designed its voice models and the harness to deliver the best conversational experience without sacrificing the intelligence and controllability that complex enterprise tasks require. On Artificial Analysis's Speech Agent Arena, where blind human raters compare agents on tasks like booking appointments and ordering takeout, Managed Agents ranks #1 of 30 agents with a preference Elo of 1115. On EVA-Bench, ServiceNow's open benchmark for enterprise voice agents in CSM, ITSM, and HR, Managed Agents posts the highest scores for both accuracy (87%) and experience (91%), setting a new Pareto frontier. When callers interrupt, pause, or change their minds, the agent handles it naturally: in its internal evaluations, callers reported no turn-taking issues in 85% of conversations with Managed Agents, compared with 67% for other agents. Designed for complex calls. Cartesia Managed Agents provides all the tools needed to build frontier voice agents in one end-to-end platform. Claims intake, patient scheduling, retail returns, IT helpdesk: enterprise calls rarely stay simple. One conversation can mean verifying a caller, checking three systems, and quoting policy, all without missing a beat. * Multilingual: Build agents in 44 languages. Agents can switch between English, Spanish, Hindi, French, and Japanese mid-conversation, with all 44 coming soon. * Tool calls: Integrate your backend APIs, CRMs, and systems of record, so your agent can look up records and take action mid-call. * Knowledge bases: Get precise answers from hundreds of documents. The agent's context is prefilled dynamically, so it responds without pausing to search. * Outbound campaigns: Schedule thousands of calls with outbound batches, each personalized to the person you're calling.
Cloudera expands AI ecosystem with Neo4j & Cartesia. Wed, 28th Oct 2026 (Today) Cloudera has expanded its Enterprise AI Ecosystem, adding Neo4j and Cartesia to partners including Mistral AI and VAST Data. The expansion adds technologies spanning knowledge graphs, AI models, voice tools and data infrastructure to Cloudera's Anywhere Cloud platform. The additions are intended to support customers running AI workloads across public cloud, private cloud and on-premises environments. Cloudera said the ecosystem is part of its push to help businesses use governed data for AI systems and software agents. Neo4j joins the programme with its knowledge graph technology. Cloudera said this will help customers connect business data with semantic context, allowing AI systems to query relationships across customers, products, transactions and business processes. The focus on connected data reflects a broader industry effort to improve AI reliability by grounding outputs in structured enterprise information. Cloudera is positioning knowledge graphs as a layer for reasoning over internal data, rather than simply retrieving information. "Our partnership with Cloudera helps organisations create a shared knowledge layer across enterprise data in public and private cloud environments, delivering the critical connection between relational data and deep semantic context. The Cloudera Open Data Lakehouse, in combination with Neo4j's Graph Intelligence Platform, allows organisations to query massive datasets, uncover hidden relationships, and power next-generation enterprise AI safely across any cloud or on-premises environment," said Sudhir Hasbe, President & Chief Product Officer, Neo4j. Cartesia brings speech generation and transcription models to the ecosystem. Cloudera said the tools are aimed at voice agents used in customer-controlled environments, particularly for organisations with strict data-handling and sovereignty requirements. Cartesia reports sub-90-millisecond speech-generation latency, while its Sonic-3.6 model ranked first on two Artificial Analysis speech arena leaderboards at launch, according to Cloudera. The company said those features are designed to support more natural voice interactions while keeping sensitive conversations under customer control. "Voice is becoming the primary interface for AI, and the enterprises that stand to gain the most are often those bound by the strictest data sovereignty and governance requirements," said Karan Goel, Chief Executive Officer and Co-Founder, Cartesia. "Together with Cloudera, we're enabling the world's most regulated organisations to deploy real-time voice agents at scale while retaining complete control over their data." Existing partners The expansion also builds on earlier partnerships with Mistral AI and VAST Data. Cloudera said Mistral remains central to its strategy for sovereign inference, with support for a range of models for different workloads. Mistral's portfolio, as outlined by Cloudera, includes the Large 4 model with 1.05 trillion parameters, Timestral forecasting models and Robostral for embodied navigation. Cloudera said model choice matters as companies try to match AI systems to different latency and compute demands. "As enterprises transition to production-ready agentic workflows, maintaining control over sensitive data and infrastructure is non-negotiable," said Marjorie Janiewicz, Chief Revenue Officer, Mistral. "Integrating Mistral's frontier models and products with Cloudera's hybrid data platform will allow organisations to build, train, and deploy custom intelligence on their own proprietary data, with full governance across any environment." VAST Data remains the infrastructure-focused partner in the group. Cloudera said the relationship is aimed at addressing data-delivery bottlenecks for GPU-based AI workloads, particularly where storage throughput and latency constrain model training, inference and analytics. Cloudera said VAST's storage architecture supports its containerised data services and can help improve GPU utilisation and data delivery across hybrid environments. That reflects a wider concern in AI deployments over the cost of underused accelerator hardware. "Most enterprises already have the data they need for AI. The challenge is unlocking the value in data to create a continuous pipeline of AI inference, fine-tuning, and data analysis to build the next generation of intelligent applications," said Jeff Denworth, Co-Founder, VAST Data. "Together, Cloudera and VAST are helping customers build AI factories that connect data, intelligence, and infrastructure into a single operational platform for AI across hybrid environments." Hybrid focus Cloudera is framing the expanded ecosystem around customer choice in deployment models and suppliers. It said its Anywhere Cloud approach is designed to provide a consistent operating model across public cloud, private cloud and on-premises environments, with attention to cost, performance and data sovereignty. Abhas Ricky, Chief Business Officer and GM, Applied AI, Cloudera, said the company sees competitive advantage shifting towards businesses that can use their own data more effectively in AI systems. "The next competitive advantage will come from how effectively enterprises turn their own knowledge into action," said Ricky. "Our ambition is to make every enterprise an AI factory, with the freedom to choose its models, retain control of its data, and improve the economics of every workload. Anywhere Cloud and our expanding ecosystem will connect the capabilities to make that possible-from the first insight to the millionth agentic action."
Raise Financial Services x Cartesia: voice AI for financial access in India. Raiseholding at Raise Financial Services (Raise), the Indian company behind stock trading and investing platform Dhan and AI-powered financial markets research assistant fuzz, among others, are developing multilingual voice experiences with Cartesia. Raiseholding has been investing heavily in building AI specifically for Indian financial markets. Cartesia provides the speech models that help Raiseholding extend that financial intelligence into natural, multilingual conversation. The partnership between Raise and Cartesia supports an ambition both companies share: making financial information more accessible through conversations in the languages people use naturally. "Cartesia gives us best-in-class voice models that integrate well with the real-time voice infrastructure we've built in-house," said Alok Pandey, co-founder and CTO, Raise Financial Services. "We're looking forward to scaling this partnership across our ecosystem, including Dhan; trader and investor educational platform Upsurge; insurance business Pluto, and other group entities." Building financial intelligence, choosing expertise in speech. Its approach to AI started with the requirements of Indian financial markets. Its team developed artham, a 7-billion-parameter language model trained on Indian financial and capital markets data. Built and hosted in India, artham is designed around the structure, vocabulary, and regulatory context of the domestic Indian market. Artham has been running inside fuzz, stock screener ScanX, and Dhan for over a year, summarizing market news, reading context into price moves, and answering user queries with live data drawn straight from official sources. Voice is the newest addition to that stack, and this is where Cartesia comes in. Cartesia's models currently power a portion of Dhan's voice bot interactions, including conversational KYC, while its human teams continue to lead on servicing, complex queries, and relationship support. The scale of multilingual demand is already clear: over 75% of these interactions happen in languages other than English, with Hindi alone accounting for more than half. Access extends beyond language. Over a third of its voice bot calls are handled outside business hours, entirely without agent involvement, extending access to users who reach out in the evenings and overnight. These early numbers point to where voice is headed across its ecosystem. Expressing financial information through speech introduces its own set of technical requirements. An accurate written response must retain its meaning when spoken aloud. Numerical expressions need an unambiguous pronunciation, and financial terminology must fit naturally into the surrounding language. Audio generation also needs to begin promptly enough to sustain a conversation. Raiseholding is building with Cartesia's models to address the speech component of that work. The partnership gives its team, which has built its own financial AI and production architecture, access to specialized speech models purpose-built for multilingual conversation. Multilingual voice infrastructure for the demands of Indian finance. Sonic, Cartesia's text-to-speech model gives developers a choice of voices and regional accents, with controls for pace and emotional expression. It supports 11 Indic languages including Hindi, Tamil, Telugu, and Marathi, alongside language code-switching within a single generation. That flexibility lets teams adapt delivery to different contexts while preserving a consistent voice as a conversation moves between languages. For financial content, expressiveness must be accompanied by precision. Cartesia's work on transcript fidelity and locale-aware pronunciation addresses the treatment of alphanumeric identifiers, dates, and monetary amounts. These capabilities are particularly relevant when English financial terminology appears within an Indian-language sentence, where pronunciation and rhythm need to remain natural without obscuring the information. Cartesia's models are built for secure, high-volume, real-time workloads, with deployment options in India. With Cartesia, Raiseholding run these models within its own infrastructure, built to meet the data-handling and governance standards that financial applications require. A relationship informed by design collaboration. Alongside using Cartesia's models, Raiseholding has been an early design partner to Cartesia and have contributed to its multilingual model development. Through this collaboration between Raise and Cartesia, Raiseholding bring a financial-domain perspective into speech research. Broad measures of naturalness do not, on their own, establish whether a model preserves numerical detail in a code-switched financial sentence. Its domain expertise helps identify the cases that deserve closer evaluation. For Raiseholding, working with Cartesia means the speech models Raiseholding rely on are shaped by the real needs of financial products built for Indian users. Raiseholding look forward to scaling voice across the Raise ecosystem and continuing the technical collaboration between Raise and Cartesia as the partnership expands.
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Industries
Company Size
51-200
Company Stage
Late Stage VC
Total Funding
$191M
Headquarters
San Francisco, CA
Founded
2023
Find jobs on Simplify and start your career today
Don't see your dream role? Check out thousands of other roles on Simplify.Browse all jobs