F

Five9

FIVN

Application

Cloud contact-center platform where AI agents, agent-assist and summarization (Five9 Genius AI) handle customer voice/chat interactions.

Total funding—

Market cap$2.7B

Employees2,910

Founded2001

HeadquartersSan Ramon, USA

StatusPublic

Product

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

Inside Five9

• Five9 Genius AI Platform Included with the parent

  AI agents, AI Agent Assist and AI Summaries handling customer voice/chat interactions inside Five9's cloud contact-center platform.

Closest alternatives 3

NNiCEPublic · $6.5BZoom's own Form 10-K names Five9 and NICE inContact together as competitors in the same contact-center market.2 of 2 capabilitiesShared product typeSame scale bandNamed in filingHandle customer support conversationsCompareGGenesysPrivateFive9's own FY2025 10-K, Competition section.2 of 2 capabilitiesShared product typeNamed in filingHandle customer support conversationsCompareZZoomPublic · $28.7BZoom's own Form 10-K, Competition section.2 of 2 capabilitiesShared product typeLarger scaleNamed in filingHandle customer support conversationsCompare

Similar products 57

How this list is ranked ↗

CCrescendoPrivate · $500MFive9 Genius AI and Crescendo Concierge do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; smaller scale (private); ships AI agent rather than the same layer.2 of 2 capabilitiesDifferent layerSmaller scaleComparePParloaPrivate · $3BFive9 Genius AI and Parloa AMP do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private); ships AI agent rather than the same layer.2 of 2 capabilitiesDifferent layerCompareLLivePersonAcquiredFive9 Genius AI and LivePerson Voice AI do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; LivePerson is acquired, with no independent scale; ships AI agent, agent platform and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareCCognigyAcquiredFive9 Genius AI and Cognigy Voice Gateway do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; Cognigy is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompareCCrestaPrivate · $1.6BFive9 Genius AI and Cresta AI Agent do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private); ships AI agent and application rather than the same layer.2 of 2 capabilitiesDifferent layerCompareDDecagonPrivate · $4.5BFive9 Genius AI and Decagon Voice do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private); ships AI agent, agent platform and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareFForethoughtPrivate · $115M raisedFive9 Genius AI and Forethought Solve do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private); ships AI agent, agent platform and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareSASoundHound AIPublic · $3.1BFive9 Genius AI and OASYS do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; ships AI agent, agent platform and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerSame scale bandCompareSSierraPrivate · $15.8BFive9 Genius AI and Channels do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (private); ships AI agent, application and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerLarger scaleCompareXXiao-iPublicFive9 Genius AI and Xiao-i cognitive intelligence platform do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; smaller scale (public).2 of 2 capabilitiesShared product typeCompareAAdaPrivateFive9 Genius AI and Ada AI Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Ada's scale not recorded; ships AI agent rather than the same layer.1 of 2 capabilitiesDifferent layerCompareTTwilioPublic · $36.5BFive9 Genius AI and Twilio Agent Copilot do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).2 of 2 capabilitiesShared product typeLarger scaleCompareFFinAcquired ($3.6B deal)Five9 Genius AI and Fin Voice do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; Fin is acquired, with no independent scale; ships AI agent, API service and 2 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareAAmazonPublic · $2.8TFive9 Genius AI and Amazon Connect Customer do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public).2 of 2 capabilitiesShared product typeLarger scaleCompareHAHippocratic AIPrivate · $3.5BFive9 Genius AI and Hippocratic AI Healthcare Agents do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private); ships AI agent rather than the same layer.2 of 2 capabilitiesDifferent layerCompareHHaptikAcquired ($112M deal)Five9 Genius AI and Haptik do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Haptik is acquired, with no independent scale; ships AI agent, agent platform and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareFFreshworksPublic · $3.4BFive9 Genius AI and Freddy AI do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (small-cap).1 of 2 capabilitiesShared product typeSame scale bandCompareYYellow.aiPrivateFive9 Genius AI and Agent Assist do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Yellow.ai's scale not recorded; ships AI agent, agent platform and 2 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareKHK HealthPrivate · $380M raisedFive9 Genius AI and PatientGPT do comparable work on customer support; both also serve buyers who need to handle customer support conversations; similar scale (private); ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareZZendeskPrivate · $10.2BFive9 Genius AI and Zendesk Contact Center do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (private); ships AI agent and application rather than the same layer.2 of 2 capabilitiesDifferent layerLarger scaleCompareKKore.aiPrivateFive9 Genius AI and Artemis do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Kore.ai's scale not recorded; ships agent platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareAHAssort HealthPrivate · $1.2BFive9 Genius AI and Assort Concierge do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; smaller scale (private); ships AI agent rather than the same layer.2 of 2 capabilitiesDifferent layerSmaller scaleCompareKKrispPrivateFive9 Genius AI and Krisp Agent Assist do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Krisp's scale not recorded; ships application and developer tool rather than the same layer.1 of 2 capabilitiesDifferent layerComparePPegasystemsPublic · $6.1BFive9 Genius AI and Pega Customer Service do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (small-cap).1 of 2 capabilitiesShared product typeSame scale bandCompareEEliseAIPrivate · $384M raisedFive9 Genius AI and VoiceAI do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private); ships AI agent and application rather than the same layer.2 of 2 capabilitiesDifferent layerCompareSServiceNowPublic · $130.1BFive9 Genius AI and ServiceNow Otto do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public).2 of 2 capabilitiesShared product typeLarger scaleCompareIIBMPublic · $216.6BFive9 Genius AI and IBM Watson Assistant do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public).2 of 2 capabilitiesShared product typeLarger scaleCompareEElevenLabsPrivate · $11BFive9 Genius AI and ElevenLabs Agents do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (private); ships API service, agent platform and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerLarger scaleCompareKKlaviyoPublic · $5.5BFive9 Genius AI and Klaviyo Customer Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; ships AI agent and application rather than the same layer.1 of 2 capabilitiesDifferent layerSame scale bandCompareAAtlassianPublic · $48.2BFive9 Genius AI and Customer Service Management do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public); ships AI agent, API service and 2 more rather than the same layer.2 of 2 capabilitiesDifferent layerLarger scaleCompareAAlvariaPrivateFive9 Genius AI and Alvaria Intelligence Platform (AIP) do comparable work on customer support; Alvaria's scale not recorded.1 of 2 capabilitiesShared product typeCompareOOraclePublic · $454.4BFive9 Genius AI and Oracle Digital Assistant do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public); ships API service, agent platform and 5 more rather than the same layer.2 of 2 capabilitiesDifferent layerLarger scaleCompareAAlphabet (Google)Public · $4.2TFive9 Genius AI and Gemini Enterprise for Customer Experience do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public).2 of 2 capabilitiesShared product typeLarger scaleCompareWWorkdayPublic · $49.3BFive9 Genius AI and Workday Paradox Candidate Experience do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public); ships AI agent, agent platform and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerLarger scaleCompareMmonday.comPublic · $3.9BFive9 Genius AI and monday service do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (small-cap).1 of 2 capabilitiesShared product typeSame scale bandCompareCCerencePublic · $384.9MFive9 Genius AI and Dealer Assist Agent do comparable work on voice agent; same layer and the same scale band (small-cap).1 of 2 capabilitiesShared product typeSame scale bandCompareVSVeeva SystemsPublic · $45.5BFive9 Genius AI and Veeva Ostro do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public); ships AI agent, agent platform and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerLarger scaleCompareHHubSpotPublic · $13BFive9 Genius AI and Knowledge Base Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).1 of 2 capabilitiesShared product typeLarger scaleCompareSSalesforcePublic · $196.1BFive9 Genius AI and Agentforce do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public); ships AI agent, agent platform and 2 more rather than the same layer.1 of 2 capabilitiesDifferent layerLarger scaleCompareCCiscoPublic · $433.3BFive9 Genius AI and Webex AI Agent do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; larger scale (public); ships AI agent, application and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerLarger scaleCompareVSVerint SystemsAcquiredFive9 Genius AI and Verint Da Vinci AI and Bots do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Verint Systems is acquired, with no independent scale.1 of 2 capabilitiesShared product typeCompareYYandexPublicFive9 Genius AI and Yandex SpeechSense do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Yandex's scale not recorded.2 of 2 capabilitiesShared product typeCompareFRFurhat RoboticsPrivateFive9 Genius AI and FurhatAI do comparable work on voice agent; Furhat Robotics's scale not recorded.1 of 2 capabilitiesShared product typeCompareMMicrosoftPublic · $3.7TFive9 Genius AI and Microsoft Copilot Studio do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).1 of 2 capabilitiesShared product typeLarger scaleCompareUUniphorePrivate · $2.5BFive9 Genius AI and Self-Service Agent do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; similar scale (private).2 of 2 capabilitiesShared product typeCompareLLListen LabsPrivate · $100M raisedFive9 Genius AI and Listen do comparable work on voice agent; similar scale (private); ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareSSpeakPrivate · $162M raisedFive9 Genius AI and Speak for Business do comparable work on voice agent; similar scale (private); ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareEEvenUpPrivate · $2BFive9 Genius AI and EvenUp Communication Agents do comparable work on voice agent; similar scale (private); ships AI agent and application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareRRunwayPrivate · $5.3BFive9 Genius AI and Runway Characters do comparable work on voice agent; similar scale (private); ships AI agent, application and 3 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareRRespeecherPrivate · $4M raisedFive9 Genius AI and Respeecher Text-to-Speech API do comparable work on voice agent; similar scale (private); ships API service and application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareAApplePublic · $4.6TFive9 Genius AI and Siri AI do comparable work on voice agent; larger scale (public); ships application and developer tool rather than the same layer.1 of 2 capabilitiesDifferent layerLarger scaleCompareDDuolingoPublic · $7.3BFive9 Genius AI and Duolingo Max do comparable work on voice agent; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerSame scale bandCompareNCNAVER CloudPrivateFive9 Genius AI and CLOVA AiCall do comparable work on customer support and voice agent; both also serve buyers who need to handle customer support conversations; NAVER Cloud's scale not recorded.2 of 2 capabilitiesShared product typeCompareHCHuawei CloudPrivateFive9 Genius AI and Question Answering Bot (QABot) do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Huawei Cloud's scale not recorded.1 of 2 capabilitiesShared product typeCompareMPMeta PlatformsPublic · $1.5TFive9 Genius AI and Meta Business Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public); ships AI agent, agent platform and 2 more rather than the same layer.1 of 2 capabilitiesDifferent layerLarger scaleCompareTTencentPublic · $510.1BFive9 Genius AI and Tencent Cloud Agent Development Platform do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).1 of 2 capabilitiesShared product typeLarger scaleCompareNNVIDIAPublic · $5.1TFive9 Genius AI and NVIDIA ACE do comparable work on voice agent; larger scale (public).1 of 2 capabilitiesShared product typeLarger scaleCompare

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.

Sources

Market cap

Third-party database · 24 Sep 2026

Market cap from a live tracker, re-read monthly; for a public company it is the only free periodic source that is not months stale.

Employees

Regulatory filing · 31 Dec 2025

Five9 FY2025 10-K: "As of December 31, 2025, we had 2,910 full-time employees."

Founded

Company disclosure · 19 Sep 2026

Public listing

Company disclosure · 19 Sep 2026

Description

Company disclosure · 19 Sep 2026

Open Five9 in the directory

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