Decagon vs Ultimate.ai

A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.

Short answer: choose Decagon if you want enterprise ai agents that resolve customer support end to end (Supervised agent, enterprise); choose Ultimate.ai if you want multilingual customer support automation, now zendesk's advanced ai agents (Supervised agent, enterprise).

DecagonUltimate.ai
What it isEnterprise AI agents that resolve customer support end to endMultilingual customer support automation, now Zendesk's Advanced AI agents
Typeagentproduct-with-agents
AutonomySupervised agentSupervised agent
Pricingenterpriseenterprise
Best forenterprise, mid-marketmid-market, enterprise
Deploymentsaas, apisaas, api
Modalitiestext, voice, emailtext, email
Modelsmodel-agnosticproprietary, gpt
Protocolsfunction-calling, rest-apirest-api, function-calling
IntegrationsZendesk, Salesforce, Intercom, SlackZendesk, Salesforce, Freshdesk, Intercom, Google Drive
Capabilities3 documented4 documented

Decagon

  • +High autonomous resolution on common request types
  • +True omnichannel: chat, email, and voice
  • +Well funded and rapidly growing, low vendor-risk for enterprises
  • -Enterprise-only with no public self-serve pricing
  • -Aimed at high-volume brands; overkill for very small teams
Full Decagon profile

Ultimate.ai

  • +Strong multilingual automation (80+ languages) via purpose-built language-agnostic models
  • +Hybrid scripted, generative, and human-handoff flows with no-code dialogue and integration builders
  • +Now backed by Zendesk's resolution platform and ecosystem
  • -No longer purchasable standalone; locked into Zendesk's ecosystem and repackaging roadmap
  • -Usage and per-resolution pricing inside Zendesk can get expensive and unpredictable at scale
Full Ultimate.ai profile

Which should you choose?

Decagon is enterprise ai agents that resolve customer support end to end, best for enterprise, mid-market. Ultimate.ai is multilingual customer support automation, now zendesk's advanced ai agents, best for mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.