Alternatives to Sierra
The top Agentic AI companies similar to Sierra, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Intercom (Fin by Intercom)71Voice AgentSan Francisco, United States$911.0M
Wonderful51TechnologyAmsterdam, Netherlands$367.8M
Cognigy (NICE)63Voice AgentDüsseldorf, Germany
Five962Artificial IntelligenceSan Ramon, USA$71.6M
Voiceflow62Conversational AIToronto, Canada$59.5M
Rasa Technologies GmbH62Conversational AISan Francisco, United States$73.4M
Kore.ai59Agentic AIOrlando, United States$165.0M
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9B
Tidio62Artificial IntelligenceWarsaw, Poland$45.0M
Solidroad61Agentic AISan Francisco, United States$39.2M
Teneo.ai55AIStockholm, Sweden$14.5M
Frontline43Agentic AISan Francisco, United States
Intercom70Customer ServiceSan Francisco, United States$456.0M
Decagon67AI AgentsSan Francisco, United States$491.0M
Forethought65Artificial IntelligenceSan Francisco, United States$25.0M
Strada62InsuranceSan Francisco, United States$7.5M
Retell AI62Agentic AISan Francisco, United States$14.0M
Aisera58Agentic AIUnited States$90.0M
SUPERDIAL57HealthcareSan Francisco, United States$34.5M
DigitalGenius57AI Tools & AppsLondon, United Kingdom$21.9M
Ultravox.ai52Agentic AISan Francisco, United States$10.0M
SoundHound AI50Agentic AISanta Clara, United States$587.7M
Gupshup50Conversational AISan Francisco, United States$810.0M
Cresta50Agentic AIUnited States$125.0M
Humoniq49Agentic AITel Aviv, Israel$1.5M
TalkStack AI35Agentic AISan Francisco, United States$1.5M
Magick AI28Agentic AI
PolyAI27Agentic AIUnited Kingdom- LELecca.io22Agentic AITel Aviv, Israel$1.5M
Worktual19Artificial Intelligence AgentsLondon, England, United Kingdom, Europe
Observe.AI18Agentic AI
Yuma AI17Customer ServiceTel Aviv, Israel
SquadStack.ai11TechnologyNoida, India
Mirrorfly11Agentic AI- NINiCE10Artificial IntelligenceHoboken, USA
Whisp Flow66Artificial IntelligenceSan Francisco, United States$26.6M
Deepgram65NeocloudSan Francisco, United States$177.1M
11x64Agentic AISan Francisco, United States$12.0M
Bland64Voice AISan Francisco, United States$10.0M
Leaping AI64Voice AISan Francisco, United States$264.8M
Syllable63Agentic AISan Francisco, United States$94.3M
Skit62Conversational AINew York, United States$53.9M- INInfinitus61HealthcareSan Francisco, United States$106.9M
Voxia56EnterpriseSan Francisco, United States$6.0M
Jeen AI54FintechTel Aviv, Israel$1.0M
Arthur51Agentic AISan Francisco, United States$10.0M
Truffle AI (YC W25)50Agentic AISan Francisco, United States$500.0M
Clara Health44ProductivitySan Francisco, United States
GuruSup42Agentic AIValencia, Spain$1.3M
Voiceman AI40Voice AIRaanana, Israel
Xoltar40EnterpriseNew York, United States$1.0M
Cekura40Agentic AITel Aviv, Israel
Atlog39Sales & Payment AI AgentsNew York, United States$1.0M
Neural Wave37Conversational AITel Aviv, Israel
Lemni35Customer ServiceAmsterdam, Netherlands$3.5M
Patientdesk.ai31Customer ServiceUnited States
Saperly29Voice AISan Francisco, United States$2.0M
Bolna AI28Artificial IntelligenceBengaluru, India
Droidal Insurance Verification19Insurance Eligibility & Benefits VerificationNew York, United States
Bot9911Agentic AITunis, Tunisia
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Intercom (Fin by Intercom) | Voice Agent | San Francisco, United States | $911.0M | 71 |
| Wonderful | Technology | Amsterdam, Netherlands | $367.8M | 51 |
| Cognigy (NICE) | Voice Agent | Düsseldorf, Germany | — | 63 |
| Five9 | Artificial Intelligence | San Ramon, USA | $71.6M | 62 |
| Voiceflow | Conversational AI | Toronto, Canada | $59.5M | 62 |
| Rasa Technologies GmbH | Conversational AI | San Francisco, United States | $73.4M | 62 |
| Kore.ai | Agentic AI | Orlando, United States | $165.0M | 59 |
| Genesys Cloud CX | Contact Center AI | Daly City, United States | $3.9B | 64 |
| Tidio | Artificial Intelligence | Warsaw, Poland | $45.0M | 62 |
| Solidroad | Agentic AI | San Francisco, United States | $39.2M | 61 |
| Teneo.ai | AI | Stockholm, Sweden | $14.5M | 55 |
| Frontline | Agentic AI | San Francisco, United States | — | 43 |
| Intercom | Customer Service | San Francisco, United States | $456.0M | 70 |
| Decagon | AI Agents | San Francisco, United States | $491.0M | 67 |
| Forethought | Artificial Intelligence | San Francisco, United States | $25.0M | 65 |
| Strada | Insurance | San Francisco, United States | $7.5M | 62 |
| Retell AI | Agentic AI | San Francisco, United States | $14.0M | 62 |
| Aisera | Agentic AI | United States | $90.0M | 58 |
| SUPERDIAL | Healthcare | San Francisco, United States | $34.5M | 57 |
| DigitalGenius | AI Tools & Apps | London, United Kingdom | $21.9M | 57 |
| Ultravox.ai | Agentic AI | San Francisco, United States | $10.0M | 52 |
| SoundHound AI | Agentic AI | Santa Clara, United States | $587.7M | 50 |
| Gupshup | Conversational AI | San Francisco, United States | $810.0M | 50 |
| Cresta | Agentic AI | United States | $125.0M | 50 |
| Humoniq | Agentic AI | Tel Aviv, Israel | $1.5M | 49 |
| TalkStack AI | Agentic AI | San Francisco, United States | $1.5M | 35 |
| Magick AI | Agentic AI | — | — | 28 |
| PolyAI | Agentic AI | United Kingdom | — | 27 |
| LELecca.io | Agentic AI | Tel Aviv, Israel | $1.5M | 22 |
| Worktual | Artificial Intelligence Agents | London, England, United Kingdom, Europe | — | 19 |
| Observe.AI | Agentic AI | — | — | 18 |
| Yuma AI | Customer Service | Tel Aviv, Israel | — | 17 |
| SquadStack.ai | Technology | Noida, India | — | 11 |
| Mirrorfly | Agentic AI | — | — | 11 |
| NINiCE | Artificial Intelligence | Hoboken, USA | — | 10 |
| Whisp Flow | Artificial Intelligence | San Francisco, United States | $26.6M | 66 |
| Deepgram | Neocloud | San Francisco, United States | $177.1M | 65 |
| 11x | Agentic AI | San Francisco, United States | $12.0M | 64 |
| Bland | Voice AI | San Francisco, United States | $10.0M | 64 |
| Leaping AI | Voice AI | San Francisco, United States | $264.8M | 64 |
| Syllable | Agentic AI | San Francisco, United States | $94.3M | 63 |
| Skit | Conversational AI | New York, United States | $53.9M | 62 |
| INInfinitus | Healthcare | San Francisco, United States | $106.9M | 61 |
| Voxia | Enterprise | San Francisco, United States | $6.0M | 56 |
| Jeen AI | Fintech | Tel Aviv, Israel | $1.0M | 54 |
| Arthur | Agentic AI | San Francisco, United States | $10.0M | 51 |
| Truffle AI (YC W25) | Agentic AI | San Francisco, United States | $500.0M | 50 |
| Clara Health | Productivity | San Francisco, United States | — | 44 |
| GuruSup | Agentic AI | Valencia, Spain | $1.3M | 42 |
| Voiceman AI | Voice AI | Raanana, Israel | — | 40 |
| Xoltar | Enterprise | New York, United States | $1.0M | 40 |
| Cekura | Agentic AI | Tel Aviv, Israel | — | 40 |
| Atlog | Sales & Payment AI Agents | New York, United States | $1.0M | 39 |
| Neural Wave | Conversational AI | Tel Aviv, Israel | — | 37 |
| Lemni | Customer Service | Amsterdam, Netherlands | $3.5M | 35 |
| Patientdesk.ai | Customer Service | United States | — | 31 |
| Saperly | Voice AI | San Francisco, United States | $2.0M | 29 |
| Bolna AI | Artificial Intelligence | Bengaluru, India | — | 28 |
| Droidal Insurance Verification | Insurance Eligibility & Benefits Verification | New York, United States | — | 19 |
| Bot99 | Agentic AI | Tunis, Tunisia | — | 11 |