Agent IA de service client — résout les tickets via chat, e-mail et voix avec des taux de ticket deflection mesurables.
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Decagon vs Sierrawhich AI support agent should you pick in 2026?
Conversational support agents that resolve tickets like your best reps.
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Decagon vs Sierra — specs
| Spec | Decagon | Sierra |
|---|---|---|
| Agent Rank | 73 / 100 (A) | 78 / 100 (A) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription · Free tier | Subscription · Free tier |
| Open source | No | No |
| Capabilities | Tool use, Memory, RAG | Voice, Tool use, Memory, RAG |
| Integrations | 3 apps | 3 apps |
| Verified | Verified | Verified |
| Released | Apr 2025 | Feb 2025 |
Agent Rank breakdown
Decagon
Agent Rank
73/ 100
- Autonomie
- 9
- Capacités
- 6
- Intégrations
- 4
- Tarification
- 9
- Maturité
- 6
- Vérifiabilité
- 10
Calculé automatiquement à partir de l'autonomie, des capacités, des intégrations, de la tarification, de la maturité et de la vérification éditoriale. Mis à jour à chaque déploiement. Comment est-ce calculé ?
Sierra
Agent Rank
78/ 100
- Autonomie
- 9
- Capacités
- 8
- Intégrations
- 6
- Tarification
- 9
- Maturité
- 5
- Vérifiabilité
- 10
Calculé automatiquement à partir de l'autonomie, des capacités, des intégrations, de la tarification, de la maturité et de la vérification éditoriale. Mis à jour à chaque déploiement. Comment est-ce calculé ?
Pros & cons
Decagon
Pour
- +Chat-first agent with consistently 65–75% tier-1 deflection in production
- +Deep integration with existing helpdesks (Zendesk / Intercom / Salesforce)
- +Mid-market priced — easier conversation than Sierra
Contre
- −Voice support exists but is not the strength
- −Sales-led — no self-serve sign-up
- −Per-resolution pricing can sting if tickets spike unexpectedly
Sierra
Pour
- +Best-in-class for branded customer-facing agents (voice + chat parity)
- +Concierge onboarding from one of the strongest teams in AI
- +Indistinguishable-from-human quality in tier-1 deployments
Contre
- −Enterprise-only pricing — typical contracts $150–500k/year
- −Deployment is white-glove, not SaaS — multi-week setup
- −Overkill for SMB or mid-market support volumes
Pricing
Decagon
Growth
Sur mesure
Mid-market
- +Per-resolution pricing
- +Zendesk / Intercom integration
- +Onboarding included
Recommandé
Enterprise
Sur mesure
Enterprise
- +Custom integrations
- +SSO + audit log
- +Dedicated CSM
Sierra
Recommandé
Branded agent
Sur mesure
Enterprise
- +Voice + chat
- +Custom persona
- +White-glove implementation
- +SOC 2 II + HIPAA option
Which one should you pick?
Decagon
Pick Decagon if its specific capabilities (Tool use, Memory) match what you need.
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Frequently asked
Should I pick Decagon or Sierra in 2026?+
Pick Decagon if its specific capabilities (Tool use, Memory) match what you need. Pick Sierra if its specific capabilities (Voice, Tool use) match what you need. Most working teams running both can use Decagon for primary work and Sierra for the workflows where its specific strengths matter.
What's the price difference between Decagon and Sierra?+
Both Decagon and Sierra start in the same pricing range (Subscription · Free tier vs Subscription · Free tier). Total cost of ownership depends on your team size and volume — see the TCO calculator for your specific math.
Which is more autonomous, Decagon or Sierra?+
Both Decagon and Sierra are Autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.
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Tool UseMemoryVoixRAGAgent IA basé sur la résolution, intégré à Intercom — vous payez uniquement ce qu'il résout réellement.
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See more alternatives: alternatives to Decagon · alternatives to Sierra
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