Enterprise voice assistants for call centers — natural conversations that resolve customer calls.
Sarvam AI vs Sierrawhich AI support agent should you pick in 2026?
India's sovereign multilingual voice agent — Hindi, Tamil, Bengali, Kannada and more.
Sarvam AI vs Sierra — specs
| Spec | Sarvam AI | Sierra |
|---|---|---|
| Agent Rank | 65 / 100 (B) | 78 / 100 (A) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription | Subscription · Free tier |
| Open source | No | No |
| Capabilities | Voice, Tool use, Memory, RAG | Voice, Tool use, Memory, RAG |
| Integrations | 3 apps | 3 apps |
| Verified | — | Verified |
| Released | Aug 2025 | Feb 2025 |
Agent Rank breakdown
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 6
- Pricing
- 4
- Polish
- 6
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 6
- Pricing
- 9
- Polish
- 5
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +$53.8M from Lightspeed + Peak XV + Khosla — most-funded Indian sovereign-LLM provider
- +Selected by IndiaAI Mission for India's national sovereign LLM
- +Native voice quality in 22+ Indic languages
- −India-focused — limited traction outside South Asia
- −Newer than Gnani/Verloop in BFSI voice deployments
- −No public pricing — enterprise sales only
- +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
- −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
- +API access
- +Pay-per-call
- +10 Indian languages
- +Full voice agent suite
- +22+ Indic languages
- +WhatsApp + voice channels
- +On-prem deployment
- +IndiaAI Mission alignment
- +Custom Indic LLM fine-tuning
- +Voice + chat
- +Custom persona
- +White-glove implementation
- +SOC 2 II + HIPAA option
Which one should you pick?
Pick Sarvam AI if its specific capabilities (Voice, Tool use) match what you need.
Try Sarvam AI →Pick Sierra if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy.
Try Sierra →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Sarvam AI or Sierra in 2026?+
Pick Sarvam AI if its specific capabilities (Voice, Tool use) match what you need. Pick Sierra if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy. Most working teams running both can use Sarvam AI for primary work and Sierra for the workflows where its specific strengths matter.
What's the price difference between Sarvam AI and Sierra?+
Sarvam AI starts at Subscription; Sierra starts at Subscription · Free tier. Sierra is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Sarvam AI or Sierra?+
Both Sarvam AI 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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- VoiceTool useMemoryRAGDemo · hover to play
AI customer service agent — resolves tickets across chat, email, voice with measurable deflection rates.
RAGTool useMemoryVoiceDemo · hover to playMultilingual customer-support AI agents with local deployment teams in 30 countries.
Tool useMemoryVoiceRAG