Sovereign-AI agent platform for EU governments and regulated industries — PhariaAI.
Tool useMemoryRAGMulti-agent
Demo · hover to playSardine vs Sierrawhich AI ops agent should you pick in 2026?
Agentic financial-crime ops — consolidates 11 fraud/KYC vendors, auto-reviews 40% of applications.
Tool useMemoryRAGMulti-agent
Sardine vs Sierra — specs
| Spec | Sardine | Sierra |
|---|---|---|
| Agent Rank | 67 / 100 (B) | 78 / 100 (A) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription | Subscription · Free tier |
| Open source | No | No |
| Capabilities | Tool use, Memory, RAG, Multi-agent | Voice, Tool use, Memory, RAG |
| Integrations | 4 apps | 3 apps |
| Verified | — | Verified |
| Released | Jan 2025 | Feb 2025 |
Agent Rank breakdown
Sardine
Agent Rank
67/ 100
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 6
- Pricing
- 4
- Polish
- 7
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Sierra
Agent Rank
78/ 100
- 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
Sardine
Pros
- +$145M total (a16z) — top of the agentic financial-crime category
- +Consolidates 11 fraud/KYC/AML vendors into one platform
- +Auto-reviews 40% of monthly applications — major cost reduction
Cons
- −Enterprise focus — not priced for SMB fintechs
- −Regulatory complexity requires legal review per deployment
- −Best ROI requires existing high-volume transaction flow
Sierra
Pros
- +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
Cons
- −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
Sardine
Growth
Custom
Mid-market fintechs
- +Fraud + AML core agents
- +4 integrations
- +Standard SLA
Recommended
Enterprise
Custom
Large banks + fintechs
- +Full agent suite
- +Unlimited integrations
- +Custom rules engine
Sovereign
Custom
Regulated
- +EU/US data residency
- +On-prem option
- +Dedicated CS
Sierra
Recommended
Branded agent
Custom
Enterprise
- +Voice + chat
- +Custom persona
- +White-glove implementation
- +SOC 2 II + HIPAA option
Which one should you pick?
Sardine
Pick Sardine if its specific capabilities (Tool use, Memory) match what you need.
Try Sardine →Sierra
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 Sardine or Sierra in 2026?+
Pick Sardine if its specific capabilities (Tool use, Memory) 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 Sardine for primary work and Sierra for the workflows where its specific strengths matter.
What's the price difference between Sardine and Sierra?+
Sardine 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, Sardine or Sierra?+
Both Sardine 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 useMemoryRAGMulti-agent
Demo · hover to play"Multiplayer AI" — shared, governed company-wide agents across your stack.
Tool useMemoryRAGMulti-agent
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See more alternatives: alternatives to Sardine · alternatives to Sierra
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