Agentic Index
Kore.ai vs Sierra (2026)
The two deepest documented cards in customer experience, 12.5 and 12 of 14, sold in completely different ways.
Kore is an enterprise platform with more than 200 templates, 300 plus integrations and voice plus chat, with a free tier of roughly 5,000 requests a month and pay as you go standard pricing. Sierra is outcome priced per resolution through an enterprise engagement. Kore is a platform your team builds on and can start using today; Sierra is an outcome you buy with the vendor doing the building.
Choose Kore.ai if
- Documented coverage is marginally deeper and 300 plus integrations match your estate.
- A free tier means your team can build and evaluate before any commitment.
- You want to own and extend the platform rather than depend on vendor delivery.
Choose Sierra if
- Outcome pricing means you pay for resolutions rather than for capacity.
- You want the vendor accountable for performance, not a platform to staff.
- Enterprise delivery is the model your organization prefers for customer facing systems.
| At a glance | Kore.ai | Sierra |
|---|---|---|
| Category | Customer support agent | Customer support agent |
| Entry price | Free tier (~5,000 requests/mo) · Standard pay-as-you-go $0.20/conversation ($100 min, $500 signup credits) · Enterprise custom (session-based) | Outcome-based (per resolution) · contact sales |
| Free / trial | — | — |
| Pricing confidence | public partial | contact only |
| Feature | K Kore.ai |
S Sierra |
|---|---|---|
| Action & orchestration | ||
|
Integrations & Tool Calling Ability to connect agents to real systems through native integrations, OAuth-authenticated actions, custom tools, APIs, webhooks, or MCP-compatible tools. |
Full / Explicit | Full / Explicit |
|
Workflow Orchestration Ability to sequence, branch, retry, route, and combine deterministic workflow nodes with autonomous agent steps. |
Full / Explicit | Full / Explicit |
|
Triggers & Channel Coverage How agents wake up and where they work: schedules, webhooks, message events, CRM events, inbox events, chat, email, voice, and collaboration tools. |
Full / Explicit | Full / Explicit |
| Knowledge & context | ||
|
Knowledge Grounding & RAG Ability to ground agent behavior in company data through document ingestion, retrieval, external knowledge APIs, semantic search, or RAG layers. |
Full / Explicit | Full / Explicit |
|
Memory & State Persistence Ability to persist context across a run, conversation, workflow, user, team, or longer-term memory layer. |
Partial | Full / Explicit |
| Control & trust | ||
|
Human Oversight & Guardrails Approval steps, consent checkpoints, escalation rules, structured guardrails, policy constraints, and pause/resume controls. |
Full / Explicit | Full / Explicit |
|
Security, Identity & Governance RBAC, SSO, auditability, encryption, least-privilege tool access, compliance posture, and data handling policy. |
Full / Explicit | Full / Explicit |
|
Observability & Auditability Traces, logs, execution histories, metrics, audit events, and debugging detail for production agent behavior. |
Full / Explicit | Full / Explicit |
|
Deployment & Data Residency Deployment modes and options, including SaaS, dedicated cloud, VPC, on-prem, hybrid, local runtime, and self-hosting. |
Full / Explicit | Partial |
| Solution readiness | ||
|
Prebuilt Agents, Templates & Packs Ready-made workflows, packaged employees, templates, blueprints, industry solutions, and role-specific agents that reduce time-to-value. |
Full / Explicit | Partial |
| Platform extensibility | ||
|
Model Flexibility & Routing Ability to work across multiple foundation models, route tasks to different models, or let buyers bring their own providers and keys. |
Full / Explicit | Full / Explicit |
|
APIs, SDKs & MCP Extensibility Composability layer: stable APIs, SDKs, MCP tool consumption/serving, custom tools, and integration into internal systems. |
Full / Explicit | Full / Explicit |
|
Testing, Debugging & Optimization Testing, debugging, scoring, retries, fallbacks, quality gates, and optimization loops for improving agent workflows before and after deployment. |
Full / Explicit | Full / Explicit |
| Specialist automation | ||
|
Browser & Computer Use Browser, desktop, or remote/local computer control for workflows that cannot be handled through stable APIs alone. |
No / Not documented | No / Not documented |
Pricing snapshot
Sourced from the Index pricing dataset · open each vendor's profile for full detail.
| Pricing | K Kore.ai |
S Sierra |
|---|---|---|
|
Entry price Lowest public entry point |
Free tier (~5,000 requests/mo) · Standard pay-as-you-go $0.20/conversation ($100 min, $500 signup credits) · Enterprise custom (session-based) | Outcome-based (per resolution) · contact sales |
|
Pricing confidence How public the numbers are |
Public — partial | Contact only |
|
Billing Primary billing axis |
hybrid | outcome-based (per resolution/outcome) |
|
Variable cost Workload / overage exposure |
Medium variable cost | High variable cost |
|
Free tier / trial Try before you buy |
Free tierTrial
|
No free tier
|
|
Buying motion Self-serve vs sales call |
Mixed | Sales call |