Agentic Index
Fathom vs Nym (2026)
Both automate medical coding at scale and they differ on breadth against transparency. That verdict is the Agentic Index coverage score, graded from each vendor's own published materials.
Fathom is KLAS validated at 90 percent plus automation, HITRUST i1 certified with a CVS Health Ventures strategic investment, spanning facility, professional fee, coding review and risk adjustment. Nym publishes a 95 percent confidence threshold above which encounters route to billing with zero human intervention, with full audit trails per code, across 5.5 million charts and 250 plus facilities, documenting 6 of 14 against 8. Fathom covers more workflows; Nym is clearer about when it decides alone.
On the Agentic Index healthcare agent ranking, neither Fathom nor Nym clears the bar, which asks for all five chart loop capabilities documented in full. Fathom documents one of the five in full; Nym does not document security and identity governance in full. 8 of the 76 vendors in the lane clear it. See the healthcare agent ranking
This comparison is published by Agentic Index, an independent agentic AI vendor research platform. Fathom and Nym are each graded against the same 14 capability Agentic Index taxonomy, from the vendor's own public materials under the Agentic Index verification standard, alongside 969 researched vendors. No vendor pays for placement and no vendor has reviewed this page. How this evidence is graded
Choose Fathom if
- Workflow breadth is the requirement: facility, professional fee, coding review and risk adjustment.
- HITRUST i1 certification is a compliance requirement rather than a preference.
- Independent KLAS validation of the automation rate is the evidence standard you apply.
Choose Nym if
- You want the confidence threshold published, so you know exactly where autonomy stops.
- Documented coverage is broader across the matrix.
- Per code audit trails are what your compliance team will ask to see first.
| At a glance | Fathom | Nym |
|---|---|---|
| Category | Healthcare agent | Healthcare agent |
| Entry price | Contact sales | Contact sales |
| Free / trial | None public | None public |
| Pricing confidence | contact only | contact only |
| Feature | F Fathom |
N Nym |
|---|---|---|
| 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. |
Partial | 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. |
Partial | Partial |
| 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. |
Partial | Full / Explicit |
|
Memory & State Persistence Ability to persist context across a run, conversation, workflow, user, team, or longer-term memory layer. |
No / Not documented | No / Not documented |
| Control & trust | ||
|
Human Oversight & Guardrails Approval steps, consent checkpoints, escalation rules, structured guardrails, policy constraints, and pause/resume controls. |
Partial | Full / Explicit |
|
Security, Identity & Governance RBAC, SSO, auditability, encryption, least-privilege tool access, compliance posture, and data handling policy. |
Full / Explicit | Partial |
|
Observability & Auditability Traces, logs, execution histories, metrics, audit events, and debugging detail for production agent behavior. |
Partial | Full / Explicit |
|
Deployment & Data Residency Deployment modes and options, including SaaS, dedicated cloud, VPC, on-prem, hybrid, local runtime, and self-hosting. |
Partial | 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. |
Partial | 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. |
No / Not documented | No / Not documented |
|
APIs, SDKs & MCP Extensibility Composability layer: stable APIs, SDKs, MCP tool consumption/serving, custom tools, and integration into internal systems. |
No / Not documented | No / Not documented |
|
Testing, Debugging & Optimization Testing, debugging, scoring, retries, fallbacks, quality gates, and optimization loops for improving agent workflows before and after deployment. |
Partial | 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 | F Fathom |
N Nym |
|---|---|---|
|
Entry price Lowest public entry point |
Contact sales | Contact sales |
|
Pricing confidence How public the numbers are |
Contact only | Contact only |
|
Billing Primary billing axis |
— | — |
|
Variable cost Workload / overage exposure |
High variable cost | High variable cost |
|
Free tier / trial Try before you buy |
No free tier
|
No free tier
|
|
Buying motion Self-serve vs sales call |
Sales call | Sales call |
More comparisons with Fathom or Nym
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Not the pairing you were after? These compare a different set of healthcare agents on the same 14 capabilities.