POWERING AGENTIC WORKFLOWS AT
Sully LLM · Model as a Service
For teams building
custom workflows.
Best For
EMRs and EHRs with existing orchestration layers
Product teams with custom agent pipelines
Organizations with proprietary integrations
Features
API-compatible with existing workflows — zero refactoring
FHIR R4 / HL7 structured outputs, production-ready
Bring your own orchestration (LangChain, LlamaIndex, custom)
Data stays in your infrastructure
Quarterly model updates, free
Sully Agents · Fully Managed
For teams that want to
ship tomorrow.
Best For
Organizations wanting immediate ROI
Teams without in-house AI expertise
Fast-moving EMRs and strategic EHR partnerships
WHAT'S INCLUDED
Fully managed infrastructure & autoscaling
HIPAA / BAA compliant · audit-ready logs
24/7 monitoring & incident response
White-label customization options
Continuous accuracy improvements
Clinical accuracy
Trained on 1.8M+ real encounters
Outperforms GPT-5 and Claude 4.6
Learning from 50M clinical hours
Built-in safety guardrails
Than alternatives
$0.68 / 1K vs $3.80–4.20
No infrastructure to run
No fine-tuning overhead
Predictable pricing, no surprises
Inference speed
189ms average latency
Real-time clinician workflows
Live in days, not quarters
No post-processing engineering
Built for healthcare
FHIR R4 / HL7 structured outputs
Structured JSON — not text
Evaluation framework included
Audit-ready & BAA compliant
Head-to-head on the clinical tasks your product actually depends on. Evaluated on 4,200 de-identified encounters across 12 specialties, scored by a panel of board-certified physicians.
Custom workflows
→ LLM
Immediate deploy
→ Agent
LLM path
2–3 days
Agent path
Same day
Updates
Quarterly
Fine-tune
Optional
The numbers behind the Sully foundation model — the same model powering both LLM and Agents.
We laid our own offerings against the alternatives most EMR teams are weighing in 2026.
Can I customize Sully models for my specific workflows?
Yes. Both LLM and Agent offerings support custom fine-tuning on your proprietary data. This is typically done quarterly and requires no engineering lift from your team, we handle the training pipeline, you approve the eval deltas.
How does data privacy work?
Yes. Both LLM and Agent offerings support custom fine-tuning on your proprietary data. This is typically done quarterly and requires no engineering lift from your team, we handle the training pipeline, you approve the eval deltas.
What happens if I need to switch away?
Yes. Both LLM and Agent offerings support custom fine-tuning on your proprietary data. This is typically done quarterly and requires no engineering lift from your team, we handle the training pipeline, you approve the eval deltas.
Do I need to retrain models with my data?
Yes. Both LLM and Agent offerings support custom fine-tuning on your proprietary data. This is typically done quarterly and requires no engineering lift from your team, we handle the training pipeline, you approve the eval deltas.
What's the typical ROI timeline?
Yes. Both LLM and Agent offerings support custom fine-tuning on your proprietary data. This is typically done quarterly and requires no engineering lift from your team, we handle the training pipeline, you approve the eval deltas.
Which EHRs do you integrate with?
Yes. Both LLM and Agent offerings support custom fine-tuning on your proprietary data. This is typically done quarterly and requires no engineering lift from your team, we handle the training pipeline, you approve the eval deltas.