Coval (YC S24) vs Fiddler AI
49 fields both were evaluated on, 26 of them different — including where one discloses something the other does not. Every value links to the document it came from. 23 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Coval (YC S24) | Fiddler AI |
|---|---|---|
| Audit trail· | “Agent Behaviors to Evaluate The moments that make or break the call.”www.coval.dev · checked Aug 1, 2026 | Every enforcement decision is recorded with who triggered it and what happened, giving you audit evidence ready for GRC standards and AI regulations. “Auditable Governance Every enforcement decision is recorded with who triggered it and what happened, giving you audit evidence ready for GRC standards and AI regulations.”www.fiddler.ai · checked Aug 6, 2026 |
| Explainability· | “Explanation The agent proceeded with account-level requests without completing the required identity verification steps.”www.coval.dev · checked Aug 1, 2026 | See every action, token, and dollar by user and team for fleet-wide intelligence “See the performance of all your agents in a single pane of glass. See every action, token, and dollar by user and team for fleet-wide intelligence”www.fiddler.ai · checked Aug 6, 2026 |
| Runtime governance· | “Protect the account. Prove identity verification holds before an agent shares sensitive information or takes action.”www.coval.dev · checked Aug 1, 2026 | Fiddler Guardrails enforce policy inline, at the agent's request and response path, in under 80ms, so violations are stopped before data ever leaves your network “Fiddler Guardrails enforce policy inline, at the agent's request and response path, in under 80ms, so violations are stopped before data ever leaves your network, not flagged after the fact.”www.fiddler.ai · checked Aug 6, 2026 |
| Permission scopes· | no public information www.fiddler.ai · checked Aug 6, 2026 | |
| Compliance certifications· | “SOC 2 Type II Secure, compliant data management across all systems. In Progress GDPR Data processed and stored in compliance with European regulation. HIPAA Built to handle Protected Health Information compliantly.”www.coval.dev · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations | Fiddler states it complies with HIPAA “Fiddler is in compliance with the U.S. Health Insurance and Accountability Act (HIPAA)”www.fiddler.ai · checked Aug 26, 2026 |
| Regulatory alignment· | “In Progress GDPR Data processed and stored in compliance with European regulation. HIPAA Built to handle Protected Health Information compliantly.”www.coval.dev · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations | audit evidence ready for GRC standards and AI regulations “Auditable Governance Every enforcement decision is recorded with who triggered it and what happened, giving you audit evidence ready for GRC standards and AI regulations.”www.fiddler.ai · checked Aug 6, 2026 |
| Evaluation coverage· | “Coval gives teams the voice AI testing, evals, and QA loop”www.coval.dev · checked Aug 1, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Service type· | Voice AI Testing & Evaluation Platform “Voice AI Testing & Evaluation Platform | Coval”www.coval.dev · checked Aug 1, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Underwriting backing· | no public information www.fiddler.ai · checked Aug 6, 2026 | |
| Client types· | no public information www.coval.dev · checked Aug 1, 2026 | software and AI engineers, data scientists, platform and DevOps teams, and security and compliance teams “Who uses Fiddler AI? Fiddler AI is used by organizations deploying agents across all industries, as well as highly regulated industries like financial services , healthcare , insurance , and government . Within these organizations, the typical users are software and AI engineers, data scientists, platform and DevOps teams, and security and compliance teams responsible for keeping agents and predictive models accurate, safe, and compliant across their lifecycle.”www.fiddler.ai · checked Aug 6, 2026 |
Safety
| Field | Coval (YC S24) | Fiddler AI |
|---|---|---|
| Safety evaluations· | “Coval gives teams the voice AI testing, evals, and QA loop”www.coval.dev · checked Aug 1, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Red teaming· | “Simulate Run thousands of realistic conversations before launch.”www.coval.dev · checked Aug 1, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Data handling· | “SOC 2 Type II Secure, compliant data management across all systems.”www.coval.dev · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations |
Practicality
| Field | Coval (YC S24) | Fiddler AI |
|---|---|---|
| Pricing model· | no public information www.coval.dev · checked Aug 1, 2026 | usage-based at $0.002 per trace “We offer three plans, and we work with customers to find the right fit based on their specific use cases and needs, rather than a one-size-fits-all package. The Free plan includes real-time guardrails powered by Fiddler Centor Models at under 80ms latency , protecting against hallucinations, toxicity, PII/PHI, prompt injection, and jailbreak attempts. The Developer plan is usage-based at $0.002 per trace and adds unified observability for agentic and predictive systems, custom evaluators, and SSO. The Enterprise plan adds enterprise-grade guardrails, flexible deployment (SaaS, VPC, or on-premises), infrastructure scalability, and white-glove support with a named Customer Success Manager and customized onboarding.”www.fiddler.ai · checked Aug 6, 2026 |
| Price point· | no public information www.coval.dev · checked Aug 1, 2026 | $0.002 per trace “The Developer plan is usage-based at $0.002 per trace”www.fiddler.ai · checked Aug 6, 2026 |
| Availability· | no public information www.coval.dev · checked Aug 1, 2026 | Free plan, Developer plan, Enterprise plan “We offer three plans, and we work with customers to find the right fit based on their specific use cases and needs, rather than a one-size-fits-all package. The Free plan includes real-time guardrails powered by Fiddler Centor Models at under 80ms latency , protecting against hallucinations, toxicity, PII/PHI, prompt injection, and jailbreak attempts. The Developer plan is usage-based at $0.002 per trace and adds unified observability for agentic and predictive systems, custom evaluators, and SSO. The Enterprise plan adds enterprise-grade guardrails, flexible deployment (SaaS, VPC, or on-premises), infrastructure scalability, and white-glove support with a named Customer Success Manager and customized onboarding.”www.fiddler.ai · checked Aug 6, 2026 |
| Deployment options· | no public information www.coval.dev · checked Aug 1, 2026 | SaaS, VPC, or on-premises “The Enterprise plan adds enterprise-grade guardrails, flexible deployment (SaaS, VPC, or on-premises), infrastructure scalability, and white-glove support with a named Customer Success Manager and customized onboarding.”www.fiddler.ai · checked Aug 6, 2026 |
| Integrations· | Azure OpenAI, Amazon Bedrock, LangGraph, and 100+ other providers “Fiddler is model- and cloud-agnostic, working across Azure OpenAI, Amazon Bedrock, LangGraph, and 100+ other providers”www.fiddler.ai · checked Aug 6, 2026 | |
| Supported regions· | European regulation “In Progress GDPR Data processed and stored in compliance with European regulation.”www.coval.dev · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations | AWS GovCloud “Built for the Enterprise and Government Security and scale in SaaS, VPC, and AWS GovCloud.”www.fiddler.ai · checked Aug 6, 2026 |
| Support model· | no public information www.coval.dev · checked Aug 1, 2026 | White-glove support at every stage of your AI journey, backed by our engineering and data science expertise “Customer Centric White-glove support at every stage of your AI journey, backed by our engineering and data science expertise to align AI deployments with business outcomes.”www.fiddler.ai · checked Aug 6, 2026 |
Ecosystem
| Field | Coval (YC S24) | Fiddler AI |
|---|---|---|
| Protocols supported· | no public information www.fiddler.ai · checked Aug 6, 2026 | |
| Marketplace presence· | no public information www.coval.dev · checked Aug 1, 2026 | AWS Preferred Partner “AWS Preferred Partner Run Fiddler AI Observability securely within Amazon SageMaker Studio.”www.fiddler.ai · checked Aug 6, 2026 |
Impact
| Field | Coval (YC S24) | Fiddler AI |
|---|---|---|
| User base· | teams putting voice AI in front of millions of customers “Trusted by teams putting voice AI in front of millions of customers.”www.coval.dev · checked Aug 1, 2026 | Fortune 100 organizations “Fortune 100 organizations use Fiddler to deliver high performance agentic and predictive applications, protect from costly risks, and maximize ROI.”www.fiddler.ai · checked Aug 6, 2026 |
| Deployment scale· | “Fortune 100 organizations use Fiddler to deliver high performance agentic and predictive applications, protect from costly risks, and maximize ROI.”www.fiddler.ai · checked Aug 6, 2026 | |
| Target sectors· | the world's most regulated industries “Trusted across the world's most regulated industries”www.coval.dev · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations | financial services, healthcare, insurance, and government “Fiddler AI is used by organizations deploying agents across all industries, as well as highly regulated industries like financial services , healthcare , insurance , and government .”www.fiddler.ai · checked Aug 6, 2026 |
| High-risk domains· | the world's most regulated industries “Trusted across the world's most regulated industries”www.coval.dev · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations | financial services, healthcare, insurance, and government “Fiddler AI is used by organizations deploying agents across all industries, as well as highly regulated industries like financial services , healthcare , insurance , and government .”www.fiddler.ai · checked Aug 6, 2026 |
Disclosed by neither
Both Coval (YC S24) and Fiddler AI publish nothing on these 23 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 23 identical table rows. Each is shown with its source check on the individual profiles.
- Documented incidents
- Market recognition
- API access
- Open source
- Safety policy
- Usage restrictions
- Model or system card
- Incident reporting
- Third-party evaluations
- Insurance available
- Own liability cover
- Insurance carriers
- Coverage limits
- Indemnification
- Liability cap
- Tamper-evident log
- Outcome-based pricing
- Settlement mechanism
- Asset custody
- Dispute process
- SLA terms
- Self-reported performance
- Regulatory status
Questions
- How do Coval (YC S24) and Fiddler AI compare on user base?
- Coval (YC S24): teams putting voice AI in front of millions of customers. Fiddler AI: Fortune 100 organizations.
- How do Coval (YC S24) and Fiddler AI compare on target sectors?
- Coval (YC S24): the world's most regulated industries. Fiddler AI: financial services, healthcare, insurance, and government.
- How do Coval (YC S24) and Fiddler AI compare on high-risk domains?
- Coval (YC S24): the world's most regulated industries. Fiddler AI: financial services, healthcare, insurance, and government.
- How do Coval (YC S24) and Fiddler AI compare on pricing model?
- Coval (YC S24): no public information disclosed. Fiddler AI: usage-based at $0.002 per trace.
- How do Coval (YC S24) and Fiddler AI compare on price point?
- Coval (YC S24): no public information disclosed. Fiddler AI: $0.002 per trace.
- How do Coval (YC S24) and Fiddler AI compare on availability?
- Coval (YC S24): no public information disclosed. Fiddler AI: Free plan, Developer plan, Enterprise plan.