vendor · observability
Arize AI vs Fiddler AI
49 fields both were evaluated on, 28 of them different — including where one discloses something the other does not. Every value links to the document it came from. 21 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Arize AI | Fiddler AI |
|---|---|---|
| Audit trail· | “Trace everything from the team who founded OpenInference, the leading open standard for GenAI observability.”arize.com · checked Aug 8, 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· | no public information arize.com · checked Aug 8, 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· | no public information arize.com · checked Aug 8, 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· | States internal risk is mitigated through a least-privilege access policy. “internal risks are mitigated through a least-privileges policy, security quality gates and other safeguards”arize.com · checked Sep 5, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Compliance certifications· | “Arize supports flexible deployment options and is certified to leading security and compliance standards, including SOC 2 Type II, ISO 27001, PCI DSS, HIPAA, and GDPR.”arize.com · checked Aug 8, 2026 | 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· | “Arize supports flexible deployment options and is certified to leading security and compliance standards, including SOC 2 Type II, ISO 27001, PCI DSS, HIPAA, and GDPR.”arize.com · checked Aug 8, 2026 | 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· | “The most comprehensive eval framework in the market. Run span, trace, and session evals that run at scale.”arize.com · checked Aug 8, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Self-reported performance· | 1 trillion spans processed, 1 billion evals/year, 5 million downloads/month (self-reported) “Alyx 1 Trillion spans processed 1 Billion evals per year 5 Million downloads per month”arize.com · checked Aug 18, 2026 | no public information www.fiddler.ai · checked Aug 16, 2026 |
| Service type· | “Agent Observability, Evaluation & Improvement Platform | Arize AI”arize.com · checked Aug 8, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Client types· | 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 | Arize AI | Fiddler AI |
|---|---|---|
| Red teaming· | Arize runs a year-round public bug bounty program via Yogosha “We host a year-round bug bounty program facilitated by Yogosha.”arize.com · checked Aug 29, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Safety policy· | no public information www.fiddler.ai · checked Aug 6, 2026 | |
| Incident reporting· | Publishes a vulnerability-disclosure channel ("Report an Issue") for responsible disclosure of security issues. “committed to maintaining a secure platform and appreciate responsible disclosure of security issues”arize.com · checked Sep 5, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Data handling· | “Your data stays under your control. Arize supports flexible deployment options and is certified to leading security and compliance standards, including SOC 2 Type II, ISO 27001, PCI DSS, HIPAA, and GDPR.”arize.com · checked Aug 8, 2026 |
Practicality
| Field | Arize AI | Fiddler AI |
|---|---|---|
| Pricing model· | no public information arize.com · checked Sep 2, 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 arize.com · checked Aug 8, 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 arize.com · checked Aug 8, 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 arize.com · checked Aug 8, 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· | “Arize integrates with 40+ models, frameworks, and AI tools , including OpenAI, Anthropic, Google, Amazon Bedrock, LangGraph, LangChain, LlamaIndex, CrewAI, OpenAI Agents SDK, DSPy, and more.”arize.com · checked Aug 8, 2026 | 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· | “works across Google Cloud, AWS, Azure, and self-hosted environments.”arize.com · checked Aug 8, 2026 | 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 arize.com · checked Aug 8, 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 | Arize AI | Fiddler AI |
|---|---|---|
| Protocols supported· | “Built on OpenInference and OpenTelemetry standards, Arize works across Google Cloud, AWS, Azure, and self-hosted environments.”arize.com · checked Aug 8, 2026 | no public information www.fiddler.ai · checked Aug 6, 2026 |
| Marketplace presence· | no public information arize.com · checked Aug 8, 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 | Arize AI | Fiddler AI |
|---|---|---|
| User base· | Vendor-published aggregate volumes: 1 Trillion spans processed, 1 Billion evals per year, 5 Million downloads per month. NOTE: the earlier capture read "1 Billion evals per month" and "1 Trillion spans per month"; the vendor now states evals per YEAR and gives no period for spans. The prior stored value overstated the eval figure twelvefold. “Alyx 1 Trillion spans processed 1 Billion evals per year 5 Million downloads per month”arize.com · checked Aug 18, 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· | no public information arize.com · checked Aug 18, 2026 | “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· | “Teams use Arize to understand how their AI agents and applications behave, measure quality with evaluations, monitor production performance, and continuously improve prompts, models, and workflows.”arize.com · checked Aug 8, 2026 | 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· | “Teams use Arize to understand how their AI agents and applications behave, measure quality with evaluations, monitor production performance, and continuously improve prompts, models, and workflows.”arize.com · checked Aug 8, 2026 | 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 |
| Market recognition· | Customer testimonials from TripAdvisor and Wayfair (both named on the vendor homepage) “"For anybody who is building AI products or AI solutions, Arize AX is a must for your production system." Rahul Todkar Head of Data and AI | TripAdvisor”arize.com · checked Aug 18, 2026 | no public information www.fiddler.ai · checked Aug 16, 2026 |
Disclosed by neither
Both Arize AI and Fiddler AI publish nothing on these 21 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 21 identical table rows. Each is shown with its source check on the individual profiles.
- Documented incidents
- API access
- Open source
- Safety evaluations
- Usage restrictions
- Model or system card
- 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
- Regulatory status
- Underwriting backing
Questions
- How do Arize AI and Fiddler AI compare on user base?
- Arize AI: Vendor-published aggregate volumes: 1 Trillion spans processed, 1 Billion evals per year, 5 Million downloads per month. NOTE: the earlier capture read "1 Billion evals per month" and "1 Trillion spans per month"; the vendor now states evals per YEAR and gives no period for spans. The prior stored value overstated the eval figure twelvefold.. Fiddler AI: Fortune 100 organizations.
- How do Arize AI and Fiddler AI compare on market recognition?
- Arize AI: Customer testimonials from TripAdvisor and Wayfair (both named on the vendor homepage). Fiddler AI: no public information disclosed.
- How do Arize AI and Fiddler AI compare on pricing model?
- Arize AI: no public information disclosed. Fiddler AI: usage-based at $0.002 per trace.
- How do Arize AI and Fiddler AI compare on price point?
- Arize AI: no public information disclosed. Fiddler AI: $0.002 per trace.
- How do Arize AI and Fiddler AI compare on availability?
- Arize AI: no public information disclosed. Fiddler AI: Free plan, Developer plan, Enterprise plan.
- How do Arize AI and Fiddler AI compare on deployment options?
- Arize AI: no public information disclosed. Fiddler AI: SaaS, VPC, or on-premises.