CalypsoAI vs Fiddler AI
Side-by-side comparison of framework coverage, pricing, capabilities, and target customers. Last verified recently.
https://aicompliancevendors.com/compare/calypsoai-vs-fiddler-aiCalypsoAI
Adaptive AI security platform securing models and applications at inference layer
CalypsoAI provides a full-lifecycle platform to secure AI models, applications, and agents at the inference layer against adversarial threats, data leaks, and compliance failures. The platform offers real-time threat defense, proactive red-teaming with agentic testing against thousands of attack prompts monthly, runtime guardrails for sensitive data and policy enforcement, and centralized observability with audit logs for regulatory needs. Targeted at enterprises deploying GenAI, it supports model-agnostic protection across SaaS, on-premises, and hybrid environments, enabling safe innovation without vendor lock-in. Acquired by F5 in 2025 for $180M, its capabilities integrate into F5's application delivery platform.F5 press release, Paladin press, homepage (279 words)
Fiddler AI
AI observability and security platform for enterprise ML and LLM applications
Fiddler AI provides an observability and security platform that monitors, analyzes, explains, and governs predictive ML models, generative AI, and agentic applications across their lifecycle. The platform offers visibility into agent behaviors, root cause analysis for failures, real-time guardrails for safety, faithfulness, PII detection, and policy enforcement. It supports enterprises in building trust through continuous monitoring, auditable logs, and evidence collection for compliance needs like GDPR and HIPAA. Targeted at Fortune 500 companies, particularly in financial services for use cases like fraud detection, risk assessment, and chatbots, Fiddler distinguishes itself with agentic observability, Fiddler Trust Models for cost-effective evaluations, and native integrations with tools like LangGraph and AWS SageMaker. Fiddler homepage, product page, financial services, about.
What the data shows
We haven't published an editorial verdict on this pair yet. The comparison below is built from public vendor materials and our taxonomy — no editorialized ranking.
- Shared framework coverage: EU AI Act, HIPAA
- Only CalypsoAI covers: GDPR Art. 22
- Shared capabilities: 6 of 15 listed.
Want our editorial take? Email the editors or read our methodology.
At a glance
| Attribute | CalypsoAI | Fiddler AI |
|---|---|---|
| Founded | 2018 | 2018 |
| Headquarters | Dublin, IE | Palo Alto, US |
| Employees | 51-200 | 51-200 |
| Funding | $40M+ venture funding; Series A $13M (2020, Paladin-led), $23M (2023, Paladin-led), Crosspoint (2025); acquired by F5 for $180M (2025) | Series C, $30M, 2026 led by RPS Ventures; total $100M |
| Pricing | Enterprise licensing; contact sales for quote, depending on deployment (SaaS/on-prem/hybrid) and plan. | Contact for pricing |
| Website | Visit site | Visit site |
Framework coverage
| Framework | CalypsoAI | Fiddler AI |
|---|---|---|
| EU AI Act | Partial | Partial |
| GDPR Art. 22 | Partial | — |
| HIPAA | Partial | Partial |
Capabilities
| Capability | CalypsoAI | Fiddler AI |
|---|---|---|
| AI Incident Response | ✓ | — |
| AI Model Inventory | — | ✓ |
| Agent Tracing | — | ✓ |
| Audit Logging | ✓ | ✓ |
| Bias & Fairness Testing | — | ✓ |
| Drift Detection | — | ✓ |
| Explainability | — | ✓ |
| Hallucination Detection | ✓ | ✓ |
| LLM Evaluation | ✓ | ✓ |
| LLM Guardrails | ✓ | ✓ |
| LLM Guardrails & Content Filtering | ✓ | — |
| LLM Observability | ✓ | ✓ |
| LLM Red Teaming | ✓ | ✓ |
| Model Monitoring | — | ✓ |
| Prompt Management | ✓ | — |
Industries served
CalypsoAI
- Government & Public Sector
- Defense & National Security
Fiddler AI
- Financial Services
- Healthcare
- Insurance
- Government & Public Sector
Integrations
CalypsoAI
- None listed
Fiddler AI
- None listed
Frequently asked
What is the difference between CalypsoAI and Fiddler AI?+
CalypsoAI is Adaptive AI security platform securing models and applications at inference layer; Fiddler AI is AI observability and security platform for enterprise ML and LLM applications. The full side-by-side covers framework coverage (2 shared, 1 unique to CalypsoAI, 0 unique to Fiddler AI), pricing model, and capability overlap.
How do CalypsoAI and Fiddler AI pricing compare?+
CalypsoAI: Enterprise licensing; contact sales for quote, depending on deployment (SaaS/on-prem/hybrid) and plan. Fiddler AI: Free tier available; Developer at $0.002 per trace; Enterprise contact sales.
Which AI compliance frameworks do CalypsoAI and Fiddler AI both support?+
Both vendors document support for EU AI Act, HIPAA. Coverage strength varies; see the framework matrix below.
Get quotes from both
Want a side-by-side proposal? Send a single structured request to CalypsoAI and Fiddler AI and each will reply with scope, pricing, and timelines. You'll see exactly what we share before submitting.
Vendors pay a flat per-lead fee when they receive a qualified request. That fee does not influence what you see on this page. Details.
Related
Keep reading
Editorial independence: This comparison is free and was not paid for by either vendor. See our methodology.