Pydantic AI
Monitor and evaluate AI agents in production with integrated tracing and failure analysis
- Also known as
- pydantic-ai
Available worldwide
What is Pydantic AI?
An observability platform purpose-built for AI applications that captures agent execution traces, model calls, and tool interactions across your entire stack, enabling automated evaluation to identify and fix production failures.
Pydantic AI pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Free tier for 10M spans/month. Paid plans from $49/month with flat-rate overage pricing at $2 per million spans.
Personal
FreeFor solo developers
- spans
- 10M/month
- 10M spans per month
- Hard cap to prevent bill shock
Team
- Overage billing at flat rate
- Seat limits apply
Growth
- No seat limits
- Overage billing at flat rate
What Pydantic AI does
The capabilities that matter for mlops & llmops tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Tool role
- LLM observability / eval
- Self-hostable / OSS core
- ✓
- Managed cloud available
- ✓
- On-prem / VPC deployment
- ✓
- LLM tracing / observability
- ✓
- Evaluation (offline / LLM-judge / human)
- ✓
- Prompt management + versioning
- ✓
- Experiment tracking / model registry
- ✓
- Model serving / inference endpoint
- ✓
- OpenTelemetry / OpenLLMetry compatible
- ✓
- Framework-agnostic
- ✓
- Multi-provider model support
- ✓
- No-train-on-customer-data guarantee
- Unknown
Platform & deployment
Independently observed- Web
- Cloud / SaaS
- Self-hosted
Integrations (10)
Independently observed- Pydantic AI
- Pydantic Evals
- OpenTelemetry
- Model Context Protocol (MCP)
- Snowflake
- FastAPI
- OpenAI
- LangChain
- HuggingFace
- Prefect
Security & compliance
Independently observed- SOC 2 Type II · Type IIactive
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Pydantic AI FAQ
Common questions about Pydantic AI, answered from independent, dated evidence.
What is Pydantic AI?
A comprehensive toolkit combining an open-source Python agent development framework with a managed observability platform designed specifically for AI applications, including monitoring, evaluation, and LLM gateway capabilities. It is indexed under MLOps & LLMOps Tools.
Source: https://pydantic.dev/articles/ai-observability-pricing-comparison
Is Pydantic AI free to use?
Pydantic AI is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. A commercial or hosted edition starts at $2. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.
Source: https://pydantic.dev/articles/ai-observability-pricing-comparison
What platforms does Pydantic AI support?
Pydantic AI supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://pydantic.dev/articles/ai-observability-pricing-comparison
Can Pydantic AI be self-hosted?
Yes. Pydantic AI can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://pydantic.dev/articles/ai-observability-pricing-comparison
What does Pydantic AI integrate with?
We have confirmed 10 integrations for Pydantic AI, including Pydantic AI, Pydantic Evals, OpenTelemetry, Model Context Protocol (MCP), Snowflake, FastAPI, OpenAI and LangChain, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://pydantic.dev/articles/ai-observability-pricing-comparison
What security certifications does Pydantic AI have?
We have independently confirmed SOC 2, HIPAA and GDPR for Pydantic AI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Pydantic AI not holding them. Always confirm compliance directly before you rely on it.
Source: https://pydantic.dev/security
Is Pydantic AI open source?
Yes. Pydantic AI is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Pydantic AI alternatives
Other mlops & llmops tools we track, ranked by the same independent score.
- PortkeyAn API gateway for routing requests across thousands of language models with built-in safety guardrailshigh · 76%
- LangChainA platform for building, testing, and operating AI agents at scalemedium · 70%
- BasetenAn inference platform for deploying and running AI models at scalemedium · 73%
- Together AICloud platform for deploying and running open-source AI models with optimized inferencemedium · 61%
- OllamaA platform for running open-source language models locally or in the cloud with cost-effective access.medium · 57%
- RayDistributed computing infrastructure for scaling machine learning applicationsmedium · 65%
Compare Pydantic AI
Side by side against other mlops & llmops tools, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Pydantic AI, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package downloads | 84 | 0.14 | 11.5 | ✓ |
| Capabilities | 100 | 0.09 | 9.2 | ✓ |
| Pricing transparency | 100 | 0.08 | 8.4 | ✓ |
| Development activity | 63 | 0.09 | 5.9 | ✓ |
| Release cadence | 99 | 0.05 | 5.2 | ✓ |
| Security posture | 60 | 0.06 | 3.8 | ✓ |
| Price level | 50 | 0.05 | 2.6 | ✓ |
| Integrations | 26 | 0.09 | 2.4 | ✓ |
| Stars | 81 | 0.03 | 2.1 | ✓ |
| Reliability | 0 | 0.06 | 0.0 | - |
| Dependent projects | 0 | 0.06 | 0.0 | ✓ |
| Security score | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-09-13 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 7 items | mediumsource · 2026-09-10 · 66% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Role: observability · Evaluation: Yes · Soc2 type ii: Yes · Managed cloud: Yes · Model serving: Yes · Pricing model: commercial_enterprise_platform | mediumsource · 2026-09-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 7 | mediumsource · 2026-08-21 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Python | highsource · 2026-09-13 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-09-13 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | mediumsource · 2026-09-13 · 50% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Gdpr | Yes | highsource · 2026-09-13 · 75% |
| Hipaa | Yes | highsource · 2026-09-13 · 75% |
| Soc2 | Yes | highsource · 2026-09-13 · 75% |
| Disclosure policy | Yes | mediumsource · 2026-08-21 · 60% |
| Vulnerabilities | Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pydantic-evals&per_page=100 · Last 12m: 0 | highsource · 2026-09-13 · 90% |
| Certifications | SOC 2 Type II | mediumsource · 2026-09-13 · 60% |
| Trust center | https://pydantic.dev/security | mediumsource · 2026-09-13 · 60% |
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