# Patronus AI vs TruLens

**Leader by Vioscale score:** Patronus AI

| Attribute | Patronus AI | TruLens |
|---|---|---|
| **Vioscale score** | 69 (37% (low)) | 49.1 (32% (low)) |
| activity.commits_last_30d | - | 55 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 3,525 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true}` | `{"self_hosted":true}` |
| description.long | A managed platform that evaluates language models and AI agents using specialized scoring models, provides adversarial test datasets, monitors performance in production, and enables side-by-side comparison and debugging of AI systems at scale. | An open-source library for systematically evaluating and tracing LLM-based applications, providing feedback functions and metrics to assess quality, safety, and relevance. |
| features.capabilities | `{"pricing_model":"per_test_execution_cloud","architecture_model":"managed_enterprise_saas","mit_or_apache_permissive_oss_license":false,"llm_as_a_judge_prompt_grading_framework":true,"dashboard_analytics_for_metric_drift_over_time":true,"multi_model_side_by_side_ab_regression_testing":true,"red_teaming_and_adversarial_vulnerability_scanning":true,"specialized_rag_metrics_faithfulness_context_relevance":true}` | `{"pricing_model":"free_open_source","architecture_model":"open_source_cli","llm_as_a_judge_prompt_grading_framework":true,"dashboard_analytics_for_metric_drift_over_time":true,"multi_model_side_by_side_ab_regression_testing":true,"red_teaming_and_adversarial_vulnerability_scanning":true,"specialized_rag_metrics_faithfulness_context_relevance":true}` |
| integrations.count | 5 | 2 |
| integrations.list | `[{"name":"Smolagents"},{"name":"OpenAI Agents"},{"name":"Pydantic"},{"name":"CrewAI"},{"name":"Langchain"}]` | `[{"name":"OpenAI"},{"name":"GEPA"}]` |
| language.primary | - | Python |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Developer","summary":"Free with $10 API credits","features":["$10 in free credits","Patronus Experiments (last 2 weeks)","Patronus Comparisons","Patronus Datasets","Optional Patronus API"],"components":[{"kind":"one_time","amount":10,"currency":"USD"}],"description":"Free tier for API evaluation","contactSales":false},{"free":true,"name":"Individual","summary":"Free tier with 20 pages","features":["20 pages","Customizable options","Secure data storage","Email support"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free platform tier","contactSales":false,"includedLimits":{"pages":"20"}},{"free":false,"name":"Base","summary":"$25/month for 600 pages","features":["600 pages","Page add-ons available","24/7 customer support","Analytics and reporting","Account Management"],"components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"}],"description":"Professional plan","contactSales":false,"includedLimits":{"pages":"600"}},{"free":false,"name":"Enterprise","summary":"Custom pricing, unlimited usage, enterprise deployment options","features":["Unlimited pages and runs","On-premise or dedicated VPC deployment","Custom data retention","SSO","Premium Platform Features (Evaluation Runs, webhooks)","Premium API Features (higher rate limits, volume discounts)","Custom eval model fine-tuning","Eval dataset generation"],"description":"Custom enterprise solution with security and AI services","contactSales":true,"includedLimits":{"pages":"Unlimited"}}],"addOns":[{"name":"API - Small Evaluator","components":[{"per":{"qty":1000,"unit":"calls"},"kind":"metered","amount":10,"period":"month","currency":"USD"}]},{"name":"API - Large Evaluator","components":[{"per":{"qty":1000,"unit":"calls"},"kind":"metered","amount":20,"period":"month","currency":"USD"}]},{"name":"API - Eval Explanations","components":[{"per":{"qty":1000,"unit":"calls"},"kind":"metered","amount":20,"period":"month","currency":"USD"}]}],"summary":"Free tiers available ($0/mo), paid plan from $25/mo, API pricing from $10/1k calls","currency":"USD","freeTier":true,"sourceUrl":"https://patronus.ai/pricing","retrievedAt":"2026-08-21T10:57:53.715Z","startingPrice":{"amount":25,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.trulens.org","retrievedAt":"2026-08-21T11:03:25.225Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | mid | free |
| pricing.starting_price | `{"amount":25,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 14 |
| release.history | - | `[{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.13.1","date":"2026-08-20T18:47:11Z","type":"stable","version":"trulens-2.13.1"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.12.0","date":"2026-08-06T20:52:26Z","type":"stable","version":"trulens-2.12.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.11.0","date":"2026-08-04T17:22:33Z","type":"stable","version":"trulens-2.11.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.10.0","date":"2026-07-28T15:52:48Z","type":"stable","version":"trulens-2.10.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.9.0","date":"2026-07-23T15:33:25Z","type":"stable","version":"trulens-2.9.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.8.1","date":"2026-05-14T17:18:08Z","type":"stable","version":"trulens-2.8.1"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.8.0","date":"2026-04-30T19:16:57Z","type":"stable","version":"trulens-2.8.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.7.2","date":"2026-04-09T19:02:04Z","type":"stable","version":"trulens-2.7.2"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.7.1","date":"2026-03-10T19:15:51Z","type":"stable","version":"trulens-2.7.1"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.7.0","date":"2026-02-19T02:01:32Z","type":"stable","version":"trulens-2.7.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.6.0","date":"2026-02-04T20:34:59Z","type":"stable","version":"trulens-2.6.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.5.3","date":"2026-01-15T21:13:33Z","type":"stable","version":"trulens-2.5.3"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.5.2","date":"2025-12-11T23:00:50Z","type":"stable","version":"trulens-2.5.2"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.5.1","date":"2025-11-21T23:07:30Z","type":"stable","version":"trulens-2.5.1"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.5.0","date":"2025-11-14T23:56:50Z","type":"stable","version":"trulens-2.5.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.4.2","date":"2025-10-21T23:26:42Z","type":"stable","version":"trulens-2.4.2"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.4.1","date":"2025-10-08T07:24:27Z","type":"stable","version":"trulens-2.4.1"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.4.0","date":"2025-09-23T13:48:10Z","type":"stable","version":"trulens-2.4.0"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.3.1","date":"2025-09-04T20:26:49Z","type":"stable","version":"trulens-2.3.1"},{"url":"https://github.com/truera/trulens/releases/tag/trulens-2.3.0","date":"2025-08-28T20:33:52Z","type":"stable","version":"trulens-2.3.0"}]` |
| reliability.status_page | - | yes |
| security.gdpr | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=trulens-eval&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (AI Evals Testing)

| Capability | Patronus AI | TruLens |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Managed enterprise saas | Open source CLI |
| LLM as a judge prompt grading framework | ✓ | ✓ |
| Specialized rag metrics faithfulness context relevance | ✓ | ✓ |
| Deterministic regex and json schema assertions | - | - |
| Synthetic test dataset generation from documents | - | - |
| Ci cd github actions pipeline blocking gates | - | - |
| Red teaming and adversarial vulnerability scanning | ✓ | ✓ |
| Multi model side by side ab regression testing | ✓ | ✓ |
| Human in the loop hitl annotation UI | - | - |
| Dashboard analytics for metric drift over time | ✓ | ✓ |
| SOC2 type ii | - | - |
| Mit or apache permissive oss license | ✗ | - |
| Pricing model | Per test execution cloud | Free open source |

*Source: Vioscale. Generated 2026-09-01T15:14:08.339Z. "-" = undocumented, not absent.*