DeepEval
DeepEval: A broad open-source toolkit for evaluating LLM apps, agents, RAG pipelines, and chatbots. Ranked #1 of 29 in LLM Evaluation Tools by our editors (9.4/10); pricing: Free plan; best for teams wanting broad open-source LLM evaluation.
At a glance
- Editor score9.4 / 10
- PricingFree plan
- Best forTeams wanting broad open-source LLM evaluation
- Free planYes
- Paid fromFree
- Deployment optionsBoth
- Facts checked20 Sep 2026
Where it wins
- 50+ ready-to-use metrics plus custom evaluation criteria
- Supports safety, tracing, synthetic data, prompts, and CI/CD
- Integrates with OpenAI, LangChain, CrewAI, LlamaIndex, and more
Where it doesn't
- Advanced collaboration features require the optional cloud platform
- No-code workflows and live-traffic evaluations start with Starter
- Enterprise controls such as HIPAA and on-premises deployment are tiered
Our verdict on DeepEval
DeepEval is an open-source framework for evaluating LLM applications locally in Python and TypeScript. It covers end-to-end, trajectory-based, and component-level evaluations for agents, RAG pipelines, chatbots, MCP systems, and other workflows. Its feature set includes 50+ ready-to-use metrics, custom criteria through G-Eval and other metric builders, LLM-as-a-judge evaluation, safety metrics, synthetic evaluation dataset generation, prompt optimization, tracing, and Pytest-based CI/CD execution. It fits development teams that want broad evaluation coverage without starting with a hosted platform.
The free open-source framework includes LLM unit and regression testing, development and CI/CD evaluations, LLM tracing, prompt versioning, and cloud datasets. The optional Confident AI platform adds progressively broader operational features. Starter includes no-code evaluation workflows, custom metrics, online evaluations on live traffic, annotation queues, chat simulations, and real-time alerting. Team adds metric and dataset versioning, Git-based prompt workflows, custom RBAC, SOC 2, SSO, and a dedicated support channel. Enterprise adds advanced AI authentication, an organization management API, dedicated on-premises deployment, custom data residency, HIPAA, and dedicated 24x7 technical support.
Platform fit is a major strength: DeepEval supports Windows, macOS, and Linux and integrates with OpenAI, OpenAI Agents, LangChain, LangGraph, CrewAI, LlamaIndex, Anthropic, and Pydantic AI. That makes it suitable for teams evaluating varied LLM and agent stacks, especially when CI/CD execution and custom metrics matter. Teams seeking a local, open-source evaluation framework should consider DeepEval. Teams primarily needing no-code workflows, production monitoring, collaboration, or enterprise controls should plan around the optional cloud tiers.
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DeepEval pricing
All 4 DeepEval plans and prices →
DeepEval fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment options | Both |
| Custom metrics | Yes |
| LLM-as-a-judge | Yes |
| Safety evaluations | Yes |
| Human review workflows | Yes |
| Prompt versioning | Yes |
| CI/CD integration | Yes |
| Deployment | Cloud, Self-hosted |
| Platforms | Windows, macOS, Linux |
| Compliance & security | SOC 2, GDPR, HIPAA, SSO/SAML |
| Support | Community, Docs · 24/7 |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 8 integrations: OpenAI, OpenAI Agents, LangChain, LangGraph, CrewAI, LlamaIndex … |
| Pricing | Free plan (source) |
| Website | deepeval.com |
| Facts checked | 20 Sep 2026 |
DeepEval integrations
DeepEval lists 8 integrations on its own site.
- OpenAI
- OpenAI Agents
- LangChain
- LangGraph
- CrewAI
- LlamaIndex
- Anthropic
- Pydantic AI
Alternatives to DeepEval
- PromptfooA broad evaluation toolkit for teams that need testing, security scans, and CI/CD gates.9.3
- GalileoA mature evaluation platform spanning offline testing, production tracing, and runtime controls.9.1
- Maxim AIA broad evaluation workflow with a free plan and $29-per-seat Professional tier.9.0
See all DeepEval alternatives →
DeepEval vs the competition
- DeepEval vs Promptfoo
- DeepEval vs Galileo
- DeepEval vs Maxim AI
- DeepEval vs Braintrust
- DeepEval vs Confident AI
- DeepEval vs Parea AI
Compare DeepEval with any tool side by side →
Also Ranked In
DeepEval is ranked in 5 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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