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EvalConfident AI

DeepEval

Pytest-style framework for evaluating LLM apps in CI.

Category
Eval
Pricing
FREEMIUM
Source
Open core
Hosting
Hybrid
Platforms
CLIAPI
Models
BYO key / model
Verified
Jun 7, 2026

Open-source (Apache 2.0) framework for evaluating LLM apps the way Pytest tests code — assertions backed by 50+ ready metrics spanning LLM-as-judge, RAG, agents, conversation, and safety. Plugs into LangChain, CrewAI, OpenAI Agents and more. Confident AI is the paid cloud platform that adds test management, dashboards, and observability on top.

Capabilities 2

What it actually does — grouped by capability family.

  • LLM evaluation (primary capability)
  • LLM observability (secondary capability)

Pros & cons

  • Assertions run in your CI pipeline
  • Metrics for RAG, agents, and safety
  • Bring any judge model (BYO key)
  • Integrates LangChain/CrewAI/OpenAI
  • LLM-as-judge adds cost
  • Dashboards need paid Confident AI
  • Judge metrics can be noisy

Tags

View all Eval
  • View Promptfoo details
    EvalFREEOSS

    Promptfoo

    Promptfoo

    LLM eval CLI with rubric scoring and golden sets.

    YAML-driven eval harness. Pair a prompt with a goldset, define rubrics, run across multiple models in CI. Strong for catching prompt regressions before they hit production.

    YAML-driven, version-controllable evals
    CLI-first, less of a hosted UI
    • eval
    • ci
    • rubric
    • open-source
  • View Ragas details
    EvalFREEOSS

    Ragas

    Exploding Gradients

    Evaluation toolkit for RAG and LLM applications.

    Open-source (Apache-2.0) Python framework for evaluating retrieval-augmented generation and LLM apps. Provides reference-free metrics — faithfulness, answer relevancy, context precision/recall — plus knowledge-graph-based synthetic test generation. Integrates with LangChain, LlamaIndex, and CI pipelines.

    Faithfulness & relevancy metrics
    LLM-judge scores add cost/variance
    • eval
    • rag
    • llm-as-judge
    • open-source
    • +1
  • View Braintrust details
    EvalFREEMIUM

    Braintrust

    Braintrust

    Hosted eval + tracing platform for LLM apps.

    Production-grade eval orchestration with a dashboard, dataset versioning, and OpenTelemetry tracing. Useful once eval volume outgrows a CI YAML file.

    Eval workflow as the primary interface
    Closed-source SaaS
    • eval
    • tracing
    • datasets
    • production
  • View LangSmith details
    ObservabilityFREEMIUM

    LangSmith

    LangChain

    LangChain's hosted observability + eval platform.

    Tracing, dataset management, eval orchestration, and prompt playground from the LangChain team. Pairs naturally if LangChain or LangGraph already runs in your stack, but works standalone via SDKs.

    Native LangChain/LangGraph tracing
    Closed source, cloud-only
    • tracing
    • evals
    • datasets
    • langchain