AI Tools
Best AI Agent Evaluation Tools in 2026
Evaluating AI agents involves checking how tools handle test data, traces, tool calls, regressions, and safety. Compare evaluation methods and safety evaluations with trace ingestion, tool-call checks, regression runs, and SDK language support.
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DeepEval DeepEval suits developers building evaluation pipelines for AI systems, particularly those who want tests to run in CI/CD or Python scripts.
From $200/mo Free plan Open source Web · Windows · macOS · Linux9.3 Visit Specs - 02
Future AGI AI Evaluation SDK It suits startup and enterprise teams building or operating AI agents who need evaluation, simulation, and monitoring tools.
From $250/mo Free plan Open source Web · Windows · macOS · Linux9.3 Visit Specs - 03
Braintrust Braintrust is aimed at teams operating AI agents in production, from early-stage teams to enterprises.
From $249/mo Free plan Web · API · Self-hosted9.2 Visit Specs - 04
LangSmith LangSmith suits teams engineering AI agents that need evaluation, tracing, prompt work, deployment, and production monitoring.
From $39/mo Free plan Web · Windows · macOS · Linux9.1 Visit Specs - 05
LangWatch LangWatch suits AI teams shipping agents, including developers, product owners, QA, and domain experts working with evaluation workflows.
From €29/mo Free plan Open source Web · macOS · Linux · API9.0 Visit Specs - 06
Opik Opik suits teams developing applications or agents that make calls to an LLM and want tracing and evaluation across the development cycle.
From $19/mo Free plan Open source Web · Windows · macOS · Linux8.9 Visit Specs - 07
Arklex Arklex suits AI engineers, QA teams, and product teams building or operating AI agents.
Free plan Linux · API · Self-hosted8.8 Visit Specs - 08
Giskard Giskard suits teams evaluating conversational AI agents for security and quality issues before production.
Free plan Open source Web · Linux · API · Self-hosted8.7 Visit Specs - 09
W&B Weave Weave suits teams monitoring and evaluating production AI agents, particularly those using supported frameworks and models.
From $60/mo Free plan Open source Web · Windows · macOS · Linux8.6 Visit Specs - 10
AgentClash AgentClash suits teams evaluating multi-step agents for coding, research, SRE, operations, support, or codebase question answering.
From $49/mo Free plan Web · API · Self-hosted8.5 Visit Specs - 11
Promptfoo It suits developers and enterprises evaluating prompts or testing AI applications for risks.
Free plan Open source Web · Windows · macOS · Linux8.4 Visit Specs - 12
Maxim AI It suits cross-functional AI teams that need to evaluate agents and monitor them in production.
From $29/mo Free plan Web · API · Self-hosted8.1 Visit Specs - 13
Noveum Noveum suits teams operating production chatbots, voice agents, or multi-agent workflows that need tracing, evaluation, and fix validation.
From $69/mo Free plan Web · Linux · API · Self-hosted8.0 Visit Specs - 14
Benchboard From $39/mo Free trial Web7.9 Visit Specs - 15 Google Cloud Agent Evaluation
It suits teams evaluating agents across test scenarios and production traces, including teams that need automated prompt improvement or simulated tool behavior.
Free plan Web · API7.9 Visit Specs - 16 TruLens Free plan Open source API · Self-hosted7.9 Visit Specs
- 17 Exgentic Web · Linux · API · Self-hosted7.8 Visit Specs
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Galileo Galileo is designed for engineers, product managers and subject matter experts building AI applications.
From $100/mo Web · API · Self-hosted7.8 Visit Specs - 19
HoneyHive HoneyHive is aimed at AI platform teams, AI engineers, domain experts, and risk or governance teams.
Free plan Web · API · Self-hosted7.8 Visit Specs - 20 Parea AI
It suits teams building production LLM applications that need evaluations, production observability, prompt testing, or human review.
From $150/mo Free plan Web · API · Self-hosted7.8 Visit Specs - 21 Strands Evals
It suits developers who want to validate agent behavior, measure changes, and evaluate agents during development cycles.
Free plan Windows · macOS · Linux · API7.6 Visit Specs - 22 MLflow GenAI Evaluation
It is designed for teams building and operating LLM applications and AI agents that need evaluation and monitoring across the application lifecycle.
Free plan Web · API · Self-hosted7.5 Visit Specs - 23
Inspect AI Inspect AI suits developers and teams building or comparing language-model evaluations, agents, and safety checks.
Free plan API · Browser extension7.4 Visit Specs - 24 Tangle
Tangle suits teams operating coding or other AI agents that need isolated Linux environments, detailed run traces, and human approval before changes.
Free plan Web · Linux · API7.4 Visit Specs - 25 OpenAgent Eval Windows · macOS · Linux · API7.3 Visit Specs
Dataset limits, free-plan availability, and paid-from pricing can further shape which options suit your workflow. W&B Weave, Noveum, and Future AGI AI Evaluation SDK are names to examine against the criteria listed. Consider the kinds of agent behavior you need to assess, the data you expect to evaluate, and whether the supported languages and available evaluation features meet those needs.
Compare DeepEval and Future AGI AI Evaluation SDK Get a place on this list