Maxim AI alternatives
6 evaluation tools in the same lane as Maxim AI, ranked by editorial score.
OP
Opik
Evaluation · Multi-model
7.3
Open-source LLM observability and evaluation platform for debugging and monitoring AI agents in production.
Freemium· Free open-source self-host; free Cloud tier (no card); Enterprise contact salesllm-tracingagent-evaluation
GI
Giskard
Evaluation · Multi-model
8.2
Continuous AI red teaming platform that stress-tests LLM agents for vulnerabilities before they hit production.
Freemium· Open-source free tier; Giskard Hub enterprise pricing on requestllm-red-teamingagent-security-testing
AA
Athina AI
Evaluation · Multi-model
8.1
Collaborative LLM evaluation and observability platform for teams shipping AI features to production.
Freemium· Starter free (10k logs/mo); Pro & Enterprise customllm-evaluationprompt-management
AG
Agenta
Evaluation · Multi-model
6.9
Open-source LLMOps platform for prompt engineering, evaluation, and observability in one workspace.
Freemium· Hobby: $0 forever · Pro: $29 /month · Business: $299 /month · Enterprise: Custom · Open source: Free foreverprompt-engineeringllm-evaluation
PR
Promptfoo
Evaluation · Multi-model
7.2
Open-source eval and red-teaming framework for LLM apps, prompts, and RAG pipelines.
Freemium· Community: Free · Enterprise: Custom · On-Premise: Customllm-evalsred-teaming
PH
Phoenix
Evaluation · Multi-model
7.0
Open-source LLM and agent observability platform with tracing, evals, and experimentation built on OpenTelemetry.
Freemium· AX Free: Free · AX Pro: $50 · AX Enterprise: Customllm-tracingagent-debugging