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Best LM Evaluation Harness Alternatives in 2026

12 apps from AI LLM evaluation tools ranked against LM Evaluation Harness on the same published basis.

  1. 1
    Vellum Free plan AndroidextensioniOSMacself-hosted $30/mo7.9
    LM Evaluation Harness vs Vellum
  2. 2
    Weights & Biases Free plan apiiOSLinuxMacself-hosted $60/mo7.9
    LM Evaluation Harness vs Weights & Biases
  3. 3
    Opik Free plan apiLinuxself-hostedWeb $19/mo6.4
    LM Evaluation Harness vs Opik
  4. 4
    Braintrust Free plan apiself-hostedWeb $249/mo6.3
    LM Evaluation Harness vs Braintrust
  5. 5
    Confident AI Free plan apiself-hostedWeb $200/mo6.3
    LM Evaluation Harness vs Confident AI
  6. 6
    DeepEval Free plan LinuxMacself-hostedWin Free6.3
    LM Evaluation Harness vs DeepEval
  7. 7
    Evidently AI Free plan apiLinuxMacself-hostedWeb $80/mo6.3
    LM Evaluation Harness vs Evidently AI
  8. 8
    Galileo Free plan apiself-hostedWeb $100/mo6.3
    LM Evaluation Harness vs Galileo
  9. 9
    Giskard Free plan apiLinuxself-hostedWeb Free6.3
    LM Evaluation Harness vs Giskard
  10. 10
    Langfuse Free plan apiself-hostedWeb $29/mo6.3
    LM Evaluation Harness vs Langfuse
  11. 11
    Maxim AI Free plan apiself-hostedWeb $29/mo6.3
    LM Evaluation Harness vs Maxim AI
  12. 12
    NVIDIA NeMo Evaluator Free plan apiLinuxself-hosted Free6.3
    LM Evaluation Harness vs NVIDIA NeMo Evaluator
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