The Geeks Club
Vendor dashboard
Search
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements

Best LM Evaluation Harness Alternatives in 2026

Updated

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

  1. 1
    Weights & Biases Free plan apiiOSLinuxMacself-hosted $60/mo8.0
    LM Evaluation Harness vs Weights & Biases
  2. 2
    Evidently AI Free plan apiLinuxMacself-hostedWeb $80/mo7.9
    LM Evaluation Harness vs Evidently AI
  3. 3
    Opik Free plan apiLinuxself-hostedWeb $19/mo7.7
    LM Evaluation Harness vs Opik
  4. 4
    Maxim AI Free plan apiself-hostedWeb $29/mo7.6
    LM Evaluation Harness vs Maxim AI
  5. 5
    Vellum Free plan AndroidextensioniOSMacself-hosted $30/mo7.4
    LM Evaluation Harness vs Vellum
  6. 6
    Promptfoo Free plan apiLinuxMacself-hostedWeb Free7.3
    LM Evaluation Harness vs Promptfoo
  7. 7
    DeepEval Free plan LinuxMacself-hostedWin Free7.2
    LM Evaluation Harness vs DeepEval
  8. 8
    Giskard Free plan apiLinuxself-hostedWeb Free7.1
    LM Evaluation Harness vs Giskard
  9. 9
    Langfuse Free plan apiself-hostedWeb $29/mo7.1
    LM Evaluation Harness vs Langfuse
  10. 10
    LangWatch Free plan apiLinuxself-hostedWeb €29/mo7.1
    LM Evaluation Harness vs LangWatch
  11. 11
    Rhesis AI Free plan apiLinuxself-hostedWeb Free7.1
    LM Evaluation Harness vs Rhesis AI
  12. 12
    Braintrust Free plan apiself-hostedWeb $249/mo7.0
    LM Evaluation Harness vs Braintrust
  13. 13
    Galileo Free plan apiself-hostedWeb $100/mo7.0
    LM Evaluation Harness vs Galileo
  14. 14
    LangSmith Free plan apiself-hostedWeb $39/mo7.0
    LM Evaluation Harness vs LangSmith
  15. 15
    NVIDIA NeMo Evaluator Free plan apiLinuxself-hosted Free7.0
    LM Evaluation Harness vs NVIDIA NeMo Evaluator
  16. 16
    Arize Phoenix Free plan apiself-hostedWeb Free6.9
    LM Evaluation Harness vs Arize Phoenix
  17. 17
    HoneyHive Free plan apiself-hostedWeb Free6.9
    LM Evaluation Harness vs HoneyHive
  18. 18
    Confident AI Free plan apiself-hostedWeb $200/mo6.8
    LM Evaluation Harness vs Confident AI
  19. 19
    Inspect AI Free plan apiextension Free6.7
    LM Evaluation Harness vs Inspect AI
  20. 21
    RAGChecker Free plan self-hosted Free6.6
    LM Evaluation Harness vs RAGChecker

LM Evaluation Harness alternatives compared

#PlatformScoreFree planFromRuns on
1Weights & Biases8.0Free plan$60/moAPI, iOS, Linux, Mac, self-hosted, Web, Windows
2Evidently AI7.9Free plan$80/moAPI, Linux, Mac, self-hosted, Web, Windows
3Opik7.7Free plan$19/moAPI, Linux, self-hosted, Web
4Maxim AI7.6Free plan$29/moAPI, self-hosted, Web
5Vellum7.4Free plan$30/moAndroid, Browser, iOS, Mac, self-hosted, Web, Windows
6Promptfoo7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
7DeepEval7.2Free planFreeLinux, Mac, self-hosted, Windows
8Giskard7.1Free planFreeAPI, Linux, self-hosted, Web
9Langfuse7.1Free plan$29/moAPI, self-hosted, Web
10LangWatch7.1Free plan€29/moAPI, Linux, self-hosted, Web
11Rhesis AI7.1Free planFreeAPI, Linux, self-hosted, Web
12Braintrust7.0Free plan$249/moAPI, self-hosted, Web
13Galileo7.0Free plan$100/moAPI, self-hosted, Web
14LangSmith7.0Free plan$39/moAPI, self-hosted, Web
15NVIDIA NeMo Evaluator7.0Free planFreeAPI, Linux, self-hosted
16Arize Phoenix6.9Free planFreeAPI, self-hosted, Web
17HoneyHive6.9Free planFreeAPI, self-hosted, Web
18Confident AI6.8Free plan$200/moAPI, self-hosted, Web
19Inspect AI6.7Free planFreeAPI, Browser
21RAGChecker6.6Free planFreeself-hosted
Make your platform an alternative to LM Evaluation Harness

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about LM Evaluation Harness alternatives

What is the best alternative to LM Evaluation Harness?

Weights & Biases, number 1 in AI LLM evaluation tools with a score of 8.0 out of 10. The others here: Evidently AI, Opik, Maxim AI and 16 more.

What is the best free alternative to LM Evaluation Harness?

Weights & Biases is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.