Best NVIDIA NeMo Evaluator Alternatives in 2026

Updated October 2026

20 apps from AI LLM evaluation tools ranked against NVIDIA NeMo Evaluator on the same published basis.

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

NVIDIA NeMo Evaluator alternatives compared

#	App	Score	Free plan	From	Runs on
1	Vellum	7.4	Free plan	$30/mo	Android, Browser, iOS, Mac, self-hosted, Web, Windows
2	Weights & Biases	7.4	Free plan	$60/mo	API, iOS, Linux, Mac, self-hosted, Web, Windows
3	Evidently AI	7.3	Free plan	$80/mo	API, Linux, Mac, self-hosted, Web, Windows
4	Promptfoo	7.2	Free plan	Free	API, Linux, Mac, self-hosted, Web, Windows
5	DeepEval	7.1	Free plan	Free	Linux, Mac, self-hosted, Windows
6	Giskard	7.0	Free plan	Free	API, Linux, self-hosted, Web
7	Opik	7.0	Free plan	$19/mo	API, Linux, self-hosted, Web
8	Rhesis AI	7.0	Free plan	Free	API, Linux, self-hosted, Web
9	Confident AI	6.9	Free plan	$200/mo	API, self-hosted, Web
10	Galileo	6.9	Free plan	$100/mo	API, self-hosted, Web
11	Langfuse	6.9	Free plan	$29/mo	API, self-hosted, Web
12	LangWatch	6.9	Free plan	€29/mo	API, Linux, self-hosted, Web
13	Maxim AI	6.9	Free plan	$29/mo	API, self-hosted, Web
14	Braintrust	6.8	Free plan	$249/mo	API, self-hosted, Web
15	HoneyHive	6.8	Free plan	Free	API, self-hosted, Web
16	LangSmith	6.8	Free plan	$39/mo	API, self-hosted, Web
18	Arize Phoenix	6.7	Free plan	Free	API, self-hosted, Web
19	LM Evaluation Harness	6.7	Free plan	Free	API, Linux, self-hosted
20	RAGChecker	6.6	Free plan	Free	self-hosted
21	TruLens	6.6	Free plan	Free	API, self-hosted

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Questions about NVIDIA NeMo Evaluator alternatives

What is the best alternative to NVIDIA NeMo Evaluator?

Vellum, number 1 in AI LLM evaluation tools with a score of 7.4 out of 10. The others here: Weights & Biases, Evidently AI, Promptfoo and 16 more.

What is the best free alternative to NVIDIA NeMo Evaluator?

Vellum 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 what each maker publishes: documentation depth, a free tier and the platforms it runs on.