Captum alternatives in 2026: 24 tools like Captum

Closest: Explainability & Alignment

ELI5

Debug and explain ML classifiers and regressors

Curated

0 use thisCompare with Captum
InterpretML

Microsoft's toolkit for model interpretability

Curated

0 use thisCompare with Captum
SHAP

Game theoretic approach to explain ML model outputs

Curated

0 use thisCompare with Captum
L

LIME

Local interpretable model-agnostic explanations

Curated

0 use thisCompare with Captum

More in Observability & Evals

Langfuse

Open-source LLM engineering platform for tracing and evals

Curated

1 use thisCompare with Captum
AgentOps

Observability and debugging platform purpose-built for AI agents

Curated

0 use thisCompare with Captum
Helicone

Open-source LLM observability and proxy

Curated

0 use thisCompare with Captum
Laminar

Open-source platform to trace, evaluate, and debug AI agents

CuratedWeb

0 use thisCompare with Captum
Opik

Open-source LLM evaluation and tracing by Comet

Curated

0 use thisCompare with Captum
Phoenix (Arize)

Open-source AI observability and evaluation platform

Curated

0 use thisCompare with Captum
Traceloop

OpenTelemetry-based LLM observability

Curated

0 use thisCompare with Captum
Arize AI

ML observability and monitoring platform

CuratedWeb

0 use thisCompare with Captum
Evidently

ML model monitoring and data quality checks

Curated

0 use thisCompare with Captum
Fiddler AI

ML model performance management

Curated

0 use thisCompare with Captum
WhyLabs

Discontinued AI observability platform; platform and whylogs open sourced

Curated

0 use thisCompare with Captum
Braintrust

LLM evaluation and prompt management platform

CuratedWeb

0 use thisCompare with Captum
DeepEval

Open-source LLM evaluation framework

Curated

0 use thisCompare with Captum
EleutherAI LM Evaluation Harness

Framework for few-shot language model evaluation

Curated

0 use thisCompare with Captum
HELM

Holistic evaluation of language models

Curated

0 use thisCompare with Captum
HumanEval

OpenAI's benchmark for evaluating code generation

Curated

0 use thisCompare with Captum
LangSmith

Platform for debugging and evaluating LLM apps

Curated

0 use thisCompare with Captum
Persimmon

Research-preview model that simulates how people behave in chats

CuratedWeb

0 use thisCompare with Captum
Ragas

Evaluation framework for RAG pipelines

Curated

0 use thisCompare with Captum
Guidance

Constrained generation and prompt control by Microsoft

Curated

0 use thisCompare with Captum

Questions

What are the closest alternatives to Captum?

ELI5, InterpretML and SHAP sit on the same sub-line as Captum (Explainability & Alignment) on AI Landscape, with 1 more.

How are these alternatives chosen?

They are the other products on the Observability & Evals stop of the map: curated products first, the ones on Captum's sub-line before the rest, then by name until members have marked enough of them.