Skip to content
Agent Search Engine.
Submit a tool
Menu

Alternatives · Agent Infrastructure

LangSmith alternatives

These records overlap with LangSmith's recorded tasks and have the same product type. The selection uses task text, then information completeness; stars and sponsorship do not set the order. Check the specific capability you need before switching.

7 task-related records from 60 category candidates · all agent infrastructure · how we rank

The product you're replacing

LangSmithInfrastructureAgent Infrastructure

Trace AI applications, evaluate outputs and compare changes using datasets and experiments.

Freemium · License not checked

Visit LangSmith →Full LangSmith record

LangSmith's record says to avoid it if: You want an end-user chatbot or assume all usage and self-hosting are included in the Developer allowance.

Task-related research candidates

Arize PhoenixInfrastructureArize's source-available AI observability platform for tracing, evaluation, datasets and experiments.Self-host software; infrastructure and evaluator/model costsSource availablePython · recorded license: Elastic-2.0Record checked · Recent push 12kGitHub stars

Shared terms in the records: dataset, evaluation, experiment, observability. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; Arize Phoenix — Teams that want self-hosted tracing and evals built on OpenTelemetry standards.

OpikInfrastructureComet's open-source platform for LLM and agent tracing, evaluation, prompt management and monitoring.Costs not checkedOpen sourcePython · recorded license: Apache-2.0Record checked · Recent push 23kGitHub stars

Shared terms in the records: evaluation, management, observability, prompt. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; Opik — Teams that want a fully self-hostable alternative to commercial LLM observability tools.

LangfuseInfrastructureAn open-source LLM engineering platform for tracing, evaluation, prompt management and debugging.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 37kGitHub stars

Shared terms in the records: evaluation, management, observability, prompt. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; Langfuse — Teams that want production-grade, self-hostable tracing and evals for LLM apps.

HeliconeInfrastructureAn open-source AI gateway and LLM observability platform: routing, fallbacks, tracing and cost tracking.Costs not checkedOpen sourceTypeScript · recorded license: Apache-2.0Record checked · Recent push 6.2kGitHub stars

Shared terms in the records: change, observability, trace, tracing. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; Helicone — Adding cost, latency and trace visibility to an LLM app with minimal code changes.

PromptfooInfrastructureEvaluate prompts and AI applications, and generate configured red-team tests.Community software; model/target costs; paid enterprise optionsOpen sourcerecorded license: MITRecord checked

Shared terms in the records: evaluate, evaluation, prompt, team. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; Promptfoo — Developers who can configure targets, assertions and model providers for repeatable evaluation or red-team runs.

Pipecat CloudInfrastructureManaged deployment and observability for Pipecat voice-agent pipelines.Paid productLicense not checkedRecord checked

Shared terms in the records: observability, team. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; Pipecat Cloud — Teams moving a Pipecat application from a local prototype to managed production infrastructure.

toolhiveInfrastructureToolHive is an enterprise-grade platform for running and managing Model Context Protocol (MCP) servers.Costs not checkedOpen sourceGo · recorded license: Apache-2.0Record checked · Recent push 2.3kGitHub stars

Shared terms in the records: observability, team. These text matches do not establish equivalent capabilities. The recorded use cases differ: LangSmith — Teams that need trace inspection, datasets and evaluations for an instrumented AI application; toolhive — Platform teams running MCP servers in isolated containers on existing Kubernetes, with per-request access policy and production observability.

Browse all agent infrastructure →

Frequently asked

How were alternatives to LangSmith selected?
Recorded task topics and meaningful shared terms qualify same-type candidates in the same category. Results are ordered by that overlap, then information completeness and a stable identifier. Sponsorship and GitHub stars do not participate. The method can miss suitable tools whose records lack task information.
Does inclusion mean a tested replacement?
No. These are catalogue-based research candidates. Check current sources, costs, permissions and deployment requirements, then test your own task. ASE has not run a performance benchmark of this shortlist.