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LangSmith Alternatives

LangSmith is a unified DevOps platform for developing, collaborating, testing, deploying, and monitoring LLM applications.

Explore 36 alternatives to LangSmith across 2 categories. Each tool listed below shares at least one category with LangSmith.

🧠 Fine-tuning

Anyscale

Fast, cost-efficient, serverless APIs for LLM Serving and Fine Tuning

Axolotl

Open-source toolkit for fine-tuning LLMs with a single YAML config across the full training pipeline

Open Source

fal

Build the next generation of creativity with fal. Lightning fast inference.

Free Trial

FinetuneDB

Capture production data, evaluate outputs collaboratively, and fine-tune your LLM's performance

Klu

Collaborate on prompts, evaluate, and optimize LLM-powered Apps with Klu.

Free Trial

Lamini

Enterprise LLM fine-tuning platform with Memory Tuning for near-zero hallucination

Free Trial

Ludwig

Declarative deep learning framework for building and fine-tuning models with YAML configuration

Open Source

Modal

Run generative AI models, large-scale batch jobs, job queues, and much more.

Free Trial

Monster API

Access, finetune, deploy LLMs using our affordable and scalable APIs.

Free Trial

OpenAI

Transforming work and creativity with AI.

Free Trial

Predibase

Serverless fine-tuned LLM serving with LoRAX, serving thousands of adapters on a single GPU

Free Trial

Replicate

Run and fine-tune open-source models. Deploy custom models at scale. All with one line of code.

together.ai

The fastest cloud platform for building and running generative AI.

Unsloth

Fine-tune LLMs up to 30x faster with 90% less memory usage

Open Source Free Trial

📊 Observability & Analytics

Arize AI

AI observability platform with tracing, evaluation, and monitoring for LLM and ML applications

Free Trial

Braintrust

Stop building AI in the dark.

Free Trial

Comet Opik

Comet provides an end-to-end model evaluation platform for AI developers.

Open Source Free Trial

DeepEval

Open-source LLM evaluation framework with 50+ metrics for testing agents, RAG, and chatbots

Open Source Free Trial

Galileo

AI evaluation and observability platform with hallucination detection and real-time guardrails

Free Trial

Gantry

Powerful observability, analytics, and evaluation for your AI-powered products.

Giskard

Eliminate risks of biases, performance issues & security holes in AI models. In <10 lines of code.

Open Source Free Trial

Greptime

Gain comprehensive insights into the cost, performance, feedback, traces of your LLM applications.

Open Source Free Trial

Hamming AI

At-scale testing & production monitoring for AI voice agents

Helicone

Join thousands of startups and enterprises who use Helicone's Generative AI platform to monitor, collect data, and sc...

Open Source Free Trial

Honeyhive

AI Performance and Reliability, Delivered

Free Trial

Humanloop

Develop AI features with confidence

Free Trial

Klu

Collaborate on prompts, evaluate, and optimize LLM-powered Apps with Klu.

Free Trial

Langfuse

Traces, evals, prompt management and metrics to debug and improve your LLM application.

Open Source Free Trial

Log10

LLMOps platform for logging, debugging, and improving LLM-powered applications

Free Trial

lunary

The platform to monitor, manage and improve your LLM apps.

Free Trial

Patronus AI

Detect LLM mistakes at scale and use generative AI with confidence

Pezzo

The Developer-First AI Platform.

Open Source

Portkey

AI gateway for routing to 1,600+ LLMs with observability, guardrails, and prompt management

Open Source Free Trial

PromptLayer

Visually manage prompts. Evaluate models. Log LLM requests. Search usage history. Collaborate as a team.

Free Trial

Traceloop

Open-source LLM observability built on OpenTelemetry, with automatic instrumentation for major providers and frameworks

Open Source Free Trial

Weights & Biases

ML experiment tracking, LLM observability, and evaluation platform for AI teams

Free Trial

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