ToolNest

Large Language Models (LLMs)

232 tools

232 tools · page 10 of 10

Humanloop

Humanloop

Development platform for evaluating and improving LLM apps

Humanloop helps teams evaluate, monitor, and iterate on LLM-powered features using both automated metrics and human feedback, aimed at improving reliability of production AI features.

FreemiumCoding & Development
Langfuse

Langfuse

Open-source observability and analytics for LLM apps

Langfuse is an open-source platform for tracing, evaluating, and analyzing LLM application behavior, aimed at teams who want self-hostable observability tooling for their AI stack.

FreemiumCoding & Development
LangSmith

LangSmith

Platform for debugging and monitoring LLM applications

LangSmith traces, evaluates, and monitors language model application runs, aimed at developers who need visibility into why an LLM app produced a particular output in production.

FreemiumCoding & Development
LiteLLM

LiteLLM

Open-source library for calling any LLM through one format

LiteLLM lets developers call over a hundred different LLM APIs using a single, OpenAI-compatible format, simplifying the process of switching or comparing model providers.

FreeCoding & Development
LMQL

LMQL

Query language for programming interactions with language models

LMQL is a programming language that lets developers write structured, constrained queries against large language models, aimed at more reliable and controllable LLM outputs than plain prompting.

FreeCoding & Development
OfoxAI

OfoxAI

Unified API gateway to access 100+ LLMs like GPT Claude and Gemini

Unified API gateway to access 100+ LLMs like GPT Claude and Gemini

PaidCoding & Development
OpenPipe

OpenPipe

Platform for fine-tuning cheaper models from LLM usage data

OpenPipe captures a team's existing LLM API calls and uses that data to fine-tune smaller, cheaper models that match the original model's performance for that specific task.

FreemiumCoding & Development
Portkey

Portkey

AI gateway for managing multiple LLM providers

Portkey acts as a gateway between an application and many different LLM providers, adding caching, fallbacks, and observability without requiring separate integration code for each model.

FreemiumCoding & Development
Sup AI

Sup AI

AI orchestration platform combining 9 frontier LLMs for verifiable responses

AI orchestration platform combining 9 frontier LLMs for verifiable responses

PaidCoding & Development
TensorZero

TensorZero

Open-source framework for building production LLM applications

TensorZero unifies an LLM gateway, observability, and optimization tooling into one open-source framework, aimed at teams building and iterating on production-grade LLM applications.

FreeCoding & Development
Traceloop

Traceloop

Open-source observability platform for LLM applications

Traceloop provides tracing and quality monitoring for LLM applications built on OpenTelemetry standards, aimed at teams that want observability tooling that isn't locked to one vendor.

FreemiumCoding & Development
Unstructured

Unstructured

Platform for turning documents into AI-ready data

Unstructured extracts and cleans text from PDFs, slides, and other document formats so the content can be fed into LLM and RAG pipelines, handling a common early bottleneck in AI projects.

FreemiumCoding & Development
Vellum

Vellum

Platform for building, testing, and deploying LLM workflows

Vellum provides tools for prompt engineering, workflow orchestration, and evaluation of LLM-powered features, aimed at product teams shipping AI features into existing applications.

FreemiumCoding & Development
Weights & Biases

Weights & Biases

Experiment tracking and evaluation platform for AI teams

Weights & Biases tracks machine learning experiments, model training runs, and LLM evaluations, aimed at AI teams that need to compare results across many model versions.

FreemiumCoding & Development
WhyLabs

WhyLabs

AI observability platform for monitoring models in production

WhyLabs monitors machine learning and LLM applications in production for data quality issues and performance drift, aimed at ML teams catching problems before they affect users.

FreemiumCoding & Development
you.bot

you.bot

Multi-model AI API gateway for LLMs image video and music generation

Multi-model AI API gateway for LLMs image video and music generation

PaidCoding & Development