Search 919 AI tools

Prompt Foundry

Evaluation · OpenAI + Anthropic (multi-model)

7.1

Prompt management and side-by-side LLM evaluation for OpenAI and Anthropic models.

PromptHub

Writing · Multi-model (OpenAI, Anthropic, Google, Meta, Mistral, Bedrock, Azure)

8.0

Git-style prompt management, testing, and deployment platform for teams running multiple LLMs in production.

Izlo

Agents · Model-agnostic

6.9

Prompt management platform with version control, collaboration, and an API for production deployment.

PromptLayer

Evaluation · Platform (any LLM)

7.9

Lightweight prompt logging + management for OpenAI/Claude apps.

Langfuse

Evaluation · Model-agnostic

7.3

Open-source LLM observability, prompt management, and evaluation in one platform.

Puzzlet AI

Agents · Multi-model

7.1

Git-native prompt management and observability platform for teams shipping LLM applications.

Humanloop

Evaluation · Platform (any LLM)

8.2

Prompt management + evals for collaborative AI teams.

AI Prompt Genius

Writing

6.6

Open-source Chrome extension that turns your browser into a searchable, taggable prompt library for any AI chatbot.

Maxim AI

Evaluation · Multi-model

7.1

End-to-end evaluation, simulation, and observability platform for shipping production-grade AI agents.

Parea AI

Evaluation · Multi-model

6.8

LLM evaluation, observability, and prompt management platform for teams shipping production AI apps.

Portkey

Agents · Multi-model

7.1

Production LLM gateway with observability, guardrails, and prompt management for teams shipping AI in anger.

Respan (formerly Keywords AI)

Evaluation · Multi-model (500+ via gateway)

7.1

LLM engineering platform combining a multi-model gateway with tracing, evals, and prompt management.

Chatbot UI

Writing · Multi-model (OpenAI, Anthropic, Google, Mistral, Meta, etc.)

6.9

Open-source unified chat interface for 80+ frontier AI models.

Prompteams

Writing

7.0

Git-style version control and testing for LLM prompts, with auto-generated APIs that ship updates without redeploys.

Braintrust

Featured

Evaluation · Platform (any LLM)

8.9

Eval, monitor, and improve AI products end-to-end.

Portkey AI Gateway

Agents · Multi-model (1,600+ LLMs)

7.2

Open-source AI gateway that routes a single API call across 1,600+ LLMs with caching, fallbacks, and observability.

Superpower ChatGPT

Agents · GPT (via ChatGPT UI)

7.0

Chrome extension that bolts folders, prompt libraries, and bulk export onto the ChatGPT web UI.

AI Prompt Genius

Writing

6.5

Open-source Chrome extension for building a searchable, tagged library of reusable AI prompts.

Arthur

Evaluation · Multi-model

7.1

Open-source toolkit for testing, tracing, and monitoring production AI agents.

SillyTavern

Writing · Backend-agnostic — OpenAI, Anthropic Claude, Google Gemini, Mistral, OpenRouter, KoboldAI/KoboldCpp, Text-Generation-WebUI, Tabby, llama.cpp, NovelAI, AI Horde, any OpenAI-compatible endpoint

Locally installed power-user frontend for chatting with LLMs, image models, and TTS backends

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT

8.6

Build and scale generative AI applications with foundation models

Athina AI

Evaluation · Multi-model

8.1

Collaborative LLM evaluation and observability platform for teams shipping AI features to production.

Weights & Biases

Evaluation · Platform (any LLM)

8.4

The ML experiment tracker, now with LLM eval features.

MLflow

Evaluation · Multi-model

8.1

Open-source platform for tracking, evaluating, and deploying ML models and LLM applications.

Coze Studio

Agents · Multi-model

7.2

Self-hostable visual AI agent development platform from ByteDance with workflows, RAG, and plugin tooling.