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Prompt Tools

Tools for prompt engineering, prompt management, and AI output optimization.

Anthropic Console
Anthropic Console

Developer dashboard for the Claude API

Web App
Gradio
Gradio

Python library for building ML web interfaces

Open Source Python Library
Langfuse
Langfuse

Open-source LLM observability and tracing

API AI Model Open Source
PI Labs
PI Labs

Small AI Chrome extensions for ChatGPT, Claude, Gemini and X

Web App
LangSmith
LangSmith

LangChain's platform for debugging and evaluating LLM apps

API AI Model
Helicone
Helicone

Open-source observability and cost tracking for LLM APIs

API Open Source
Portkey
Portkey

AI gateway for unified LLM access with guardrails

API AI Model
Promptfoo
Promptfoo

Open-source CLI for testing and red-teaming LLM prompts

API Open Source
PromptHero
PromptHero

Community platform for discovering AI art prompts

AI Model
FlowGPT
FlowGPT

Community library of AI prompts and workflow templates

AI Model
Not Diamond
Not Diamond

Automatic model routing and prompt adaptation

API Python Library
PromptBase
PromptBase

Marketplace for buying and selling engineered AI prompts

PrompTessor
PrompTessor

Workspace for generating, testing, and refining AI prompts

AI Model
PromptLayer
PromptLayer

LLM prompt management, versioning, and analytics

API AI Model
Braintrust
Braintrust

Evaluation and observability for AI apps in production

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