Top 12 Open-Source Alternatives to PromptLayer

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The first platform built for prompt engineers.

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Product categories

AI AI Assistant AI Chat AI Dating AI Writing Chatbots Communications Developer Tools Large Language Model Tools Productivity Social & Communications Utilities

Summary

The top open-source alternatives to PromptLayer are LangWatch, Langfuse, and Replika. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

LangWatch Landing Page
1

LangWatch

Build AI applications with confidence
Pricing:
- Open Source
- Freemium
- Free Trial
- €99.0 / Monthly
#AI #AI Platform #AI Tools 1 social mentions
Langfuse Landing Page
2

Langfuse

Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
Pricing:
- Open Source
#Productivity #Help Desk #AI 10 social mentions
Replika Landing Page
3

Replika

Your Ai friend
Pricing:
- Open Source
#Chatbots #Support Automation #AI 134 social mentions
MiniGPT-4 Landing Page
4

MiniGPT-4

Minigpt-4
Pricing:
- Open Source
#Developer Tools #Social & Communications #Utilities 8 social mentions
Haystack NLP Framework Landing Page
5

Haystack NLP Framework

Haystack is an open source NLP framework to build applications with Transformer models and LLMs.
Pricing:
- Open Source
#AI #Developer Tools #Utilities 8 social mentions
Mycroft.AI Landing Page
6

Mycroft.AI

Mycroft is the world’s first open source assistant.
Pricing:
- Open Source
#Chatbots #Knowledge Sharing #AI 119 social mentions
Giskard.ai Landing Page
7

Giskard.ai

Open-source & Collaborative Quality Testing for AI models
Pricing:
- Open Source
- Freemium
- Free Trial
#Development Tools #Testing #Machine Learning 3 social mentions
ChatGPT for Search Engines Landing Page
8

ChatGPT for Search Engines

ChatGPT For Search Engine - Extension for web browsers that shows ChatGPT's response alongside search results
Pricing:
- Open Source
- Free
#Productivity #Browser Extension #Internet Search 1 social mentions
ChatGPT for Google Landing Page
9

ChatGPT for Google

Show ChatGPT response alongside search engines
Pricing:
- Open Source
#Marketing #Productivity #AI 2 social mentions
Vercel AI SDK Landing Page
10

Vercel AI SDK

An open source library for building AI-powered user interfaces.
Pricing:
- Open Source
#AI #Social & Communications #Utilities 18 social mentions
This Person Does Not Exist Landing Page
11

This Person Does Not Exist

Computer generated people. Refresh to get a new one.
Pricing:
- Open Source
#Copywriting #AI #Design Tools 1049 social mentions
GirlfriendGPT Landing Page
12

GirlfriendGPT

The uncensored Character.AI competitor - SFW and NSFW AI conversations with your favorite characters. As one of the pioneers in AI companionship, GirlfriendGPT understands the potential of chatbots. Everything is allowed, you are in control.
Pricing:
- Open Source
- Freemium
- Free Trial
#Chatbots #AI #AI Chat 1 social mentions