Ecosyste.ms: Awesome

An open API service indexing awesome lists of open source software.

Awesome Lists | Featured Topics | Projects

ChatGPT API

ChatGPT API is a RESTful API that provides a simple interface to interact with OpenAI’s GPT-3 and GPT-Neo language models. It allows developers to easily integrate these powerful language models into their applications and services without having to worry about the underlying technical details. ChatGPT API offers a range of features including text generation, summarization, and question-answering. It supports multiple programming languages such as Python, Node.js, and Java, and is compatible with popular web frameworks such as Flask and Django. ChatGPT API has the potential to revolutionize the way developers create conversational AI applications and services.

https://github.com/patrickpogoda/chatgpt-api

CHATGPT API ✅FASTEST API✅ FASTEST CHAT GPT 🔥 API WRITTEN IN PYTHON3 FOR CHATGPT

api chat chat-api chat-gpt chat-gpt-3 chat-gpt-api chatgpt chatgpt-api chatgpt-api-wrapper chatgptapi gpt gpt3 gpt4 gpt4-api

Last synced: 04 Jan 2025

https://github.com/rishabkumar7/python-chatgpt-cli

A simple wrapper for ChatGPT, allows to use ChatGPT in your CLI.

chatgpt chatgpt-api cli cli-app python python3

Last synced: 12 Nov 2024

https://github.com/krateng/signalgpt

Chat with personalized ChatGPT assistants in an instant messenger

chatbot chatgpt-api

Last synced: 03 Dec 2024

https://github.com/ak3847/codebase-analyzer

A python-script to analyze your GitHub repository via ChatGPT LLM for code improvements, bug fixes etc.

chatgpt chatgpt-api github-automation llm

Last synced: 16 Dec 2024

https://github.com/vimalcvs/bottalkai

BotTalkAI This is an Kotlin Jetpeck Compose written app ChatGPT AI Chat App is You can Ask Anything to AI , You can chat about any category in any language.

ai bot chat-application chatbot chatgpt chatgpt-api

Last synced: 20 Nov 2024

https://github.com/k9i-0/flutter_chatgpt_sample

Flutter ChatGPT API Sample

chatgpt chatgpt-api dart flutter riverpod

Last synced: 10 Nov 2024

https://github.com/is-leeroy-jenkins/booger

A windows presentation foundation (wpf) application for interacting with Chat GPT.

chatgpt-api chatgpt-app chatgpt-turbo openai

Last synced: 12 Nov 2024

https://github.com/rigwild/github-to-openai

Ask the ChatGPT API to answer to a GitHub issue/discussion/PR

artificial-intelligence automation chatgpt chatgpt-api github gpt-3 openai userscript

Last synced: 19 Dec 2024

https://github.com/mnestorov/chatgpt-text-processor

This script allows you to process and manipulate text of any size using OpenAI's GPT models without having to use the ChatGPT website.

chatgpt chatgpt-api gpt gpt-3 gpt-3-5-turbo gpt-4 openai openai-api openai-chatgpt python-openai

Last synced: 22 Nov 2024

https://github.com/zeshanabdullah/free-openai-chatgpt-api-key

a free OpenAI ChatGPT API key to test your ChatGPT projects for Free. This key allows you to explore and experiment with OpenAI's powerful language model, helping you integrate AI-driven features into your applications without any cost.

chatgpt chatgpt-api chatgpt-bot chatgpt-php chatgpt-python chatgpt4 free-chatgpt free-chatgpt-4 freechatgpt freechatgpt4 openai openai-api openai-chatgpt php-openai python-chatgpt

Last synced: 03 Nov 2024

https://github.com/hemangjoshi37a/my_chat_with_chatgpt

"my chat with chatGPT" is a repository that demonstrates how to interact with the powerful chatGPT language model in a conversational setting.

chatgpt chatgpt-api chatgpt-api-wrapper chatgpt-chat-history chatgpt-coding chatgpt-history chatgpt-programming chatgpt-python

Last synced: 22 Nov 2024

https://github.com/hackzilla/chattymarv

An innovative SwiftUI iOS app integrating ChatGPT for dynamic conversations. It listens to spoken English, sends the transcription to ChatGPT, and reads back the AI's response aloud. This project showcases advanced speech recognition, AI interaction, and text-to-speech synthesis in Swift.

chatgpt chatgpt-api ios mobile-app open-source speech-recognition speech-synthesis swift swiftui voice-recognition

Last synced: 12 Oct 2024

https://github.com/h4xc0d3/freegpt

Free API for GPT models gpt-4 and gpt-3.5-turbo.

chatbot chatgpt chatgpt-api free-gpt4 freegpt gpt gpt-3 gpt-35-turbo gpt-4 gpt3 gpt4 openai

Last synced: 13 Oct 2024

https://github.com/mylinuxchoice/chatgpt3-script-python-obfuscator-hiddenruntime

⭐️first python Python Obfuscator and file downloader with hidden runtime use Chatgpt3 Ai

binance chatgpt chatgpt-api chatgpt3 gpt3 obfuscator openai pancakeswap python python2 python3

Last synced: 31 Dec 2024

https://github.com/mo7ammedd/youtube-summary

Summarize YouTube videos based on the URL

chatgpt-api openai python

Last synced: 22 Nov 2024

https://github.com/tcarters/openai_chatgpt-edcodex

Tried to build my ChatGPT AI App😊

chatgpt-api javascript jsm openai vitejs

Last synced: 22 Nov 2024

https://github.com/pankajarm/filequerybot_open

An Open source version of FileQueryBot. Unleash the power of conversational AI on any document. Upload or link files in any format - PDF, TXT, PPTX, DOCX, and more - and let FileQueryBot answer your questions with precision and ease.

chatgpt-api langchain large-language-models openai-api question-answering streamlit streamlit-cloud

Last synced: 13 Nov 2024

https://github.com/water25234/ChatREP

Summary on Youtube By ChatGPT & whisper

chatgpt-api openai python python3 video whisper youtube

Last synced: 24 Oct 2024

https://github.com/raheesahmed/prompts-master

Prompts Master is a tool, which allows users to analyze text, generate prompts, and improve prompts using the OpenAI API.

assistants-api chatgpt-api openai openai-assistant-api openai-chatgpt

Last synced: 25 Dec 2024

https://github.com/roldanalex/Personal-Assistant-AI

Personal AI Chatbot is a R/Shiny app that answer user's prompts and stores them for a more efficient response.

chatgpt-api openai-api r shiny

Last synced: 04 Dec 2024

https://github.com/chatgpt-4-mirror-zh/chatgpt-mirrors

国内ChatGPT中文版镜像网站整理【2024/10/28】。汇总整理国内ChatGPT-4中文版镜像网站，帮助国内在正常网络下也能访问ChatGPT

chatgpt chatgpt-4o chatgpt-api chatgpt4 gpt gpt-4 gpt-4o gpt-4o-mini gpt-o1 gpt-o1-preview gpt4 gpt4o gpt4o-mini gpto1-mini gpto1-preview

Last synced: 30 Oct 2024

https://github.com/ehamiter/aicalart

News headlines, calendar events, holidays, random styles, and the ever-present orange tabby Hobbes turn into art via GPT + DALL-E.

ai chatgpt-api dall-e-3 dall-e-api gpt-4-api javascript python

Last synced: 14 Nov 2024

https://github.com/princegupta101/swiftscribe

SwiftScribe is a SaaS platform that maximizes student productivity by simplifying academic tasks. It offers efficient study material management, peer collaboration, and AI-powered academic support.

chatgpt-api kinde llm nextjs postgresql prisma react-js tailwind-css typescript

Last synced: 10 Oct 2024

https://github.com/abhi5h3k/gpt-showdown

"GPT Showdown" is a project that pits two ChatGPT instances against each other in a battle of wits and words. Originally conceived to host debates between Gemini AI and ChatGPT, the project evolved into a hilarious and fascinating showdown between two ChatGPT models.

automation chatbot chatgpt-api chatgpt4free gemini gpt python selenium showdown

Last synced: 04 Jan 2025

https://github.com/spurnow/whatsapp-ai-chatbot

Create an AI Chatbot using NodeJs & WhatsApp Business API

chatbot-ai chatgpt-api whatsapp-api whatsapp-automation whatsapp-bot whatsapp-business-api

Last synced: 14 Oct 2024

https://github.com/laurenzsommerlad/tum.ai-makeathon2023-api-endpoint

FastAPI Backend for TUM.ai Makeathon2023 CanAI Project. Integration of ChatGPT, Cohere Summarizer and backend logic

backend backend-api chatgpt chatgpt-api cohere cohere-ai fastapi python python3

Last synced: 02 Jan 2025

https://github.com/danitechid/chatgpt-api

ChatGPT API - TypeScript/JavaScript. ChatGPT API ini ditenagai oleh: https://daniapi.biz.id

chatgpt-api openai openai-api

Last synced: 30 Nov 2024

https://github.com/desdaemon/chatgpt-at-home

ChatGPT clone in Flutter.

android chatgpt-api flutter ios

Last synced: 28 Nov 2024

https://github.com/imenfys/tjxnk

2024年推荐使用WildCard虚拟VISA信用卡订阅ChatGPT Plus的理由

chatgpt chatgpt-api visa wildcard

Last synced: 10 Oct 2024

https://github.com/usamahussaindev/nextgpt-openai-api-integration

Integrate the OkHttp library in my Android app named it NextGPT to efficiently manage HTTP requests. Combine it with the OpenAI API to enable seamless communication with the OpenAI services, enhancing your app's capabilities. (Android studiio)

android chatgpt-api java mobile-app okhttp openai opensource perosnalai project

Last synced: 17 Nov 2024

https://github.com/haseeb-heaven/prayertimes-plugin

This project is a ChatGPT plugin that can show the prayer timings for any location in the world.

api chatgpt chatgpt-api fastapi fastapi-template islam-app muslim-prayer-times openai prayer-api prayer-muslim prayer-times python quart-python

Last synced: 08 Dec 2024

https://github.com/llegomark/meganbianca

Megan Bianca is a virtual assistant equipped with advanced artificial intelligence technology that offers prompt and reliable assistance for all your needs. Our language model is designed to cater to your specific requirements and provide expert guidance on an extensive range of topics.

ai artificial-intelligence chat-application chatbot chatgpt chatgpt-api cloudflare cloudflare-pages cloudflare-workers gpt-3 gpt-35-turbo openai react reactjs vite vitejs

Last synced: 22 Nov 2024

https://github.com/rohitroy-github/vite-chatgpt-clone

ChatGPT clone application using ChatGPT public API and Vite !

api chatgpt chatgpt-api html-css-javascript json netlify vercel vite

Last synced: 19 Dec 2024

https://github.com/haseeb-heaven/chatgpt-plugins-list

This repo contains all the plugins that were released on Plugins store.

chatgpt chatgpt-api chatgpt-app chatgpt-plugins gpt gpt-4 gpt-plugins openai python

Last synced: 08 Dec 2024

https://github.com/hellocat777/chatgpt-mirrors

国内ChatGPT中文版镜像网站整理【2024/10/24】。汇总整理国内ChatGPT-4中文版镜像网站，帮助国内在正常网络下也能访问ChatGPT

chatgpt chatgpt-4o chatgpt-api chatgpt4 gpt gpt-4 gpt-4o gpt-4o-mini gpt-o1 gpt-o1-preview gpt4 gpt4o gpt4o-mini gpto1-mini gpto1-preview

Last synced: 25 Oct 2024

https://github.com/brianpeiris/chatgpt-groupchat

Join a group chat with random personalities, using ChatGPT

chatgpt chatgpt-api

Last synced: 15 Nov 2024

https://github.com/yayapao/chatgpt-api-vercel

Deploy ChatGPT API proxy on vercel.🎉 基于 vercel 和 Go 封装 ChatGPT API，支持 vercel 一键部署。

chatgpt-api golang

Last synced: 24 Nov 2024

https://github.com/ototadana/imgflw

A demo application for image editing using LLM

chatgpt-api chromadb diffusers gradio stable-diffusion

Last synced: 08 Nov 2024

https://github.com/mrjxtr/chatgpt_report_generator

(ONGOING OPENAI API PROJECT) ChatGPT Report Generator.

automation chatgpt chatgpt-api chatgpt-python good-first-contribution openai

Last synced: 29 Sep 2024

https://github.com/raistlintao/chatgpt-transformerx

ChatGPT text completion generator Website

chatgpt chatgpt-api essey text-generation

Last synced: 26 Dec 2024

https://github.com/lamcodeofpwnosec/whatsapp-gpt

AutoResponder is the easiest way to combine the state-of-the-art AI ChatGPT / GPT-4 by OpenAI with your WhatsApp and answer any query automatically.

chatgpt-api whatsapp-ai-bot whatsapp-ai-chatbot whatsapp-api whatsapp-bot whatsapp-chatgpt

Last synced: 21 Dec 2024

https://github.com/keval-gandevia/mockmentor

MockMentor is a web application designed to help users prepare for interviews by allowing them to create custom questions, record video responses, and receive AI-driven feedback. It uses the ChatGPT API to analyze answers and Amazon Rekognition to evaluate user behavior and confidence during recordings.

aws aws-alb aws-ec2 aws-ecs-fargate aws-rds-mysql aws-rekognition aws-s3 aws-sqs chakra-ui chatgpt-api docker generative-ai iac microservices mysql net-core python react-context reactjs vite

Last synced: 26 Dec 2024

https://github.com/nsoojin/building-chatgpt-systems

ChatGPT API Learning Materials

chatgpt-api deeplearning-ai

Last synced: 13 Dec 2024

https://github.com/demining/chatgpt-bitcoin

ChatGPT as artificial intelligence gives us great opportunities in the security and protection of the Bitcoin cryptocurrency from various attacks

attacker attackers bitcoin bitcoin-api bitcoin-wallet chatgpt chatgpt-api chatgpt-bot chatgpt3 chatgpt4 cracking hack hacking openai openai-api openai-chatgpt privatekey vulnerability

Last synced: 12 Nov 2024

https://github.com/guanhui07/open-ai

OpenAI PHP SDK-兼容php7

chatgpt chatgpt-api openai

Last synced: 26 Sep 2024

https://github.com/kiaancastillo/sidecardev

Code alongside friends, colleagues, and AI!

chatgpt-api pair-programming react vite

Last synced: 19 Dec 2024

https://github.com/pmcode9992/emailai_web

Email AI revolutionizes email writing by seamlessly integrating the power of ChatGPT's API. This React TypeScript application, backed by Python Flask, leverages Bootstrap and Vite for a sleek user interface, empowering users to effortlessly compose emails with intelligent assistance.

bootstrap chatgpt-api flask python reactts vite

Last synced: 21 Nov 2024

https://github.com/bytexenon/gptcodeenhance

A free VSCode extension to boost your productivity

chatgpt chatgpt-api chatgpt-free vscode vscode-extension

Last synced: 19 Nov 2024

https://github.com/ist-dresden/composum-AI

Artificial intelligence services for the Composum Pages CMS and Adobe AEM : content creation and analysis, translation, suggestions, ...

adobe-aem adobe-experience-manager aem aem-as-a-service aem-site aem65 ai apache-sling chatgpt chatgpt-api cms cms-framework composum composum-pages genai generative-ai llm

Last synced: 14 Nov 2024

https://github.com/pond918/chatroles-repo

Backend for chatroles-repo, an Auto-GPT alike role-bots repo

auto-gpt autogpt chatbot chatgpt-api llm

Last synced: 13 Nov 2024

https://github.com/utrechtuniversity/kickstarter

Assigning NAICS codes to Kickstarter projects

chatgpt-api kickstarter-data

Last synced: 22 Nov 2024

https://github.com/kumeS/LLMtemplateMaker

LLMtemplateMaker: Prompt Template Creator for LLM

chatgpt chatgpt-api gpt gpt-4 llm prompt prompt-engineering prompt-template r

Last synced: 16 Oct 2024

https://github.com/webnexus-uk/openai-assistant-sdk

Simplify interactions with OpenAI's Assistant API, particularly for managing conversations (threads) and processing responses with OpenAI's Assistant GPT models

ai chatgpt chatgpt-api gpt-3 gpt-4 javascript nodejs openai

Last synced: 12 Nov 2024

https://github.com/katreau/chatgpt4free

A tool to use chat-gpt-4 version for free. Unlimited messages no limits

chat-gpt-4 chat-gpt-4-free chatgpt chatgpt-api chatgpt-free chatgpt3 chatgpt4-free chatgpt4free chatgptfree

Last synced: 07 Dec 2024

https://github.com/goldlabel-apps/listingslab-chatgpt

ChatGPT vs Recruitment Technical Tests

chatgpt chatgpt-api youtube

Last synced: 10 Dec 2024

https://github.com/nneji123/coverease

Streamline Your Job Search with CoverEase: The Hassle-Free Cover Letter Generator!

bootstrap5 chatgpt-api cover-letter flask html-css-javascript openai python

Last synced: 13 Nov 2024

https://github.com/ranitmanik/telegamgpt

TelegramGPT is a Telegram chatbot powered by OpenAI's GPT-3.5 Turbo model created using Python. It reads messages from a specified chat file and responds to user messages in Telegram using the GPT-3.5 Turbo model.

bot botfather chat-application chatbot chatgpt chatgpt-api openai openai-api telegram telegram-api telegram-bot telegram-bot-api

Last synced: 30 Nov 2024

https://github.com/ranitmanik/mygpt

This is an amazing Discord Bot powered by ChatGPT that has been designed to enhance your chatting experience. With its advanced capabilities, this bot is capable of engaging in meaningful conversations and providing you with a truly interactive and enjoyable chat environment.

chat chatbot chatgpt chatgpt-api chatgpt-bot chatgpt3 discord discord-bot gpt openai

Last synced: 30 Nov 2024

https://github.com/sachnaror/chatapi

This Django Chat App demonstrates real-time communication using Django Channels and WebSockets. It's a showcase project for those interested in building live interactive features into their web applications, leveraging the power of Django and Redis.

chat chat-application chatbot chatgpt-api

Last synced: 31 Dec 2024

https://github.com/alexwiench/conversation-engine

A powerful wrapper around the OpenAI API, providing additional features and making it easier to interact with AI models. Seamlessly chat with your AI assistant, include context strings, and manage conversation history.

bot chatbot chatgpt chatgpt-api openai

Last synced: 19 Dec 2024

https://github.com/antononcube/wl-nlptemplateengine-paclet

Wolfram Language (aka Mathematica) paclet that fills in (code) templates using NLP techniques.

chatgpt-api machine-learning nlp-machine-learning opeanai

Last synced: 15 Dec 2024

https://github.com/adidem23/code-craft_final

This is Project I have blended AI for generating Solidity Smart Contracts and You can Actually generate , Test Smart Contract with This Code Craft

backend chatgpt chatgpt-api frontend reactjs solidity uiverse

Last synced: 12 Nov 2024

https://github.com/anasyakubu/foc-ai_a

A project focused on developing AI solutions under the banner of the Faculty of Computer Science (FOC) at Bayero University Kano (BUK). This repository includes various AI models, algorithms, and applications aimed at advancing research and practical implementations in the field of artificial intelligence.

chatgpt-api clerk nextjs scss tailwindcss typescript

Last synced: 25 Nov 2024

https://github.com/chazeon/zhatzpt

A Telegram chatbot that uses the ChatGPT API.

chatgpt chatgpt-api telegram-bot

Last synced: 29 Nov 2024

https://github.com/schefflera-arboricola/virtual-ta

Hackathon Project 2023 : Captures the facial expressions of a learner watching online lectures and gives real time feedback/prompts, with a chat-gpt window incorporated.

beginner-project chatgpt-api cnn cnn-model computer-vision cv2 deep-face education facial-expression-recognition flask flask-application hackathon-project keras sklearn wip

Last synced: 25 Nov 2024

https://github.com/zeeshanahmad4/flaskgpt-api

FlaskGPT-API is a powerful RESTful API for utilizing ChatGPT models using Flask and Python, effortlessly integrate ChatGPT into your applications.

apis artificial-intelligence chatbot chatgpt chatgpt-api flask gpt-4 openai python restful-api

Last synced: 14 Dec 2024

https://github.com/gemeri/discord-voice-channel-bot

A bot that can join voice channels using the OpenAI api and Microsoft's free Text-to-Speech (TTS) services. The bot can transcribe conversations, generate intelligent responses, and communicate verbally within your voice channels.

ai azure bot chatbot chatgpt chatgpt-api discord discord-bot discord-chatbot discord-js discord-token discordbot discordjs javascript js openai openai-api openai-chatgpt openai-whisper tts

Last synced: 14 Dec 2024

https://github.com/fabianferno/probable-sniffle

Tell AI what you got in the fridge, get wild recipes. | Powered by OpenAI gpt3.5

chatgpt chatgpt-api image-edits node-js open-ai

Last synced: 28 Nov 2024

https://github.com/geovanesv/ner-bert-vs-chatgpt

ANÁLISE COMPARATIVA DO BERT E CHATGPT NO RECONHECIMENTO DE ENTIDADES NOMEADAS DO DOMÍNIO JURÍDICO

bert chatgpt chatgpt-api ner

Last synced: 02 Jan 2025

https://github.com/arunk140/the-everything-api-go

Based on the everything-api by LiveOverflow - rewritten in go - uses OpenAI - gpt-3.5-turbo

ai chatgpt chatgpt-api golang gpt-3 http-server openai

Last synced: 13 Nov 2024

https://github.com/alancunningham/chatgpt-assistant

A ChatGPT assistant with voice activation and image generation, connected to a Raspberry Pi display.

chatgpt chatgpt-api dall-e dall-e-api porcupine python raspberry-pi whisper

Last synced: 10 Nov 2024

https://github.com/wikibonsai/semtree-germ

Have an LLM (ChatGPT) generate a semantic (sub) tree from a given word or concept.

ai chatgpt chatgpt-api machine-learning semantic-tree

Last synced: 13 Nov 2024

https://github.com/blackmarllbor0/terminalgpt

the most popular language model in your terminal

ai chatgpt-api gpt openai terminal

Last synced: 02 Dec 2024

https://github.com/fenwii/chatgpt-community

ChatGPT-Community for communication and better to use ChatGPT Ai tools assistant, such as Create, Prompts，write an article，Write a book，Writing papers，Write solution，Help provide ideas，Help build the framework ，and build whatever work you want.

bots chatbots chatgpt chatgpt-api chatgpt3 gpt-3 openai

Last synced: 03 Jan 2025

https://github.com/myonaingwinn/aihub-connect

3 ChatGPT Services can access in one app.

axios chatgpt-api pinia scss vue3 vuetify3

Last synced: 10 Nov 2024

https://github.com/andreia-oca/dart_fullstack_chat_with_chatgpt

A Dart/Flutter fullstack chat with ChatGpt application

chatapp chatgpt chatgpt-api dart flutter genezio mongodb

Last synced: 16 Nov 2024

https://github.com/marcominerva/xmaspostcards

Use Artificial Intelligence to create X-Mas postcards

azure azure-openai azure-openai-api c-sharp chatgpt chatgpt-api dalle-3 openai openai-api

Last synced: 19 Nov 2024

https://github.com/gustavo-em/chatgpt_reactnative_recommendations

Consuming Node ChatGPT Api to show doctor's office recomentaions with React Native Mobile Application Front End

chatgpt chatgpt-api reactnative

Last synced: 02 Dec 2024

https://github.com/rrmn/chatgpt-anywhere

This is a flask/bulma boilerplate template for a simple ChatGPT app on PythonAnywhere.com

boilerplate boilerplate-template bulma chatgpt chatgpt-api flask python pythonanywhere template template-project templates webapp

Last synced: 28 Nov 2024

https://github.com/mwelwankuta/blueprint

generate flutter code from figma designs

chatgpt-api claude-ai flutter typescript

Last synced: 16 Nov 2024

https://github.com/0xricksanchez/aionic

AIonic: A unified, user-friendly Rust library for seamless integration with various public Large Language Model APIs, such as openAI or Bard

ai api artificial-intelligence bard chatgpt chatgpt-api llama llama2 openai

Last synced: 17 Dec 2024

ChatGPT API Awesome Lists
awesome-chatgpt-prompts 177 awesome-chatgpt-api 129 Awesome-Prompt-Engineering 147 awesome-chatgpt 167 awesome-chatgpt 160 awesome-ChatGPT-repositories 1,951 Awesome-GPT-Store 310 cool-ai-stuff 33 awesome-gpt 80 gpt-store 204 student-gpt-tools 105
ChatGPT API Categories
Others 426 Custom GPTs 311 NLP 292 Chatbots 270 Browser-extensions 209 Openai 209 CLIs 142 Prompts 140 Langchain 120 Papers 98 Entertainment and Fun 81 Awesome-lists 75 Education and Learning 71 Miscellaneous 64 Writing and Content Creation 64 Applications 63 Developer Libraries, SDKs, and APIs 55 Coding and Development 54 Technical Assistance 51 Channel Resources 50