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Discover Best AI Tools for API OpenAI

This page shows you the best API OpenAI tool in AI websites and tools, and free API OpenAI tool in AI.

The best ai tools for API OpenAI are: APIARC AI, ApiFlux, APIMaster, OnAPI, TokenHot, TransLite, Edgee, Defapi, Vivgrid, Photo Stock Assistant.

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Tripo AI
AI-powered 3D model generator from images and text.
Number of Als:87
Updated time:August 20 2026
APIARC AI
Unified API gateway for accessing multiple leading AI models
ApiFlux
Unified AI router for Claude, GPT, Gemini, and 100+ models
APIMaster
The only AI API marketplace that fingerprint-verifies every provider — aggregating the world's cheapest authentic API keys for OpenAI, Claude & DeepSeek at up to 90% off. The #1 alternative to OpenRouter for developers who need verified, affordable API access.
OnAPI
One key, every modality—run text, images, video, and code through GPT, Claude, Gemini, Sora, Veo, and Banana from a single endpoint. Two channels, your call: route everyday traffic through the value tier to keep costs down, and flip critical workloads to the official tier when stability matters.
Tokenhot
Unified LLM API gateway for 100+ models with up to 90% cost savings.
TransLite
A lightweight macOS tool for instant, shortcut-based translation across all applications.
Edgee
AI gateway reducing LLM costs by 50% through edge-native token compression.
D
Defapi
Unified API platform for top AI models.
Vivgrid
Build AI Agents with confidence: Platform for building, deploying, and managing AI agents.
Photo Stock Assistant
Chrome extension for automatic image metadata filling on Adobe Stock.
AiHubMix
LLM API router aggregating various AI models with a unified OpenAI API.
LLM API Costs Widget
An iOS widget to review and manage OpenAI API costs.
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OpenAI.fm
Interactive demo for OpenAI's text-to-speech API.
Free
Kokoro Web
Free and open-source online AI voice generator for text to speech conversion.
Free
MindPeer Research Assistant
AI-powered web research assistant with summaries and OpenAI integration.
Squizzer
A Chrome extension that uses AI to help you win sQuiz games.
Free
AI CHAT GPT Free
Free platform offering unlimited AI chatbots and tools using OpenAI API.
Free
3sparks Chat
Mobile client for connecting with and chatting with local or remote LLMs.
Hyperlink Summariser
Browser extension for summarizing linked web pages to maintain reading flow.
CloseChat
ChatGPT/Claude alternative with pay-as-you-go pricing and powerful features.
Audio to Text Converter
A tool to convert audio recordings into text using the OpenAI API.
FO Translator
AI-powered Chrome extension for natural and nuanced translations.
Free
Code Optimizer Assistant
Chrome extension for code optimization and refinement.
Quiksbot
AI chatbot platform for websites and WhatsApp, trained with PDFs and website data.
SpeakIt
Chrome extension for text-to-speech using OpenAI API with voice options and download.
Marketing Chrome Extension for Naver Ji-sik-in Answer Writing
Chrome extension for AI-powered Naver Ji-sik-in answers.
Options Chain Chrome Extension
A Chrome extension for quick stock searches with options chain and company summary.
Free
네이버 지식인 답변쓰기 작업 마케팅 크롬확장 프로그램
Chrome extension for AI-powered Naver Ji-sik-in answers.
OpenAI Text To Speech WebUI
A free web UI using OpenAI API to convert text to speech.
Free
Content Marketing Chrome Extension
Chrome extension for content marketing using OpenAI API.
Drawing Prompts Generator
A tool for generating creative drawing prompts powered by OpenAI API.
Free
Echonix AI Chatbot Extension
Browser extension for fast AI chatbot responses using OpenAI API.
TTAPI
Affordable AI API platform with Midjourney, Luma, LLM, and Suno integrations.
ChatGPT Extension
Browser extension for viewing ChatGPT responses with search results.
Free
TextGPT Extension
Browser extension integrating ChatGPT for smarter text input and enhanced text editing.
Moodle GPT Quiz Solver
A tool to generate Moodle quiz solutions using OpenAI API and uploaded files.
Free
YGPT
YouTube video assessment tool using OpenAI to filter videos based on prompts.
ChatGPT with Enhanced Functionality
ChatGPT enhanced with text-to-speech using OpenAI's Whisper-1.
Sanket OpenAI ChromeX
Chrome extension for AI-powered search, summarization, and grammar correction using OpenAI API.
Free
AI Cap’n
A ChatGPT-powered AI assistant in your browser's sidebar.
GPT Edit 翻译插件
Browser extension for translation, summarization, polishing, analysis, and code explanation.
OpenRepli
Free OpenAI API adapter for generating social media replies.
Free
Ben (Chat GPT)
A desktop app for quick access to Chat GPT.
Free
Universally
A browser extension that integrates ChatGPT as a personal AI assistant on any website.
Free
ChatGPT Pal
A client for interacting with OpenAI's ChatGPT APIs via a popup.
Free
Download ChatGPT for PC, Mac, and Windows Extension
Chrome extension for easy ChatGPT 3.5 access on PC and Mac.
Free
Chat GPT Chrome Extension
A Chrome extension for quick access to Chat GPT's AI capabilities.
Free
Chrome Extension for Summarizing Long-Form Content
A Chrome extension for summarizing long-form content with AI and manual options.
PowerToys for OpenAI
ChatGPT functionality through the official OpenAI API for power users.
Search ChatGPT
Enhances search with AI insights, multi-engine support, and user-friendly features.
Free
ChatGPT Summarizer
A tool that uses AI to summarize web pages quickly.
Free
ChatGPT Extension
Chrome extension for direct ChatGPT access via OpenAI API.
GPT-3.5-turbo and GPT-4 Extension
Browser extension for using GPT-3.5-turbo and GPT-4 with highlighted text or questions.
OpenAI Access Tool
A Chrome tool for accessing OpenAI products like GPT-4, DALL.E2, and more.
Arxiv Summarizer
Summarizes arXiv papers using OpenAI API with customizable prompts and LLMs.
Free
Fast-Translator
Chrome extension for quick translation using OpenAI and Google Translate APIs.
Free
Video notetaking powered by OpenAI API
Video notetaking tool using OpenAI API for YouTube, Google Meet, Udemy, etc.
MxChat
AI Chatbot Plugin for WordPress with customizable themes and no monthly fees.
Austrian AI Rewrite & Translate Chrome Extension
Chrome extension to rewrite text and translate it into Austrian dialects using AI.
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ChatGPT Messenger
Prepaid access to GPT models without subscriptions.
Email Styler Pro
Email Styler Pro transforms email marketing with AI-powered design and automation.
302.AI
Self-service platform for top global AI models, pay-as-you-go.
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Talk2Apis
Talk2Apis uses natural language to interact with APIs via HTTP using API definitions.
C
ClarityWrite
AI content creation platform with templates, AI bots, and image generation.
Gumdrop
SMS assistant for scheduling, reservations, and note-taking.
Salvador DALL·E 3 UI
A simple UI for generating images with DALL·E 3 using your OpenAI API key.
API2D
API2D is a platform providing easy access to various AI APIs.
A
Autolicious
Chrome extension that automatically organizes bookmarks using ChatGPT.
T
TopNotch-Post
AI-powered LinkedIn post generator for effortless content creation and scheduling.
P
Powerly.ai
No-code platform to build custom, white-label ChatGPT chatbots.
H
Hyperaide
Platform to manage, optimize, and analyze AI prompts for OpenAI API calls.
OpenAI API Cost Tracker
Open-source tool to track and analyze OpenAI API usage and costs.
Free
M
Monitor AI
Monitor AI tracks OpenAI API costs and usage with widgets and analytics.
S
SaaSwithAI
AI-powered SaaS agency building custom solutions using OpenAI APIs for businesses.
T
TeamSmart AI
Chrome extension with AI assistants for summarization, coding, writing, and more, using your OpenAI API key.
GPT Everywhere (correctify.ai)
Chrome extension to use ChatGPT in any textbox on the web.
Free
TeamSmart AI
Chrome extension for AI-powered tasks like summarization, code generation, and tweet drafting.
SmartDreams
Personalized AI bedtime story app for kids with unique stories and illustrations.
Jailbroken ChatGPT
Unconstrained ChatGPT access via API key.
Free
ChatBoost - AI Chat Client
A third-party ChatGPT client for Android with enhanced features and no login required.
Free
Text Assistant
Chrome extension for writing, proofreading, and explaining text using OpenAI API.
ChatKit
ChatKit is a refined ChatGPT UI using your own API key with real-time features.
ChatGPT Online
Third-party ChatGPT web app, no login needed, maximizes capacity.
Free
S
smaihub.com
Free AI tool hub with various AI-powered tools, using OpenAI API.
Free
OpenAI API Usage Data Export
Chrome extension to export OpenAI API usage data to CSV for analysis.
Free
FloatingAI
AI assistant that floats on your phone screen and provides suggestions.
R
ResearchGPT
A research assistant that enables conversation with research papers using LLMs.
Free

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