Best 60 AI API Tools in 2026

oMLX - LLM Inference Optimized for Mac, 9Router - Free AI Router, OmniRoute - Free AI Gateway for Multi-Provider LLMs, LangChain, DFlash: Block Diffusion for Flash Speculative Decoding - Z Lab, OpenHands, and more — curated from the AOYII directory, updated daily.

9Router - Free AI Router 9Router - Free AI Router Free AI routing with smart 3-tier fallback. Maximize subscriptions, auto-switch to cheap/free models. Never stop coding with Claude Code, Codex, Gemini CLI. 4.0
OmniRoute - Free AI Gateway for Multi-Provider LLMs OmniRoute - Free AI Gateway for Multi-Provider LLMs Free, open-source AI router with auto-fallback. 236 providers, one endpoint, 95 MCP tools, 17 routing strategies, A2A protocol, auto-combo engine, semantic cache, memory & skills. Deploy anywhere. 4.0
LangChain LangChain LangChain provides a comprehensive suite of products to support developers throughout their entire development workflow. 4.0
OpenHands OpenHands Open-source, model-agnostic platform for building and deploying cloud coding agents. Automate real engineering work securely with full transparency and control. 4.0
Agent-Native Apps Framework Agent-Native Apps Framework Build agentic apps where AI agents and UI share the same database and state. Open source framework with ready-to-fork templates. 4.0
DeerFlow - Agent Framework DeerFlow - Agent Framework A LangChain-based framework for building super agents. Streamlines the development of advanced AI agents with ease. 4.0
Claude Claude Claude by Anthropic is a leading AI assistant designed for natural conversations, complex tasks, and enterprise-grade reliability. 3.0
LongCat AI | AI Assistant LongCat AI | AI Assistant LongCat AI is an intelligent assistant that helps with various tasks, providing efficient and accurate responses. 3.0
Scale AI - Data Platform Scale AI - Data Platform Scale AI provides high-quality training data for AI, including AR/VR and more. Accelerate your AI development. 4.0
DeepSeek V4.1 Flash DeepSeek V4.1 Flash DeepSeek V4.1 Flash is DeepSeek's new-generation flagship: a 552B MoE with an asymmetric CED architecture offering native vision, 1M-token context and V4-Pro-beating performance at lower cost. 4.0
Perplexity AI Perplexity AI Perplexity AI is a search engine that uses OpenAI API to provide accurate answers, offering a better alternative to Google with advanced features. 4.0
Hugging Face - AI Model Hub Hugging Face - AI Model Hub Hugging Face is a leading platform for sharing and discovering AI models, datasets, and applications. 4.0
CopilotKit - AI Agent Frontend Stack CopilotKit - AI Agent Frontend Stack The enterprise-ready frontend stack for agents. CopilotKit lets you integrate LLMs or agents with real-time context, UI control, and full flexibility. 4.0
MinerU - PDF to Markdown MinerU - PDF to Markdown MinerU converts PDFs to Markdown and other formats with high accuracy. It's a powerful tool for extracting text and data from PDF files. 4.0
FunASR - End-to-End Speech Recognition Toolkit FunASR - End-to-End Speech Recognition Toolkit Industrial-grade speech recognition toolkit. 170x realtime on GPU, 50+ languages, speaker diarization, emotion detection, OpenAI-compatible API, vLLM acceleration, and agent integration. 4.0
TRAE - AI Coding Assistant TRAE - AI Coding Assistant TRAE is an AI-powered coding assistant that helps developers write, debug, and optimize code efficiently. 3.0
Rig - Build Powerful LLM Applications in Rust Rig - Build Powerful LLM Applications in Rust Rig: A Rust framework for building modular, scalable LLM applications. Features a unified LLM interface, Rust-native performance, and advanced AI workflow abstractions to streamline development. 4.0
Llama Llama Llama 4 is a powerful AI model family with Scout and Maverick versions. Experience advanced AI capabilities. 3.0
Devin | The AI Software Engineer Devin | The AI Software Engineer Devin is an AI software engineer by Cognition that plans, codes, and ships PRs end to end — with parallel cloud agents, Automations, and deep GitHub/Linear/Slack integrations. 4.0
Zapier AI Zapier AI Zapier AI automates workflows by connecting apps and using AI to streamline tasks. 4.0
Potpie - AI Code Agents Potpie - AI Code Agents Build custom AI agents for engineering tasks like system design, debugging, and testing, powered by your codebase's intelligence and context. 4.0
Anthropic Anthropic Anthropic is a leading AI safety company. Their models are designed to be helpful, harmless, and honest. 3.0
Supabase Supabase Supabase is an open-source Firebase alternative with Postgres. It offers real-time APIs and authentication for building apps. 4.0
Warp Warp NVIDIA's advanced technology. 4.0
AI Proxy AI Proxy Unified AI proxy for OpenAI/Claude/Gemini, offering seamless integration and enhanced performance. 4.0
Supermemory Supermemory Memory API for the AI era. Store, retrieve, and manage AI memories effortlessly. 4.0
Supervision Supervision Supervision by Roboflow provides tools for computer vision projects. 4.0
gemini-webapi - PyPI gemini-webapi - PyPI Access the Gemini Web API easily with this Python package, simplifying integration and usage. 4.0
OpenAI - PyPI OpenAI - PyPI The official Python library for the OpenAI API. 4.0
island AI Coding island AI Coding 一站式企业级 AI API 中转站与聚合网关,统一接入 Claude Opus 5、GPT-5.6、Grok 4.6、Gemini 3.6、DeepSeek V4、Kimi K3、智谱 GLM 等 40+ 顶级大模型,全系支持 Prompt 缓存与流式传输,生图 API 低至 0.03 元/张。 3.0
Unitree Robotics Unitree Robotics Unitree Robotics develops agile and affordable robots for various applications. Their products include the 2021 and 2022 models, designed for research and commercial use. 3.0
TensorRT-LLM TensorRT-LLM TensorRT-LLM is NVIDIA's high-performance inference library for LLMs, delivering low latency and high throughput. 3.0
vLLM - Efficient LLM Serving vLLM - Efficient LLM Serving vLLM is a high-throughput, memory-efficient inference and serving engine for LLMs. Optimize your AI deployment. 3.0
SGLang SGLang SGLang is a fast and flexible framework for serving large language models with advanced API support. 3.0
Ollama Ollama Ollama enables easy local deployment of large language models, offering a simple CLI and API for developers. 3.0
Kiro: Agentic AI Development Kiro: Agentic AI Development Kiro enables agentic AI development from prototype to production, with an IDE that streamlines the entire workflow. 3.0
Open WebUI Open WebUI A user-friendly web UI for AI models, supporting Ollama and OpenAI APIs. 3.0
Flowise Flowise Flowise is a low-code platform for building AI agents and LLM applications, enabling rapid development and deployment of AI solutions. 3.0
LibreChat LibreChat An open-source chat interface for 2025, offering flexible and customizable AI conversations. 3.0
LiteLLM LiteLLM LiteLLM is a lightweight LLM proxy that provides OpenAI-compatible APIs for 100+ models. It simplifies integration and management. 3.0
Xinference Xinference Xinference provides a flexible platform for deploying and serving AI models, supporting various frameworks and easy integration. 3.0
IDX IDX IDX is Google's AI-powered cloud development environment, offering VS Code integration and Gemini AI assistance. It streamlines coding with intelligent features and cloud-based collaboration. 3.0
n8n - AI Workflow Automation n8n - AI Workflow Automation n8n is a workflow automation tool that integrates AI capabilities, allowing users to automate complex processes and connect various services effortlessly. 3.0
Kodezi - AI CTO for Codebases Kodezi - AI CTO for Codebases Kodezi acts as an AI CTO for your codebase, automating code review, refactoring, and maintenance to improve code quality. 3.0
Model Context Protocol Model Context Protocol Model Context Protocol (MCP) is an open standard that standardizes how applications provide context to AI models, enabling seamless integration and interoperability. 3.0
CSDN AI CSDN AI CSDN Search is an AI-powered coding assistant and code generation tool that enhances productivity and creativity for developers and creators. 3.0
AutoGen AutoGen AutoGen simplifies the creation of multi-agent AI systems, providing tools for orchestration and collaboration. 3.0
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