Best AI API Tools

Qwen

Qwen is a free AI assistant powered by the Qwen series models, offering chat, search, deep research, image generation, and web development.

BigModel

Zhipu AI's BigModel platform offers GLM model APIs, coding plans, agents, MCP services, knowledge bases and fine-tuning.

OpenAI Platform

Developer platform for building with the OpenAI API, with docs, API reference, starter apps and cookbooks.

DeepSeek

DeepSeek is an AI assistant with DeepThink reasoning, web search, a chat web app, a desktop harness, and an API platform with docs.

Claude Developer Platform

Anthropic's developer console and API for building agents and applications with Claude models and managed agent infrastructure.

Azure AI Foundry

Enterprise AI platform to build, ground, and govern AI apps and agents at scale with models, tools, and governance.

ModelScope

Open-source model community and Model-as-a-Service platform for hosting, evaluating, fine-tuning, and deploying AI models, datasets, and applications.

DeepSeek

DeepSeek Open Platform provides API access to the DeepSeek V4 series for building applications, with API docs and web search and fetch support.

Alibaba Cloud Model Studio

Alibaba Cloud's MaaS platform for building AI agents, RAG knowledge bases, and workflows with Qwen and Wan models.

iFlytek Open Platform

iFlytek Open Platform provides APIs and solutions for large models, speech recognition, speech synthesis, OCR, and machine translation.

Fireworks AI

Fireworks AI is a developer platform for training, fine-tuning, and serving open models with serverless, on-demand, and reserved inference.

Hunyuan

Tencent Hunyuan is a family of large models with open-source releases, research updates, and links to Tencent AI products for building and trying model-powered workflows.

HiAPI

Unified API gateway for leading image, video, audio, and text generation models, with persistent artifact storage and callbacks.

NVIDIA Build

NVIDIA's platform for prototyping with free model inference endpoints, agentic skills, blueprints, and playbooks, with options to deploy NIM locally or via partners.

IBM watsonx

IBM's enterprise AI platform for building, deploying, and governing AI applications with trusted data and automation.

MiniMax

MiniMax is an AI platform offering multimodal models for text, video, speech and music, plus agent tools and API access for developers.

OpenRouter

Unified API interface for 500+ AI models from 80+ providers, with routing, fallback, and OpenAI-compatible access.

Kimi

Kimi API open platform offering K3 and K2 series models with OpenAI- and Anthropic-compatible APIs, official tools, and pay-as-you-go token billing.

SenseNova

SenseNova is SenseTime's large-model API platform offering text chat, multimodal understanding, image generation and tool calling via OpenAI-compatible endpoints.

Qianfan

Baidu Qianfan is an enterprise-grade, Agent-centric platform for building, deploying, and operating large-model applications and agents.

Google AI Studio

Google AI Studio is a developer platform for experimenting with Gemini, Veo, Nano Banana, and other Google AI models, then building with the Gemini API.

Amazon Bedrock

AWS platform for building generative AI applications and agents at production scale with model choice, customization, guardrails and cost optimization.

StepFun

StepFun offers frontier and voice AI models, an AI Studio for exploration, and an API platform for building applications and agentic workflows.

Gemini Enterprise Agent Platform

Google Cloud platform for building, deploying, and governing enterprise AI agents and apps with Gemini and 200+ models.