Best AI & Machine Learning APIs in 2026
APIs for language models, image generation, speech recognition, and computer vision. These power the AI features in modern applications - from chatbots to content generation pipelines.
21 APIs across 7 subcategories
LLMs & Generative AI(7)
OpenAI API
Access GPT models for text generation, code, vision, and embeddings.
npm i openaiAnthropic API
Access Claude models for reasoning, coding, and analysis.
npm i @anthropic-ai/sdkAWS Bedrock
Access Claude, Llama, and other foundation models on AWS.
npm i @aws-sdk/client-bedrock-runtimeGoogle Gemini API
Google's multimodal AI models for text, image, and code generation.
npm i @google/generative-aiMistral API
Open-weight and commercial LLMs from Mistral AI.
npm i @mistralai/mistralaiCohere API
Enterprise LLMs for search, generation, and classification.
npm i cohere-aiAzure OpenAI Service
Enterprise access to GPT, DALL-E, and Whisper on Azure.
npm i @azure/openaiComputer Vision(3)
AWS Rekognition
Image and video analysis: faces, objects, text, and moderation.
npm i @aws-sdk/client-rekognitionGoogle Vision API
Image analysis: labels, faces, text (OCR), landmarks, and logos.
npm i @google-cloud/visionClarifai API
Image and video recognition for visual search, face detection, and moderation.
npm i clarifai-nodejsModel Hosting & Inference(2)
Replicate API
Run open-source ML models in the cloud with a simple API.
npm i replicateHugging Face Inference API
Run 2M+ open-source models for NLP, vision, audio, and more.
npm i @huggingface/inferenceSpeech & Audio AI(4)
Deepgram API
Real-time and batch speech-to-text with high accuracy.
npm i @deepgram/sdkAssemblyAI
Speech-to-text, summarisation, sentiment analysis, and content moderation.
npm i assemblyaiElevenLabs API
AI voice generation, text-to-speech, and voice cloning.
npm i elevenlabsWhisper API (OpenAI)
Speech-to-text transcription and translation.
NLP(1)
Google Cloud Natural Language API
Sentiment analysis, entity recognition, and syntax analysis.
npm i @google-cloud/languageImage Generation(2)
Stability AI API
Stable Diffusion models for image generation and editing.
npm i stability-aiDALL-E API (OpenAI)
Generate and edit images from text prompts.
Code Generation(2)
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