Best Free AI API tools

Runpod is an AI developer cloud for launching GPU pods, serverless endpoints, and clusters to build and scale AI workloads.

Uncensored AI is an AI model hub and chat platform offering access to multiple major models, including uncensored variants, plus a private-beta API.

Kie.ai is a unified AI API platform for accessing video, image, audio, and LLM models through one integration with transparent pricing.

Postly is a social media scheduling and content distribution platform with email campaigns, Bio Pages, APIs, analytics, and AI-agent workflows.

Cartesia builds fast speech AI models and voice agents for real-time text-to-speech, transcription, and interactive conversations.

Geekflare offers an AI workspace, developer APIs, and free business tools for teams and creators.

Sync. labs provides AI lip sync and visual dubbing tools to adapt video performances across languages while preserving facial detail.

LOVO is an AI voice generator and text-to-speech platform for creating realistic voiceovers, video narration, and voice cloning in 100+ languages.

Salad is a distributed GPU cloud offering low-cost, geo-distributed compute for AI, inference, training, and other GPU-heavy workloads.

Lightning AI is an AI cloud platform for building, training, and deploying models with managed GPUs, notebooks, clusters, and inference tools.

Inworld AI provides realtime voice AI tools for text-to-speech, speech-to-speech, speech-to-text, and model routing for conversational applications.

SiliconFlow is an AI cloud platform for fast inference, deployment, and fine-tuning of LLMs and multimodal models through one OpenAI-compatible API.

MachineTranslation.com is a free AI translation platform that compares 22 models to help users choose the best result.

Mathpix converts PDFs and images into searchable, exportable text with OCR APIs and apps for STEM content.

ZenMux is a unified AI model gateway that provides API and chat access to multiple leading models with routing, analytics, and compensation features.

Tunee is an AI music agent that creates songs, music videos, and character-driven content through conversation.

Browser Use provides AI browser automation, stealth browser infrastructure, and web agent tools for building AI that can use websites.

Hera is an AI motion design platform for generating studio-quality animated videos from text prompts and templates.

Kula is an AI-native applicant tracking system that unifies sourcing, screening, scheduling, interviewing, and analytics for hiring teams.

Zeabur is an AI-powered DevOps platform for deploying apps, managing servers, databases, domains, email, and AI models.

Pipedream is a workflow automation platform for connecting APIs, databases, and AI agents with low-code and developer-friendly tools.

AssemblyAI provides speech-to-text, speech understanding, voice agent, and LLM gateway APIs for building voice AI products.

Nebius is an AI cloud platform offering GPU infrastructure, managed services, and Token Factory for training and inference workloads.

RunComfy is a cloud platform for ComfyUI that lets creators run, share, and deploy workflows without local setup.

AI platform that generates 3D models from text or images in seconds, with texturing, remeshing, and export tools.

Vocareum is a hands-on learning platform for secure cloud, AI, and data labs with automated assessment and AI tutoring.

1minAI is an all-in-one AI app for chat, writing, image, audio, video, and document tasks across web, mobile, desktop, and browser.

Pinecone is a fully managed vector database for building knowledge-powered AI applications with fast retrieval and automatic indexing.

CelebMakerAI is an AI content creation platform for generating images, videos, custom characters, and creator automations, including adult-oriented outputs.

Cerebras provides high-speed AI inference, training, and serving infrastructure powered by wafer-scale chips and cloud APIs.

Jina AI provides search infrastructure APIs for reading, embedding, and reranking web and document content.

Atlas Cloud is a full-modal AI inference platform offering one API for chat, image, video, and audio models.

Gemini Code Assist is Google’s AI coding assistant for teams and businesses, offering code help, agents, and enterprise controls across IDEs and cloud tools.

Noiz AI is an AI voice platform for text-to-speech, voice cloning, voice design, dubbing, and emotion-controlled narration.

Fireworks AI is a generative AI platform for fast inference, model hosting, fine-tuning, and scalable deployment of open models.

LiteLLM is an AI gateway for accessing 100+ LLMs with OpenAI-compatible APIs, fallbacks, and spend tracking.

Blink is an AI app builder that turns plain-English ideas into production-ready full-stack apps with hosting, auth, databases, and payments.

D-ID is an AI video and visual avatar platform for generating multilingual videos and real-time interactive digital humans.

Murf AI is an AI voice generator platform for text-to-speech, voiceovers, dubbing, and voice agent APIs.

Deepgram provides enterprise voice AI APIs for speech-to-text, text-to-speech, and voice agents in one platform.

AKOOL is an AI video and image suite for creating avatars, face swaps, translated videos, and marketing visuals.

HypeAuditor is an AI-powered influencer marketing platform for discovering creators, analyzing audiences, managing campaigns, and benchmarking markets.

Vbee AIVoice is an AI voice platform for text-to-speech, voice cloning, dubbing, and voice API integration.

Together AI is an AI-native cloud for running, shaping, and pre-training open-source models at production scale.

Memories.ai is an AI video analysis platform that searches, transcribes, and understands video with long-context visual memory.

Magisterium AI is a Catholic AI answer engine that provides faithful answers, study tools, and Church-rooted research across web, mobile, and messaging apps.

Phrase is an AI-powered localization platform for translation, workflow automation, and multilingual content management.

Exa is a web search API and AI search engine for agents, offering crawling, research, and structured web retrieval.

Rodin AI by Hyper3D is a free AI 3D model generator for creating 3D assets, models, and objects from text or images.

ImageKit is a media API and AI-powered DAM platform for optimizing, transforming, streaming, and managing images and videos.