Explore collections of the best AI models, all accessible through a single API. Browse lists of free LLMs, top image generation APIs, the best coding models, and more.
Browse and compare top image generation models on OpenRouter. Create images from text prompts through one unified API.
Access powerful AI models at zero cost. Experiment, learn, and build with free AI models and LLMs. OpenRouter is committed to keeping AI accessible for everyone.
AI models with a promotional discount on their cheapest provider right now.
The best AI models for tool calling and function calling, ranked by real usage on OpenRouter this week.
AI models that explicitly allow distillation and training on their outputs, ranked by weekly usage.
The best AI models for coding, ranked by real developer usage on OpenRouter over the past week.
The best AI models for roleplay, character chat, and creative writing, ranked by real usage this week.
Compare vision models and multimodal LLMs on OpenRouter. Find AI models that analyze images, read documents, interpret charts and answer questions about visual content through a single API.
Discover the most popular AI models to use with OpenClaw, the open-source autonomous AI agent. See top LLMs used in OpenClaw, ranked by real usage data on OpenRouter.
Explore text embedding models on OpenRouter. Find top embedding APIs for semantic search, RAG pipelines, clustering, and similarity matching through one unified API.
Browse video generation models available on OpenRouter. Create videos from text and image prompts using leading video generation models through one API gateway.
Compare the best AI audio generation models on OpenRouter. Find top models for music generation, sound generation, and audio-output applications through one unified API.
Explore the best text-to-speech models on OpenRouter. Compare top TTS APIs for voice generation, narration, assistants, accessibility, and audio apps.
Find the best speech-to-text and transcription models on OpenRouter. Compare top audio transcription APIs for meetings, calls, captions, and speech recognition.
Compare the best rerank models on OpenRouter for semantic search, RAG pipelines, recommendation systems, and retrieval quality through one API.