OpenAI-compatible chat completions API. Drop-in replacement for the OpenAI API — use any OpenAI SDK or client to access Claude, Gemini, Grok, DeepSeek, Llama, Qwen, Mistral, and all OpenAI models (GPT-5, GPT-4o, o3) through fal. Powered by OpenRouter.

Run any LLM with fal. Access Claude (Anthropic), ChatGPT / GPT-5 / GPT-4o (OpenAI), Gemini (Google), Grok (xAI), DeepSeek, Llama (Meta), Qwen (Alibaba), Mistral, and 200+ more models through a single API. Supports reasoning, structured output, and streaming. Powered by OpenRouter.

Generates synchronized sound effects for a video as audio files, with speech preserved or separated. Supports text prompts for off-screen sounds and ambience.

Analyzes your video’s pacing, mood, and timing to generate a frame-synced, licensed, commercial-use-safe soundtrack in seconds.

Analyzes a video and generates synchronized, royalty-free sound effects timed to visible actions. Returns the generated sound-effects audio track for commercial use.

Run any decision model with fal, powered by OpenRouter.

The OpenRouter Responses API with fal, powered by OpenRouter, provides unified access to a wide range of large language models - including GPT, Claude, Gemini, and many others through a single API interface.

Generate text embeddings using OpenAI-compatible API. Access embedding models like text-embedding-3-small, text-embedding-3-large (OpenAI), and other embedding models available through OpenRouter. Drop-in replacement for the OpenAI embeddings API. Powered by OpenRouter.

Generate audio from input videos using Kling

Run any LLM (Large Language Model) with fal, powered by OpenRouter.

Seed 2.0 Mini is a high-performance multimodal model optimized for low latency and high concurrency. It supports text, image, and video input with 256K context and configurable thinking/reasoning modes.

Audio separation with SAM Audio. Isolate any sound using natural language—professional-grade audio editing made simple for creators, researchers, and accessibility applications.

Generate video prompts using a variety of techniques including camera direction, style, pacing, special effects and more.

Writes song lyrics and a title from a text prompt describing a topic, theme, or song concept.

Generates soundtracks from an uploaded image or video, with optional style and mood guidance, audio-range selection, and multiple variations.

Choose the Nth image from an image URL list for workflows.

Continues existing song lyrics, accepting section labels alongside the supplied text and returning extended lyrics.

Chat and reason with NVIDIA Nemotron 3.5 Super, a hybrid Mamba-Transformer mixture-of-experts model with optional step-by-step thinking.

Open, efficient reasoning model from NVIDIA. 30B A3B hybrid Transformer-Mamba MoE, built for enterprise agentic workflows.