Alternatives to Synexa AI

fal.ai is a serverless generative media API for image, video, audio, and 3D models, billed per output with no GPU management.

Runware is a pay-as-you-go inference API for image, video, audio, 3D and LLM generation on one endpoint.

Browser-based cloud that runs 20+ pre-installed open-source AI apps for image, video, and audio generation

WaveSpeedAI gives you one API key for 1000+ image, video, audio, 3D and LLM models at pay-per-use rates.

Cloud GPU workspace with AUTOMATIC1111, ComfyUI, Forge, Fooocus, and Kohya pre-installed for Stable Diffusion, Flux, and video workflows.

One REST API for text, image, audio, and video generation — no API key needed to start

Novita AI runs 200+ open-weight LLMs, image, audio and video models through one serverless API, plus GPU cloud and an Agent Sandbox.

GMI Cloud Inference Engine runs text, image, video, and audio models behind one OpenAI-compatible API on dedicated NVIDIA GPUs.

DeepInfra delivers serverless AI inference on 100+ open models through one OpenAI-compatible API key.

High-performance AI inference platform for production ML models.

Modular runs one AI inference stack — same model, container, and OpenAI-compatible API — across NVIDIA, AMD, TPU, Trainium, and Qualcomm

Salad Cloud rents idle consumer GPUs from $0.015 per GPU-hour for retryable AI inference, image generation, transcription, and batch jobs.

Free AI image and text generation on Stable Horde — volunteer GPUs, no account needed.

Deploy ComfyUI workflows as no-code apps or autoscaling serverless APIs, billed per active GPU second.

Turn any ComfyUI workflow into a shareable AI image app you can sell to paying customers.

LocalAI is an MIT-licensed local AI runtime that serves text, voice, vision, image and agent workloads behind an OpenAI-compatible API.

Self-hosted Stable Diffusion and Flux pipelines exposed as a REST API, with an MIT-licensed Docker build and a metered hosted generation provider at 0.25

TokenHot is an OpenAI-compatible LLM API gateway that cuts model costs up to 90% with one base URL swap.