Compare AI tools

	OpenRouter S	Replicate S	Ideogram S	Groq S
Tagline	One API, every model. Pay-as-you-go, no subscriptions.	Run any open-source AI model with an API call.	The one that actually gets text in images right.	The fastest AI inference in the world. Crazy low latency.
Category	Dev Platform	Dev Platform	Image	Dev Platform
Pricing	Pay per token — model-dependent	Pay per second of compute	Free + $8/mo + $20/mo + $60/mo	Free tier + pay-as-you-go API
Best for	Developers experimenting across models. Apps that want fallback logic.	Developers using open-source models (Flux, SDXL, Whisper, etc).	Anything with text — posters, ads, album covers, slide decks.	Developers who need sub-100ms LLM responses.
Strengths	300+ models from one endpoint Automatic fallbacks between providers No subscription — just pay what you use	Tens of thousands of models (image, video, audio, LLMs) One-line API for any model Cog framework for custom model deploy	Best text rendering in the game Strong free tier Good for logos, posters, thumbnails	500+ tokens/sec on Llama/Mixtral — feels instant Custom LPU hardware Great free tier
Weaknesses	Slight markup over direct API Some provider features not exposed	Cold starts on less-popular models Pricing gets real at scale	Aesthetic ceiling below Midjourney Less style variety	Open-weight models only (no Claude/GPT) Less flexibility on custom configs
Kai's verdict	S-tier for model-shopping. I use this for every prototype before committing.	S-tier for open-source model APIs. The default in this space.	S-tier for text-in-image. Use this for posters, Midjourney for art.	S-tier for speed. When latency is the product, start here.
Link	Open →	Open →	Open →	Open →