Compare AI tools

	Leonardo.ai A	Elicit S	OpenRouter S	Replicate S
Tagline	Gamer + creator image gen with model fine-tuning built in.	AI research assistant for academic literature.	One API, every model. Pay-as-you-go, no subscriptions.	Run any open-source AI model with an API call.
Category	Image	Research	Dev Platform	Dev Platform
Pricing	Free + $12-$60/mo	Free + $12-$42/mo	Pay per token — model-dependent	Pay per second of compute
Best for	Indie game devs, illustrators, anyone training custom style models.	Grad students, researchers, anyone doing literature reviews.	Developers experimenting across models. Apps that want fallback logic.	Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths	Train your own models on your style/character Great for game art + concept art Generous free tier	Searches 125M+ papers Extracts + synthesizes findings across papers Systematic review workflow	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
Weaknesses	General output behind Midjourney Can be overwhelming	Academic-only Can hallucinate citations — verify everything	Slight markup over direct API Some provider features not exposed	Cold starts on less-popular models Pricing gets real at scale
Kai's verdict	A-tier for creators training custom looks. B-tier for general use.	S-tier for academic research. Nothing else comes close for systematic reviews.	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.
Link	Open →	Open →	Open →	Open →