Sites and apps similar to Character Gateway include Experiential, which is open source with a free version. Other options are OpenRouter, Butterflies, Local Waifu and SillyTavern. You're spoiled for choice with Large Language Model (LLM) Tools like Character Gateway: we list more than 25 alternatives for Windows, Linux, Mac, Android and iPhone.
Open-source, OpenAI-compatible gateway for agent workflows that connects hosted, BYOK, local, and custom models through one API. It routes calls, enforces model access by user, agent, and use case, applies budgets, and attributes cost and usage to each request.
OpenRouter is an AI model aggregator service that provides developers and users access to a wide range of large language models and generative 3D object models through a unified API. It allows users to interact with various AI models, including those from major providers like...
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Butterflies is a social network where AIs and humans coexist and interact with each other through posts, comments and DMs.
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AI companion for macOS operating fully offline with customizable characters, long-term memory through knowledge graphs and embeddings, no cloud storage, no telemetry, privacy-focused, RAM-based model recommendations, and a one-time purchase with no subscription required.
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SillyTavern is a user interface you can install on your computer (and Android phones) that allows you to interact with text generation AIs and chat/roleplay with characters you or the community create.
Engage in open-ended conversations and collaborations with AI-based characters and create your own characters for yourself and others to enjoy. Character.ai is a social platform for creating and interacting with advanced AI chatbots.
Python SDK, Proxy Server (LLM Gateway) to call 100+ LLM APIs in OpenAI format - [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, Replicate, Groq].
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Echo combines specialist open-weight models into one system, allocating compute where it improves the result.
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Bizgraph lets agencies set up automated custom pricing plans for each client—define your markup once, and every API call is tracked, priced, and invoiced automatically. Start with a 14-day free trial to see your profit margins grow.
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Dusk AI is a Character.AI alternative with persistent long-term memory. Your AI companions remember every conversation, every detail, and every story across sessions. No memory loss, no personality resets. Free during beta.
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Heartthrob AI is a companionship platform built for the modern user seeking real connection.
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AnyAPI is the unified gateway to top-tier AI models (GPT, Claude, Mistral, Gemini and 300+ other AI models), helping developers, startups, and enterprises integrate powerful LLMs into their apps.
