Agnaistic

Agnaistic, also called Agnai, is an open-source platform for chatting with fictional characters powered by large language models. Users can create character profiles, configure prompt templates, manage memory, and connect conversations to different AI providers.

The hosted service runs through a web browser. The project can also be self-hosted through Docker or installed as an NPM application. Without a database, a self-hosted installation can operate in guest-only mode.

Agnaistic supports conversations involving multiple users and multiple characters. Character definitions can use several persona formats, including plain text, W++, square-bracket format, and Boostyle.

Its memory tools include memory books, character books, chat embeddings, and user embeddings. Optional pipeline features support long-term memory along with Wikipedia article and PDF embedding.

The platform connects with services including Kobold, NovelAI, AI Horde, Goose, OpenAI, Claude, Replicate, OpenRouter, and Mancer. Image generation can use supported third-party services, including Horde, NovelAI, and compatible Stable Diffusion servers.

Users can configure generation presets, system prompts, post-history instructions, sampling controls, and prompt templates. Voice features support services such as ElevenLabs, NovelAI, and browser speech synthesis according to the product documentation.

Agnaistic offers a free hosted access tier for basic conversations and registration. The official service also describes paid subscriptions that provide access to additional models, image generation, and other subscriber features.

The public pages reviewed did not expose a current detailed subscription price table. Costs for external model providers, image services, or self-hosted infrastructure are separate from Agnaistic access.

Pros:

• Supports many hosted, third-party, and self-hosted AI services.
• Provides extensive character, prompt, memory, and preset customization.
• Offers group conversations with multiple users and characters.
• Can be used through the hosted service or deployed independently.
• Basic hosted access is available without a paid subscription.

Cons:

• Model quality and response speed depend on the selected provider.
• Self-hosting requires technical setup and may require MongoDB or other services.
• Detailed current subscription pricing is not clearly published on the reviewed public pages.
• Advanced prompt and memory controls can create a learning curve.
• Local installations do not provide the hosted service’s proprietary models.

SillyTavern is a technically oriented interface for character chat and supports a broad range of model backends. KoboldAI Lite provides a simpler interface for KoboldAI-compatible text generation. Character.AI offers a hosted character-chat experience with less infrastructure management. NovelAI combines narrative writing and character interaction with its own subscription service and models.

Is Agnaistic free?
Basic hosted access is described as free. Paid subscriptions are available for additional models, image generation, and other features.

Can Agnaistic run locally?
Yes. The project can run through Docker or as an NPM application. A local deployment can use a browser-based interface on the host machine.

Does Agnaistic provide its own AI model?
The hosted service offers Agnaistic model access for some users and plans, while the platform also connects to external and self-hosted providers.

Which integrations does Agnaistic support?
Documented providers include OpenAI, Claude, OpenRouter, Replicate, NovelAI, Kobold, AI Horde, Goose, and Mancer. Availability may change by deployment or account.

Does Agnaistic have an API?
The project includes server-side APIs and optional pipeline components for self-hosted deployments. The reviewed public documentation does not describe a separate, generally available commercial developer API.

Is there a free trial?
A separate trial period was not identified. The hosted service provides free basic access, while paid features use subscription access.