SillyTavern

A model-agnostic local chat frontend for immersive roleplay and narrative control

Character & Roleplay ChatRoleplayTRPGLorebookOpen SourceLocal LLMFree

SillyTavern is an open-source, highly customizable chat frontend for immersive LLM conversations. It does not include a model, but connects to APIs such as Claude, OpenAI, and DeepSeek or local models, with lorebooks, character cards, regex replacements, and extensions for roleplay and long-form narrative control.

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Key Features

Model Agnostic
Use providers such as Claude, OpenAI, and DeepSeek, or connect a locally run language model without being tied to one backend.
Lorebook Dynamics
Trigger background context from keywords so names, places, and world details can be injected into a conversation when needed.
Card Importer
Load compatible community character cards with their portraits, personality setup, and opening message.
Deep Customization
Tailor themes, interface behavior, text replacements, and workflows with advanced settings and extensions.

Pros

Extensive UI and workflow customization
Works with multiple APIs and local language models
Lorebooks and regex tools support long-form scenarios
Local installation keeps data and configuration under user control

Considerations

Requires network, API, or local-model setup knowledge
Conversation quality depends on the connected model
Advanced extensions and regex rules require configuration effort
API fees or local-model resources are the user's responsibility
SillyTavern is free and open source; model API usage or local inference costs are paid by the user.