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Head-to-head · AI Roleplay Chatbots

SillyTavern vs HammerAI

  • Updated Nov 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score SillyTavern #4 in AI Roleplay Chatbots 8.7/10 Free plan Free plan✓ 2 of 4 features Visit SillyTavern
HammerAI #9 in AI Roleplay Chatbots 7.8/10 Free plan Free plan✓ 2 of 4 features Visit HammerAI

SillyTavern leads on 0 checks, HammerAI on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSillyTavern · 8.7/10
  • Free planboth

SillyTavern scores higher on our rubric for ai roleplay chatbots: 8.7 against 7.8 out of 10; our editors rank them #4 and #9.

HammerAI offers native mobile apps; SillyTavern doesn't.

SillyTavern is the better fit for power users who want maximum customization. HammerAI is the better fit for flexible roleplay across devices and local models.

  • SillyTavern fits best

    Power users who want maximum customization

  • HammerAI fits best

    Flexible roleplay across devices and local models

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Side by side

Feature SillyTavern 8.7/10 Visit ↗ HammerAI 7.8/10 Visit ↗
At a glance
Editor score 8.7 7.8
Ranking #4 in AI Roleplay Chatbots #9 in AI Roleplay Chatbots
Best for Power users who want maximum customization Flexible roleplay across devices and local models
Pricing model Free Free plan + paid
Starting price Free plan $9/mo
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, Android Web, Windows, macOS, Linux, iOS, Android
Support Community, Docs, Tickets Community
Integrations 11 integrations 2 integrations
Built for Solo, Small business Solo, Small business
Features SillyTavern 2/4 · HammerAI 2/4
Scenario templates Not checked yet Not checked yet
Persistent memory ✓ ✓
Voice chat ✓ (best) Not checked yet
Native mobile apps — ✓ (best)
Specs
Content controls Not checked yet Mature
Free messages Not checked yet 600 messages/day
Character limit Not checked yet Not checked yet
Our review
Pros
  • Extensive character, persona, scenario, lore, and prompt controls
  • Connects with hosted providers, self-hosted models, image tools, and voice services
  • Free, open-source software with local installation and stored chat history
  • Runs on web, Windows, macOS, Linux, iOS, and Android
  • Supports custom characters, group chats, lorebooks, and personas
  • Offers local desktop models plus OpenRouter and Ollama integrations
Cons
  • Requires users to supply an AI provider or run a self-hosted model
  • No native mobile app, despite Android platform support
  • Smart Context is unmaintained and not recommended
  • Local AI model execution is limited to desktop platforms
  • Free access has a 600-message daily limit and 8,192-token context
  • Cloud images, text-to-speech, and automatic memory require paid credits or plans
Our verdict

SillyTavern is a locally installed interface for interacting with text-generation models, image-generation engines, and text-to-speech voice models. It is designed for AI hobbyists and roleplay users who want detailed control over…

Read the review →

HammerAI is an AI character-chat and roleplay platform for people who want more than one-to-one conversation. It supports custom character creation, group chats with multiple characters, lorebooks, personas, AI story writing, image…

Read the review →
  1. SillyTavernAI Roleplay Chatbots 8.7Free plan
  2. HammerAIAI Roleplay Chatbots 7.8Free plan

Strengths and trade-offs

  • SillyTavern — where it wins

    • Extensive character, persona, scenario, lore, and prompt controls
    • Connects with hosted providers, self-hosted models, image tools, and voice services
    • Free, open-source software with local installation and stored chat history

    Where it doesn't

    • Requires users to supply an AI provider or run a self-hosted model
    • No native mobile app, despite Android platform support
    • Smart Context is unmaintained and not recommended

  • HammerAI — where it wins

    • Runs on web, Windows, macOS, Linux, iOS, and Android
    • Supports custom characters, group chats, lorebooks, and personas
    • Offers local desktop models plus OpenRouter and Ollama integrations

    Where it doesn't

    • Local AI model execution is limited to desktop platforms
    • Free access has a 600-message daily limit and 8,192-token context
    • Cloud images, text-to-speech, and automatic memory require paid credits or plans

More comparisons

All AI roleplay chatbots comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update