OpenFate vs HammerAI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenFate compared with HammerAI
Detail	OpenFate	HammerAI
What it does	Calculation-first AI astrology, Bazi and life strategy platform with six chart systems and compatibility tools	Free private AI chat and roleplay platform
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free charts and basic tools. Optional paid subscriptions and one-time credit packs available. Subscriptions auto-renew monthly or yearly until canceled. One-time credits and passes do not auto-renew. Refund requests accepted within 7 days of purchase or renewal for unused credits, duplicate charges,	Free: unlimited local AI chat, 600 cloud messages/day, 2 cloud LLMs, 8,192 token context. Starter: $9/month with 1,500 credits/month, unlimited cloud messages, 4 cloud LLMs, 16,384 token context. Advanced: $18/month with 3,500 credits/month, 8 cloud LLMs, 32,768 token context. Ultimate: $35/month wi
Key features	Bazi (Four Pillars of Destiny) chart calculation and reading Ziwei Doushu chart calculation and interpretation Western astrology with planets, houses, and aspects Vedic astrology with lagna and nakshatra analysis Human Design chart analysis Six compatibility systems (Bazi, Ziwei, Western, Vedic, Sukuyo, Combined) Six oracle methods (Tarot, Meihua I Ching, Liu Yao, Lenormand, Qimen Dunjia, Guanyin Lots) Daily fortune and event timing guidance Birth time calibration tool Saved reports and contextual follow-up chat	Local AI models with offline support 20+ language models supported AI character roleplay AI story writing Group chats with multiple AI characters No account required for local use Conversation memory with automatic summaries
What makes it different	Calculation-first architecture with deterministic rules engine before AI interpretation Six independent astrology and divination systems in one platform Multilingual support across five languages Open source Bazi MCP server for AI agents and developers Clear interpretation boundaries with no guarantees of outcomes	Completely free local AI chat with no internet required Total privacy with no data collection for local models Works offline on desktop without any account Support for 20+ open-source language models Cloud and local options with cross-platform availability
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	28 +1 (up) since last check	52 +1 (up) since last check
Trust Flow (Majestic)	22	7
Citation Flow (Majestic)	35	35
Referring domains (Majestic)	269	245

5 details filled in for both companies.

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