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Best Alternatives to Abacus.AI

ChatLLM gives you GPT, Claude, Gemini, Grok, DeepSeek and 20+ models under one $10/month subscription. There is no free ChatLLM tier — the free developer tier belongs to the separate Abacus.AI ML platform. Our comprehensive comparison helps you find the perfect AI Agents alternative based on pricing, features, privacy, and workflow requirements. We've hand-picked the top-rated tools with strong free tiers and proven user satisfaction.

← Full Abacus.AI review and details · Browse all 802+ tools

Quick Comparison

ToolPricingBest For
PoefreemiumQuora Poe = GPT-4/Claude/Gemini all-in-one. FREE daily limit...
CustomGPTfree-trialBuild GPT-4 powered AI chatbots trained on your own document...
OnfidofreemiumOnfido is now part of Entrust: onfido.com redirects to Entru...
BardfreeGoogle Gemini AI (formerly Bard) - FREE real-time Google Sea...
Thomson ReutersfreemiumWestlaw legal research + Checkpoint tax/accounting + Reuters...
Freemium
Poe

Poe

Quora Poe = GPT-4/Claude/Gemini all-in-one. FREE daily limits + $19.99/mo unlimited + create custom bots.

Free Trial
CustomGPT

CustomGPT

Build GPT-4 powered AI chatbots trained on your own documents and website with no code, anti-hallucination technology, and enterprise-grade data privacy.

Freemium
Onfido

Onfido

Onfido is now part of Entrust: onfido.com redirects to Entrust identity verification. The AI KYC capability - document, selfie and biometric checks - continues under Entrust branding.

Free
Bard

Bard

Google Gemini AI (formerly Bard) - FREE real-time Google Search integration for research and writing.

Freemium
Thomson Reuters

Thomson Reuters

Westlaw legal research + Checkpoint tax/accounting + Reuters news. Enterprise pricing consultation. Lawyers/accountants essential.

Freemium
Ninja AI

Ninja AI

Ninja AI provides access to 20+ AI models including GPT-5.2, Claude, and Gemini alongside autonomous agent automation for research, coding, and content tasks.