Free AI Tools 2026

Everything you need to pick
the right AI model for your workflow

123+ free tools covering pricing, comparisons, cost calculators, and use-case breakdowns — all updated 2026.

Calculators & Pricing

Free Tool

Token Counter

Count tokens for any model in real-time. Supports Claude, GPT-4o, Gemini, Llama and more.

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Free Tool

AI Model Pricing

Compare input/output costs for all 14 major models. Filter by provider, tier, and context window.

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Free Tool

Agent Cost Calculator

Estimate monthly costs for multi-agent AI systems — preset templates or build your own stack.

Model Comparisons — 91 pages

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Claude Sonnet 4 vs GPT-4o
Claude Opus 4 vs o3
Gemini 2.5 Pro vs GPT-4o
Claude Haiku 4.5 vs GPT-4o mini
Gemini 2.0 Flash vs GPT-4o mini
Claude Sonnet 4 vs Gemini 2.5 Pro

Use Case Cost Calculators — 15 pages

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Customer Support Chatbot
Code Review Assistant
Document Summarizer
AI Email Writer
Content Moderation
SQL Query Generator

Model Directory — 14 models

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Claude Opus 4Claude Sonnet 4Claude Haiku 4.5GPT-4oGPT-4o minio3o4-miniGemini 2.5 ProGemini 2.0 FlashGemini 1.5 ProLlama 3.3 70BLlama 3.1 405BMistral Large 2Mistral Small 3

Frequently Asked Questions

Are these AI tools really free?

Yes, completely free with no signup required. The token counter, model pricing tables, agent cost calculator, and all comparison pages work instantly in your browser.

How accurate is the AI model pricing data?

We track pricing for 14+ models from OpenAI, Anthropic, Google, Meta, and other providers. Data is updated as providers announce changes.

What is the agent cost calculator?

It estimates your monthly costs for running multi-agent AI systems. Pick a preset template (customer support, content creation, sales pipeline) or build a custom agent stack with your preferred models.

How do the model comparisons work?

We compare models head-to-head across pricing, context window, speed, and capabilities. 91 comparison pages cover every major model pairing.

Can I use these tools to plan my Digitalix Hub setup?

Absolutely. The agent cost calculator and model pricing tools are designed to help you estimate costs before subscribing. See exactly what your AI company will cost to run.

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Free AI Tools — Compare Models, Count Tokens, Calculate Agent Costs