Free AI Tools 2026

Everything you need to pick
the right AI model

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

Calculators & Pricing

Token Counter

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

AI Model Pricing

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

Agent Cost Calculator

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

Model Comparisons — 91 pages

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

Customer Support Chatbot›

Code Review Assistant›

Document Summarizer›

AI Email Writer›

Content Moderation›

SQL Query Generator›

Model Directory — 14 models

Claude Opus 4 Claude Sonnet 4 Claude Haiku 4.5 GPT-4o GPT-4o mini o3 o4-mini Gemini 2.5 Pro Gemini 2.0 Flash Gemini 1.5 Pro Llama 3.3 70B Llama 3.1 405B Mistral Large 2 Mistral Small 3

Digitalix Hub

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Deploy multi-model AI agent pipelines — no GPU, no infrastructure, no DevOps. Start for free.

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