Interactive Calculators
Free Online Calculators
A single place to compare AI pricing and run quick estimates before you ship.
OpenRouter
Compare pricing across all OpenRouter models in one table
OpenAI GPT
Calculate costs for GPT-5 pro, GPT-5, GPT-5 mini & nano, plus GPT-4o and GPT-4.1
Claude
Calculate costs for Claude Opus 4.1 & 4, Sonnet 4, and Haiku 3.5
Gemini
Calculate costs for Google's Gemini models and features
DALL-E
Calculate image generation costs for DALL-E 2 and DALL-E 3
Whisper & TTS
Calculate costs for audio transcription and text-to-speech
Cohere
Calculate costs for Command, Embed, and Rerank models
Embedding
Calculate costs for different OpenAI Embedding models
Smart calculation tools at your fingertips
Our calculators make it easy to sanity‑check budgets, compare models, and explain costs to stakeholders without spreadsheets or guesswork.
Why people use them
- Real-time math with up-to-date pricing tables
- Clear defaults for input/output token assumptions
- No setup—open, enter numbers, get answers
- Side-by-side model comparisons that stay current
What's inside
- Token-based pricing for text, image, and audio models
- Context window notes and caching where it matters
- Quick links to related calculators and docs
- Shareable URLs so teammates land on the right tool