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-5.4 pro, GPT-5.4, o3-pro, o3, o4-mini, and GPT-4.1 family
Claude
Calculate costs for Claude Opus 4.6, Sonnet 4.5, Haiku 4.5, and legacy models
Gemini
Calculate costs for Gemini 3 Pro/Flash Preview, 2.5 Pro, 2.5 Flash, and more
DALL-E & GPT Image
Calculate costs for GPT Image 1.5, GPT Image 1 Mini, DALL-E 3, and DALL-E 2
Whisper & TTS
GPT-4o Transcribe, GPT-4o Mini Transcribe, Whisper, TTS & TTS HD
Cohere
Calculate costs for Command A, R+, R, and R7B 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