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Fast, private calculators for people who build with AI.
Free browser-based tools for AI and dev work. Everything runs on your device. Nothing you enter is uploaded.
AI
Token Counter
Exact token counts for OpenAI models, clearly labeled estimates for Claude, Gemini, Llama, Mistral, DeepSeek and Grok.
AI Token Cost Calculator
Estimate API cost for OpenAI, Anthropic, Google, Llama, Mistral, DeepSeek and Grok, by token count or pasted text.
OpenAI API Pricing Calculator
ChatGPT/GPT API cost by model, GPT-5.5, GPT-5.4, mini/nano, and GPT-4.1.
Claude API Pricing Calculator
Anthropic Claude API cost by model, Fable 5, Opus 4.8, Sonnet 5, and Haiku 4.5.
Gemini API Pricing Calculator
Google Gemini API cost by model, 3.1 Pro, 3.5 Flash, and both Flash-Lite tiers.
Llama API Pricing Calculator
Meta Llama API cost for Maverick and Scout, including host-dependent pricing variance.
Mistral API Pricing Calculator
Mistral API cost by model, Mistral Large 3, Mistral Small 4, and Codestral.
DeepSeek API Pricing Calculator
DeepSeek API cost, one of the lowest-cost model providers on the market.
Grok API Pricing Calculator
xAI Grok API cost by model, Grok 4.5, Grok 4.3, and Grok 4.1 Fast.