AI Token Calculators Directory
Real-time token counting and cost estimation for 41 AI models
Featured Token Calculators
GPT-5.4 Token Calculator
Calculate tokens & API costs
GPT-5.4 Pro Token Calculator
Calculate tokens & API costs
GPT-5.4 mini Token Calculator
Calculate tokens & API costs
GPT-5.4 nano Token Calculator
Calculate tokens & API costs
Claude Opus 4.6 Token Calculator
Calculate tokens & API costs
Gemini 3 Pro Token Calculator
Calculate tokens & API costs
All Token Calculators by Provider
Anthropic Models
Claude Haiku 3.5 Token Calculator
200,000 context tokens
Claude Haiku 4.5 Token Calculator
200,000 context tokens
Claude Opus 4.1 (Legacy) Token Calculator
200,000 context tokens
Claude Opus 4.5 (Legacy) Token Calculator
200,000 context tokens
Claude Opus 4.6 Token Calculator
200,000 context tokens
Claude Sonnet 3.7 (Legacy) Token Calculator
200,000 context tokens
Claude Sonnet 4 Token Calculator
200,000 context tokens
Claude Sonnet 4.5 Token Calculator
200,000 context tokens
DeepSeek Models
Google Models
Gemini 2.0 Flash Token Calculator
1,000,000 context tokens
Gemini 2.0 Flash-Lite Token Calculator
1,000,000 context tokens
Gemini 2.5 Flash Token Calculator
1,000,000 context tokens
Gemini 2.5 Flash-Lite Token Calculator
1,000,000 context tokens
Gemini 2.5 Pro Token Calculator
200,000 context tokens
Gemini 3 Flash Token Calculator
1,000,000 context tokens
Gemini 3 Pro Preview Token Calculator
2,000,000 context tokens
OpenAI Models
GPT-4.1 Token Calculator
128,000 context tokens
GPT-4.1 mini Token Calculator
128,000 context tokens
GPT-4.1 nano Token Calculator
128,000 context tokens
GPT-4o Token Calculator
128,000 context tokens
GPT-4o (fine-tuned) Token Calculator
128,000 context tokens
GPT-4o mini Token Calculator
128,000 context tokens
GPT-5 Token Calculator
200,000 context tokens
GPT-5 mini Token Calculator
200,000 context tokens
GPT-5 nano Token Calculator
200,000 context tokens
GPT-5.1 Token Calculator
200,000 context tokens
GPT-5.1 mini Token Calculator
200,000 context tokens
GPT-5.1 nano Token Calculator
200,000 context tokens
GPT-5.2 Token Calculator
400,000 context tokens
GPT-5.2 Pro Token Calculator
400,000 context tokens
GPT-5.4 Token Calculator
1,050,000 context tokens
GPT-5.4 mini Token Calculator
400,000 context tokens
GPT-5.4 nano Token Calculator
400,000 context tokens
GPT-5.4 Pro Token Calculator
1,050,000 context tokens
o3 Token Calculator
200,000 context tokens
o3-pro Token Calculator
200,000 context tokens
o4-mini Token Calculator
200,000 context tokens
After the calculator
Turn one calculator visit into a pricing decision
Calculator pages are great for estimation. The next best action is usually to compare two candidates or open the pricing hub for a broader shortlist.
Open the pricing hub
Check headline token pricing, 100K cost routes, and the fastest paths into the highest-intent model pages.
Go to /pricing →Compare two models side by side
Use compare pages when two models look close on calculator output and you need a faster buy-or-skip answer.
Browse compare pages →Need image generation costs?
Branch into the image pricing calculator when the workload is visual generation instead of text-heavy prompting.
Open image pricing →Related Tools & Resources
About Our Token Calculators
Our comprehensive collection of AI token calculators provides accurate, real-time token counting and cost estimation for all major language models. Whether you're using GPT-5.4, GPT-5.4 Pro, GPT-4.1, Claude Opus 4.6, Gemini 3 Pro, or any other model, our calculators help you understand and optimize your API costs. Each calculator uses the official tokenizer for its respective model, ensuring precise token counts and cost projections. Perfect for developers, businesses, and researchers working with AI APIs.