Paste or type your text below to instantly count tokens and get detailed statistics.
Count tokens and estimate costs in seconds with our free tools
Enter any text, prompt, code snippet, or document into the calculator
Choose from GPT-5, Claude 4.5, Gemini 3, Llama, Mistral, and more
See token count, estimated cost, and detailed breakdown in real-time
Accurate token counting for all major AI providers and models
| Provider | Models | Context Window |
|---|---|---|
| OpenAI | GPT-5.2GPT-5.2 ProGPT-5 miniGPT-4.1GPT-4.1 miniGPT-4.1 nanoo4-mini | Up to 400K |
| Anthropic | Claude Opus 4.5Claude Sonnet 4.5Claude Opus 4Claude Sonnet 4Claude Haiku 3.5 | 200K (1M beta) |
Gemini 3 ProGemini 3 FlashGemini 2.5 ProGemini 2.5 FlashGemini 2.0 Flash | Up to 2M | |
| Meta | Llama 3.3 70BLlama 3.2 90BLlama 3.1 405BLlama 3.1 70BLlama 3.1 8B | Up to 128K |
| Mistral | Mistral LargeMistral MediumMistral SmallCodestralPixtral | Up to 128K |
Learn about tokens, pricing, and AI development
Anthropic launched Project Glasswing with Apple, Google, Microsoft, and 40+ organizations. Claude Mythos Preview found thousands of zero-day vulnerabilities — including a 27-year-old OpenBSD bug. Here's what it means.
Anthropic accidentally shipped Claude Code's full source in an npm package. Inside: KAIROS daemon mode, undercover mode, frustration detection, fake tools, a Tamagotchi companion, and 44 feature flags.
GEO and SEO target fundamentally different systems. This comparison covers what changed, what still works, and how to optimize for both AI search and traditional rankings.
Common questions about AI tokens, pricing, and our tools
AI Tools Kit provides essential utilities for developers and content creators working with large language models like GPT-5, Claude 4.5, Gemini 3, and other AI systems. Our token calculator helps you understand exactly how your text will be processed by AI models, enabling you to optimize prompts and reduce API costs.
Accurately count tokens before sending requests to OpenAI, Anthropic, or other AI providers. Understand how tokenization works and see exactly how your text breaks down into tokens. Support for multiple models including GPT-5, GPT-4.1, Claude 4.5, and more.
Token Optimized Object Notation (TOON) reduces your JSON payload size by up to 50%, saving tokens and reducing API costs. Convert between JSON and TOON formats instantly with our free converter tool.
Browse our curated collection of effective prompts for writing, coding, business, education, and creative tasks. Copy and customize prompts to get better results from AI models.