Token Counter & Cost Estimator
Calculate AI API costs before you build
Instantly calculate token counts and estimate costs for OpenAI, Claude, Mistral, and other AI models. Perfect for budgeting AI features, optimizing prompts, and comparing model costs.
Cost Transparency
Know costs upfront
Multi-Model
Compare all providers
Real-Time
Instant calculations
Estimate based on expected response length
Cost Calculation for GPT-4.1
Example Prompts
Compare Across Models
Token Tips
- • 1 token ≈ 4 characters in English
- • 1 token ≈ ¾ words
- • 100 tokens ≈ 75 words
Cost Factors
- • Input tokens (your prompt)
- • Output tokens (AI response)
- • Model selection matters!
Save Money
- • Use smaller models for testing
- • Optimize prompt length
- • Set max_tokens limits
Supported AI Models & Providers
OpenAI
- GPT-4.1
- GPT-4.1 mini
- GPT-4o
- GPT-4o mini
- GPT-3.5 Turbo
- o3-mini
- o1-mini
Anthropic
- Claude Sonnet 4
- Claude 3.5 Haiku
- Claude 3 Opus
- Claude 3 Sonnet
- Claude 3 Haiku
- Gemini 2.5 Pro
- Gemini 2.5 Flash
- Gemini 2.0 Flash
- Gemini 1.5 Pro
- Gemini 1.5 Flash
Mistral
- Mistral Large 2
- Mistral Medium 3
- Mistral Small
- Mistral Nemo
- Codestral
Perfect for Modern AI Builders
AI Development & Prompting
Calculate exact costs before making expensive API calls. Optimize prompts to stay within budget.
💡 Know if your prompt will cost $0.50 or $5.00 before you send it
Application Development
Budget AI features accurately by understanding token usage and costs across different models.
💡 Compare costs between GPT-4.1 and Claude for your use case
No-Code AI Integration
Understand AI costs when building automations with Zapier, Make, or custom webhooks.
💡 Calculate monthly costs for your AI-powered automation workflows
How Token Counting Works
Understanding Tokens
Tokens are the building blocks of AI language models. They're not exactly words - a token can be a word, part of a word, or even punctuation. Different models use different tokenization methods, affecting both count and cost.
Token Estimation Rules
- English text: ~1 token per 4 characters or 0.75 words
- Code: More tokens due to syntax and special characters
- Non-English: Can use 2-3x more tokens than English
- Context window: Each model has token limits
- Pricing: Input and output tokens priced differently
💡 Pro Tips for Cost Optimization
For AI Development:
- • Use smaller models for testing and development
- • Cache common responses to reduce API calls
- • Optimize prompts to use fewer tokens
- • Compare models - sometimes cheaper works better
For Production Apps:
- • Set token limits in your API calls
- • Monitor usage to prevent cost overruns
- • Use streaming for better user experience
- • Consider fine-tuning for repeated tasks
Why Accurate Token Counting Matters
For Budget Planning
AI API costs can quickly spiral out of control without proper planning. Our token counter helps you understand exactly what each API call will cost, allowing you to:
- • Set realistic budgets for AI features
- • Compare costs across different providers
- • Optimize prompts to reduce token usage
- • Estimate monthly costs for production apps
- • Avoid unexpected API bills
For Performance Optimization
Token count directly affects response time and cost. Understanding tokenization helps you build faster, more efficient AI applications:
- • Reduce latency with shorter prompts
- • Stay within model context limits
- • Choose the right model for your use case
- • Implement effective prompt engineering
- • Balance quality with cost efficiency
📊 Quick Model Comparison (July 2025 Prices)
| Model | Input (per 1K tokens) | Output (per 1K tokens) | Best For |
|---|---|---|---|
| GPT-4.1 | $0.0075 | $0.03 | Complex tasks, best value |
| GPT-3.5 Turbo | $0.0005 | $0.0015 | General use, fast responses |
| Claude Sonnet 4 | $0.003 | $0.015 | Balanced performance |
| Claude 3.5 Haiku | $0.00025 | $0.00125 | Fast, cost-effective |
| Gemini 2.5 Flash | $0.00007 | $0.0003 | Ultra low-cost, high volume |
| Mistral Medium 3 | $0.0004 | $0.002 | Great performance/price ratio |
* Prices accurate as of July 2025. Always check provider websites for current pricing and rate limits.