LLM Cost Calculator
Stop overpaying for AI. Estimate your monthly API costs for GPT-4, Claude 3.5, and Gemini in seconds. Compare models side-by-side and find the perfect balance for your budget.
1. Configuration
2. Estimated Cost
Total Per Call $0.0000
Daily $0.00
Monthly (30d) $0.00
Yearly (365d) $0.00
* Prices are based on current market rates. Estimates only.
Last updated: Mar 2026
3. Market Comparison
| Model | Input (1M) | Output (1M) | Example Cost* |
|---|---|---|---|
| GPT-4o OpenAI | $2.50 | $10.00 | $0.0125 |
| GPT-4o mini OpenAI | $0.15 | $0.60 | $0.0007 |
| GPT-4.1 OpenAI | $2.00 | $8.00 | $0.0100 |
| GPT-4.1 mini OpenAI | $0.40 | $1.60 | $0.0020 |
| GPT-4.1 nano OpenAI | $0.10 | $0.40 | $0.0005 |
| GPT-4.5 OpenAI | $75.00 | $150.00 | $0.2250 |
| GPT-5.4 OpenAI | $0.60 | $2.40 | $0.0030 |
| Claude 3.7 Sonnet Anthropic | $3.00 | $15.00 | $0.0180 |
| Claude 3.5 Sonnet Anthropic | $3.00 | $15.00 | $0.0180 |
| Claude 3.5 Haiku Anthropic | $0.25 | $1.25 | $0.0015 |
| Gemini 2.0 Flash | $0.10 | $0.40 | $0.0005 |
| Gemini 1.5 Pro | $1.25 | $5.00 | $0.0063 |
| Gemini 1.5 Flash | $0.07 | $0.30 | $0.0004 |
| DeepSeek-V3 DeepSeek | $0.14 | $0.28 | $0.0004 |
* Assumes 1K input + 1K output tokens per call.
Why LLM Cost Calculator?
The LLM Cost Calculator eliminates the guesswork from AI project planning. Accurately estimate your API costs for major models like GPT-4, Claude 3.5, and Gemini, helping you choose the right model for your budget.
Key Features
- 💰 Multi-Model Support: Compare costs across OpenAI, Anthropic, Google, and more.
- 📊 Real-Time Estimates: See daily, monthly, and yearly cost projections instantly.
- 🎛️ Granular Control: Adjust input/output tokens and request volume to match your specific use case.
- 📉 Budget Planning: Identify the most cost-effective model for your specific workload.
- 🔒 Private: Your usage data and estimates remain in your browser.
How to Use
- 🤖 Select Models: Choose the AI models you are considering.
- 📝 Input Usage: Enter your estimated input and output token counts.
- 📈 Set Volume: Define your expected number of requests per day or month.
- 💡 Compare: Instantly see a side-by-side cost comparison to make an informed decision.