💰 Free Tool
AI API Cost Calculator
Calculate your monthly AI API costs based on your expected request volume, input/output tokens, and chosen model. Compare GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and other models side by side to find the most cost-effective option for your use case.
Configuration
Context window: 128,000 tokens
Input: $2.5/1M tokens
Output: $10/1M tokens
Context usage: 2.0%
Estimated Monthly Cost
$100.00
$0.0100 per request
Cost Breakdown
Input tokens (20,000,000 total)$50.00
Output tokens (5,000,000 total)$50.00
Total$100.00
💰 Cheapest Models for This Usage
| Model | Monthly Cost | / Request |
|---|---|---|
| 🥇 GPT-4.1 nano | $4.00 | <$0.01 |
| 🥈 Gemini 2.0 Flash | $4.00 | <$0.01 |
| 🥉 GPT-4o mini | $6.00 | <$0.01 |
| DeepSeek Chat | $10.90 | <$0.01 |
| GPT-4.1 mini | $16.00 | <$0.01 |
💡 Tip: 1AIVault reduces API costs by keeping conversation history locally, so you send less repeated context with every request. This complements the calculator above — real savings depend on how much context you reuse.
Tired of managing AI context manually?
1AIVault auto-imports, classifies, and connects your AI conversations into one local-first vault. Stop copy-pasting and give your AI true persistent memory.
Discover 1AIVault