AI API Cost Calculator
Calculate the exact cost of AI API calls across major providers.
Last updated: March 2026
Configuration
Cost Breakdown
| Metric | Value |
|---|---|
| Input tokens | 1,000 |
| Output tokens | 500 |
| Input price | $2/MTok |
| Output price | $10/MTok |
| Raw API | With Prophet | |
|---|---|---|
| Per request | $0.0070 | $0.01 |
| Monthly (10/day) | $2.10 | $3.00 |
Prophet vs Claude Pro Subscription
With Prophet
$3.00/mo
Pay only for what you use
Claude Pro Subscription
$20.00/mo
Fixed monthly fee with usage limits
At your current usage, Prophet saves you $17.00/mo compared to a Claude Pro subscription.
All Models: Cost per Request
| Model | Provider | Input $/MTok | Output $/MTok | Cost/Request | Monthly |
|---|---|---|---|---|---|
| Claude Haiku 5.5 | Anthropic | $0.1 | $0.5 | $0.000350 | $0.10 |
| Claude Sonnet 5.5 | Anthropic | $2 | $10 | $0.0070 | $2.10 |
| Claude Opus 5.5 | Anthropic | $4 | $20 | $0.01 | $4.20 |
| GPT-4o | OpenAI | $2.5 | $10 | $0.0075 | $2.25 |
| GPT-4.5 | OpenAI | $75 | $150 | $0.15 | $45.00 |
| Gemini 2.5 Pro | $1.25 | $10 | $0.0063 | $1.88 |
Raw API list prices, before any Prophet charge. Based on 1,000 input + 500 output tokens per request, 10 requests/day. Claude Haiku 5.5 rates apply to prompts up to 100K tokens; longer prompts bill at $0.50 / $2.50 per MTok.
Start using these models in your browser with Prophet
Access Claude Haiku, Sonnet, and Opus directly in your browser side panel. Free plan included.
Add to Chrome