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AI API Cost Calculator

Calculate the exact cost of AI API calls across major providers.

Last updated: March 2026

Configuration
Cost Breakdown
MetricValue
Input tokens1,000
Output tokens500
Input price$2/MTok
Output price$10/MTok
Raw APIWith 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
ModelProviderInput $/MTokOutput $/MTokCost/RequestMonthly
Claude Haiku 5.5Anthropic$0.1$0.5$0.000350$0.10
Claude Sonnet 5.5Anthropic$2$10$0.0070$2.10
Claude Opus 5.5Anthropic$4$20$0.01$4.20
GPT-4oOpenAI$2.5$10$0.0075$2.25
GPT-4.5OpenAI$75$150$0.15$45.00
Gemini 2.5 ProGoogle$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.

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