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GeoLumen

Tool 07

What will the AI bill actually be?

Enter your typical request and volume. We price it on current models from OpenAI, Anthropic and Google, using list prices checked on 2026-10-19.

Repeated system prompts are often cacheable.

Rough English estimate.

Monthly cost at 500 requests/day · 30 days · standard tier · prices verified 2026-10-19
ModelPer requestPer month
GPT-5 nano OpenAI$0.00024
$3.53
GPT-6 Luna OpenAI$0.00035
$5.25
Claude Haiku 5.5 AnthropicPrompts up to 100K tokens; $0.50 / $2.50 above.$0.00035
$5.25
GPT-5 mini OpenAI$0.0012
$17.63
Gemini 2.5 Flash Google$0.0014
$21.75
Gemini 2.5 Pro GooglePrompts up to 200K tokens; $2.50 / $15 above.$0.0059
$88.13
GPT-6.1 Sol OpenAI$0.0070
$105
Claude Sonnet 5.5 Anthropic$0.0070
$105
Claude Opus 5.5 Anthropic$0.01
$210
GPT-6 Astra OpenAI$0.04
$525
Claude Fable 5.1 Anthropic$0.04
$525

Sources: OpenAI pricing, Anthropic pricing, Gemini API pricing, checked 2026-10-19. List prices only; excludes batch discounts, long-context surcharges, reasoning tokens counted as output, taxes and tool fees. Check the provider before you budget.

Method

Cost per request = input tokens × input price + output tokens × output price, with the cached share of input billed at the provider's cache-read rate. Monthly = per request × requests per day × 30.

Sources

Standard tier, short-context rates in USD per million tokens, last checked 2026-10-19.

FAQ

Questions

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