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AI Cost Calculator

Enter how much you use AI. See what every provider actually costs. API pricing and subscriptions compared side by side.

Pricing checked June 19, 2026 from official sources

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How much do you use AI?

5 (casual)50 (daily)100 (heavy)200 (power)
30 messages/day = ~0.5M input tokens + ~0.7M output tokens per month

Your costs update live below as you drag.

Your monthly cost at 30 messages/day

DeepSeek V4 Flash

Cheapest

DeepSeek

$0.26
API/month
$0.14/M input$0.28/M output

DeepSeek V4 Pro

DeepSeek

$0.82
API/month
$0.435/M input$0.87/M output

GPT-5.4 Nano

OpenAI

$0.99
API/month
$0.2/M input$1.25/M output

Gemini 3.1 Flash-Lite

Google

$1.19
API/month
$0.25/M input$1.5/M outputSub: AI Pro ($20/mo)

Gemini 3 Flash Preview

Google

$2.39
API/month
$0.5/M input$3/M outputSub: AI Pro/Ultra access varies

Kimi K2.6

Moonshot AI

$3.31
API/month
$0.95/M input$4/M outputSub: Moderato ($19/mo)

Kimi K2.7-Code

Moonshot AI

$3.31
API/month
$0.95/M input$4/M output

GPT-5.4 Mini

OpenAI

$3.58
API/month
$0.75/M input$4.5/M outputSub: Plus ($20/mo)

Claude Haiku 4.5

Anthropic

$4.05
API/month
$1/M input$5/M outputSub: Pro ($20/mo)

Gemini 3.5 Flash

Google

$7.15
API/month
$1.5/M input$9/M outputSub: AI Pro ($20/mo)

Gemini 3.1 Pro Preview

Google

$9.54
API/month
$2/M input$12/M outputSub: AI Pro ($20/mo)

GPT-5.4

OpenAI

$11.93
API/month
$2.5/M input$15/M outputSub: Plus ($20/mo)

Claude Sonnet 4.6

Anthropic

$12.15
API/month
$3/M input$15/M outputSub: Pro ($20/mo)

Claude Opus 4.8

Anthropic

$20.25
API/month
$5/M input$25/M outputSub: Max (5x $100, 20x $200)

GPT-5.5

OpenAI

$23.85
API/month
$5/M input$30/M outputSubscription cheaper: Plus/Pro (availability varies)
Subscription saves you $3.85/mo vs API pricing

GPT-5.5 Pro

OpenAI

$143.10
API/month
$30/M input$180/M outputSub: Pro ($200/mo)

Quick take

At 30 messages/day, DeepSeek V4 Flash is the cheapest API option at $0.26/mo. The most expensive option (GPT-5.5 Pro) would cost $143.10/mo for the same usage. That adds up fast.

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Full pricing reference (checked June 19, 2026)

ModelInput/M tokensOutput/M tokensSubscription
Claude Opus 4.8
$5$25Max (5x $100, 20x $200)
Claude Sonnet 4.6
$3$15Pro ($20/mo)
Claude Haiku 4.5
$1$5Pro ($20/mo)
GPT-5.5
$5$30Plus/Pro (availability varies)
GPT-5.4
$2.5$15Plus ($20/mo)
GPT-5.5 Pro
$30$180Pro ($200/mo)
GPT-5.4 Mini
$0.75$4.5Plus ($20/mo)
GPT-5.4 Nano
$0.2$1.25API only
Gemini 3 Flash Preview
$0.5$3AI Pro/Ultra access varies
Gemini 3.1 Pro Preview
$2$12AI Pro ($20/mo)
Gemini 3.1 Flash-Lite
$0.25$1.5AI Pro ($20/mo)
Gemini 3.5 Flash
$1.5$9AI Pro ($20/mo)
DeepSeek V4 Flash
$0.14$0.28No subscription
DeepSeek V4 Pro
$0.435$0.87No subscription
Kimi K2.6
$0.95$4Moderato ($19/mo)
Kimi K2.7-Code
$0.95$4Kimi plans from $19/mo

Prices from official provider documentation. Anthropic: platform.claude.com. OpenAI: developers.openai.com pricing and model pages. Google: ai.google.dev. DeepSeek: api-docs.deepseek.com. Moonshot/Kimi: platform.kimi.ai. DeepSeek input uses cache-miss pricing; cache-hit pricing can be lower.