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 July 24, 2026 from official sources
How much do you use AI?
Your costs update live below as you drag.
Your monthly cost at 30 messages/day
DeepSeek V4 Flash
CheapestDeepSeek
DeepSeek V4 Pro
DeepSeek
GPT-5.4 Nano
OpenAI
Gemini 3.1 Flash-Lite
Gemini 3 Flash Preview
Kimi K2.6
Moonshot AI
Kimi K2.7-Code
Moonshot AI
GPT-5.4 Mini
OpenAI
Claude Haiku 4.5
Anthropic
GPT-5.6 Luna
OpenAI
Gemini 3.6 Flash
Gemini 3.5 Flash
Claude Sonnet 5 (intro until Aug 31)
Anthropic
Gemini 3.1 Pro
GPT-5.6 Terra
OpenAI
GPT-5.4
OpenAI
Kimi K3
Moonshot AI
Claude Opus 5
Anthropic
Claude Opus 4.8
Anthropic
GPT-5.6 Sol
OpenAI
GPT-5.5
OpenAI
Claude Fable 5
Anthropic
GPT-5.5 Pro
OpenAI
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.
AI pricing changes constantly
We track price changes and write honest comparisons. Get updates in your inbox.
Full pricing reference (checked July 24, 2026)
| Model | Input/M tokens | Output/M tokens | Subscription |
|---|---|---|---|
Claude Fable 5 | $10 | $50 | Max (5x $100, 20x $200) |
Claude Opus 5 | $5 | $25 | Pro ($20/mo), default on Max |
Claude Opus 4.8 | $5 | $25 | Max (5x $100, 20x $200) |
Claude Sonnet 5 (intro until Aug 31) | $2 | $10 | Pro ($20/mo) |
Claude Haiku 4.5 | $1 | $5 | Pro ($20/mo) |
GPT-5.6 Sol | $5 | $30 | Plus ($20/mo) |
GPT-5.6 Terra | $2.5 | $15 | API only |
GPT-5.6 Luna | $1 | $6 | API only |
GPT-5.5 | $5 | $30 | Plus/Pro (availability varies) |
GPT-5.4 | $2.5 | $15 | Plus ($20/mo) |
GPT-5.5 Pro | $30 | $180 | Pro ($200/mo) |
GPT-5.4 Mini | $0.75 | $4.5 | Plus ($20/mo) |
GPT-5.4 Nano | $0.2 | $1.25 | API only |
Gemini 3.6 Flash | $1.5 | $7.5 | Free in Gemini app |
Gemini 3 Flash Preview | $0.5 | $3 | AI Pro/Ultra access varies |
Gemini 3.1 Pro | $2 | $12 | AI Pro ($20/mo) |
Gemini 3.1 Flash-Lite | $0.25 | $1.5 | AI Pro ($20/mo) |
Gemini 3.5 Flash | $1.5 | $9 | AI Pro ($20/mo) |
DeepSeek V4 Flash | $0.14 | $0.28 | No subscription |
DeepSeek V4 Pro | $0.435 | $0.87 | No subscription |
Kimi K3 | $3 | $15 | Free on kimi.com (rate limits) |
Kimi K2.6 | $0.95 | $4 | Moderato ($19/mo) |
Kimi K2.7-Code | $0.95 | $4 | Kimi 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. Claude Sonnet 5 shows Anthropic's introductory price ($2 input / $10 output), in effect through August 31, 2026; the standard price of $3 / $15 applies from September 1, 2026.