App cost calculator
What will your app cost to run?
Enter your app type and usage to see the exact monthly AI API cost across all major models.
App cost calculator
App type
Monthly active users
Messages per day
5/dayFor Customer Chatbot with 1,000 users at 5 messages/day the cheapest option is GPT-6 Luna at $5.83/month.
GPT-6 Luna
Best valueOpenAI
$5.83
monthly
$69.98
annual
$5.83
per 1k users
GPT-4o Mini
OpenAI
$7.29
monthly
$87.48
annual
$7.29
per 1k users
Claude Haiku 5.5
Anthropic
$8.34
monthly
$100.08
annual
$8.34
per 1k users
GPT-5.6 Luna
OpenAI
$13.61
monthly
$163.30
annual
$13.61
per 1k users
DeepSeek V4.1 Flash
DeepSeek
$14.87
monthly
$178.46
annual
$14.87
per 1k users
Gemini 3.1 Flash-Lite
$16.50
monthly
$198.00
annual
$16.50
per 1k users
Gemini 3.8 Flash
$42.43
monthly
$509.13
annual
$42.43
per 1k users
DeepSeek V4 Pro
DeepSeek
$52.35
monthly
$628.18
annual
$52.35
per 1k users
Claude Haiku 4.5
Anthropic
$64.15
monthly
$769.82
annual
$64.15
per 1k users
Grok 4.5
xAI
$77.76
monthly
$933.12
annual
$77.76
per 1k users
Grok 4.7
xAI
$77.76
monthly
$933.12
annual
$77.76
per 1k users
GPT-4.1
OpenAI
$97.20
monthly
$1.2K
annual
$97.20
per 1k users
GPT-6 Sol
OpenAI
$116.64
monthly
$1.4K
annual
$116.64
per 1k users
GPT-6.1 Sol
OpenAI
$116.64
monthly
$1.4K
annual
$116.64
per 1k users
GPT-4o
OpenAI
$121.50
monthly
$1.5K
annual
$121.50
per 1k users
Gemini 3.1 Pro
$132.00
monthly
$1.6K
annual
$132.00
per 1k users
GPT-5.6 Terra
OpenAI
$136.08
monthly
$1.6K
annual
$136.08
per 1k users
GPT-5.2
OpenAI
$153.09
monthly
$1.8K
annual
$153.09
per 1k users
Claude Sonnet 5
Anthropic
$166.80
monthly
$2.0K
annual
$166.80
per 1k users
Claude Sonnet 5.5
Anthropic
$166.80
monthly
$2.0K
annual
$166.80
per 1k users
Claude Sonnet 4.6
Anthropic
$192.46
monthly
$2.3K
annual
$192.46
per 1k users
GPT-5.6 Sol
OpenAI
$233.28
monthly
$2.8K
annual
$233.28
per 1k users
Claude Opus 4.6
Anthropic
$320.76
monthly
$3.8K
annual
$320.76
per 1k users
Claude Opus 5.5
Anthropic
$333.59
monthly
$4.0K
annual
$333.59
per 1k users
Claude Opus 5
Anthropic
$416.99
monthly
$5.0K
annual
$416.99
per 1k users
Claude Opus 4.8
Anthropic
$416.99
monthly
$5.0K
annual
$416.99
per 1k users
GPT-6 Astra
OpenAI
$583.20
monthly
$7.0K
annual
$583.20
per 1k users
Claude Fable 5
Anthropic
$833.98
monthly
$10.0K
annual
$833.98
per 1k users
Claude Fable 5.1
Anthropic
$833.98
monthly
$10.0K
annual
$833.98
per 1k users
Tap a model to see full cost breakdown. Monthly cost shown on right.