Anthropicefficient
Claude Sonnet 4
Best balance of intelligence and speed. Ideal for agentic workflows, coding, and data analysis.
Input tokens
$3.00
per 1M tokens
Cached: $0.300/1M
Output tokens
$15.00
per 1M tokens
5.0× input price
Context window
200K
tokens
≈ 150K words
Key Features
200K context
Vision
Extended thinking
Tool use
Batch API
Multimodal (Vision)
Extended reasoning / chain-of-thought
Estimated Monthly Cost
Startup chatbot
100K in + 50K out /day
$31.50/mo
Mid-scale app
1000K in + 300K out /day
$225.00/mo
Enterprise
10000K in + 3000K out /day
$2250.00/mo
Want to calculate your exact monthly cost?
Open Cost Calculator →