Claude API Pricing Calculator

Estimate your monthly API costs based on your expected usage

Model

Input Tokens per Day

Roughly 250,000 words

Output Tokens per Day

Roughly 125,000 words

Use Batch API (50% discount)

Enable Prompt Caching

Estimated Costs

Input cost (per day)$5.0000

Output cost (per day)$12.5000

Daily total$17.5000

Monthly estimate$525.00

Cost Breakdown

Input

$5.000

Output

$12.500

Note: These are estimates based on current published pricing. Actual costs may vary. Batch API pricing applies a 50% discount with a 24-hour turnaround. Prompt caching reduces repeated input costs by up to 90%.

Selected: Claude Opus 4.5 — High-capability reasoning model with same pricing as Opus 4.6

vs GPT-4o Monthly Cost

Claude (Claude Opus 4.5)$525.00/mo

OpenAI GPT-4o$225.00/mo

Difference+$300.00/mo (GPT-4o cheaper)

Claude

GPT-4o

GPT-4o pricing: $2.5/1M input, $10/1M output tokens. Comparison uses same daily token volumes.