Anthropic API Pricing Guide 2026: Claude Costs Explained

Anthropic Claude Model Lineup (April 2026) Model Input (per 1M) Output (per 1M) Context Best For Claude Haiku 3.5 $0.80 $4.00 200K High-volume, cost-sensitive Claude Sonnet 4 $3.00 $15.00 200K General production use Claude Opus 4.6 $5.00 $25.00 200K Complex reasoning, analysis Prices approximate. Check Anthropic's pricing page for current rates. Last updated April 2026. Monthly Cost Estimates To put these per-token prices in practical terms, here are monthly cost estimates for different usage levels. These assume an average of 1,000 input tokens and 500 output tokens per request.