Anthropic · Current

Claude Opus 5.5 API pricing & cost

Claude Opus 5.5 API pricing, prompt-cache rates, context limits and cost calculators.

Calculate my workload →Official source ↗

Current rates

Pricing snapshot

Static catalog entry updated November 9, 2026; live provider registry data replaces matching rates on load when available.

Input / 1M tokens$4

Output / 1M tokens$20

Cached input / 1M$0.2

Context window1M tokens

Model facts

Pricing rules and quick cost example

What is tracked

Released September 22, 2026.
1M context window and 128K max output.
5-minute cache write: $5/MTok; 1-hour cache write: $8/MTok.
Batch API is 50% off base input and output rates.

2K input + 500 output tokens

At current standard text-token rates, one request is about $0.0180; 1,000 requests ≈ $18.00, before tool fees, regional uplifts or special processing modes.

Use your workload

Turn Claude Opus 5.5 pricing into unit economics

Cost per userEstimate AI COGS per active customer →Agent costModel multi-step tasks and retries →Caching savingsModel repeated-context savings →