Claude Opus 5.5 API pricing (Anthropic)
$4.0 input / $20.0 output per 1M tokens. Context —; our tier 4; verified; last checked 2026-10-13.
| Input $/1M | Output $/1M | Context | Tier | Verified | Checked |
|---|---|---|---|---|---|
| $4.0 | $20.0 | — | 4 | verified | 2026-10-13 |
Official source: https://www.anthropic.com/pricing. Provider page: Anthropic API pricing.
Example monthly bills by job
| Job | Example volume | This model |
|---|---|---|
| Simple Q&A / chat | 10M in / 2M out | $80.00 |
| Coding | 20M in / 5M out | $180.00 |
| Long documents | 100M in / 2M out | Does not qualify (needs tier ≥2, context ≥500,000) |
| Hard reasoning | 10M in / 10M out | $240.00 |
Cost only, not quality. “Tier” is our rough capability judgment (1 = light, 4 = frontier), not a benchmark. Standard pay-as-you-go text prices only.
Related head-to-head comparisons
See every model on the full price table, all models, or see what you'd save switching from Claude Opus 5.5 in the savings calculator.