Claude Opus 4 Pricing
$15 per 1M input and $75 per 1M output. Free tier: No free tier (API usage billed).
Cost Calculator
Estimated cost:
Full Pricing Matrix
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| Tier | Input | Output | Unit | Cache Read |
|---|---|---|---|---|
| standard | $15 | $75 | /1M tok | $1.5 |
| batch | $7.5 | $37.5 | /1M tok | — |
Price History
2026-10-26
Medium-priority models + comparison pages expansion
2026-09-24
LLMPrices.org launched
2026-09-24
Anthropic lineup completed (+9 models)
2026-09-24
Opus 4.5–4.8 repriced: $15/$75 → $5/$25 (-67%)
-67%
About Claude Opus 4
Previous-generation Claude flagship, still available at premium pricing.
- Cache write price: $18.75 per 1M tokens
- 3x the price of Opus 5 per token
Frequently Asked Questions
How much does Claude Opus 4 cost?
$15 per 1M input tokens and $75 per 1M output tokens.