THE TICKER · ANTHROPIC · CHECKED DAILY · LAST CHANGE 2026-10-13
CLAUDE OPUS 5.5 API PRICING
What Anthropic charges for Claude Opus 5.5, in USD, cross-checked daily against the public pricing dataset. Effective price — if there's a promo running, this is the promo.
NOTE: Undercuts the Opus 5 it succeeds by 20% on both sides. Cache reads fall further, $0.50 to $0.20/MTok, on a new 0.05x multiplier.
WHAT THINGS ACTUALLY COST ON CLAUDE OPUS 5.5
| Scenario | Tokens in / out | 1 run | 1,000 runs |
|---|---|---|---|
| A typical prompt (300 tokens in) | 300 / ~900 | $0.02 | $19.20 |
| A 20-turn conversation (context re-sent) | 4,000 / ~4,000 | $0.10 | $96.00 |
| Summarizing a 10-page document | 8,000 / ~3,200 | $0.10 | $96.00 |
| One agent run (tools, retries, thinking) | 2,000 / ~12,000 | $0.25 | $248.00 |
| A code review request | 1,500 / ~3,750 | $0.08 | $81.00 |
Output sizes assume the same editorial ratios as the Burn Calculator (3x for prompts, 6x for agent runs). Estimates, not invoices.
VS. THE REST OF THE BOARD
“Same job” = a 1,000-token prompt with a 3,000-token reply, priced on both models. Cheaper is not always better. It is, however, always cheaper.
PRICE HISTORY
Claude Opus 5.5 joins the board at $4.00 in / $20.00 out per MTok — the first cut inside the Opus line: 20% below the Opus 5 it succeeds, with cache reads down to $0.20/MTok.
Source: platform.claude.com/docs/en/about-claude/pricing · price last confirmed against the daily source on 2026-10-14. The full changelog lives at /pricing/changes.
NOW FIND OUT HOW MUCH OF THAT IS WASTE
Claude Opus 5.5's price is fixed. Your token count isn't. Paste a real prompt into the Burn Calculator and see what it costs on Claude Opus 5.5 — and how much a leaner version would save at 1,000 runs. Or pull the whole board from the ticker.