Claude Opus 5.5 pricing

Claude Opus 5.5 costs $4.00 per 1M input tokens and $20.00 per 1M output tokens as of October 2026. Tracked daily since 29 September 2026 across 27 snapshots.

Current rates

  • Input: $4.00 per 1M tokens
  • Output: $20.00 per 1M tokens
  • Cached input: $0.20 per 1M tokens
  • Context window: 1,000,000 tokens

No price movement recorded for Claude Opus 5.5 over the tracked period — the rate has held steady.

Cheaper alternatives to Claude Opus 5.5

Ranked by blended cost assuming a 3:1 input-to-output ratio, which is typical of chat and agent workloads. Only currently callable models with a comparable context window are listed.

ModelInput / 1MOutput / 1MCheaper by
Claude Sonnet 4.6$3.00$15.0025%
Kimi K3$3.00$15.0025%
GPT-5.4$2.50$15.0030%
Gemini 3.1 Pro$2.00$12.0044%
Grok 4.7$2.00$6.0062%
Cite this data

Free to reuse under CC BY 4.0 with a link back.

Text

YemHub (2026). Claude Opus 5.5 API pricing history. YemHub AI Pricing Index. Retrieved 26 October 2026, from https://yemhub.com/price-history/claude-opus-5-5/

BibTeX

@misc{yemhub2026claudeopus55apipricinghistory,
  author = {{YemHub}},
  title = {Claude Opus 5.5 API pricing history},
  year = {2026},
  howpublished = {\url{https://yemhub.com/price-history/claude-opus-5-5/}},
  note = {YemHub AI Pricing Index, accessed 2026-10-26}
}

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