Claude Opus 4.5 pricing
Claude Opus 4.5 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens as of October 2026. Tracked daily since 25 July 2026 across 94 snapshots.
Current rates
- Input: $5.00 per 1M tokens
- Output: $25.00 per 1M tokens
- Cached input: $0.50 per 1M tokens
- Context window: 1,000,000 tokens
No price movement recorded for Claude Opus 4.5 over the tracked period — the rate has held steady.
Cheaper alternatives to Claude Opus 4.5
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.
| Model | Input / 1M | Output / 1M | Cheaper by |
|---|---|---|---|
| Claude Opus 5.5 | $4.00 | $20.00 | 20% |
| GPT-5.6 Sol | $4.00 | $20.00 | 20% |
| Kimi K3 | $3.00 | $15.00 | 40% |
| Gemini 3.1 Pro | $2.00 | $12.00 | 55% |
| Grok 4.7 | $2.00 | $6.00 | 70% |
Cite this data
Free to reuse under CC BY 4.0 with a link back.
Text
YemHub (2026). Claude Opus 4.5 API pricing history. YemHub AI Pricing Index. Retrieved 26 October 2026, from https://yemhub.com/price-history/claude-opus-4-5/
BibTeX
@misc{yemhub2026claudeopus45apipricinghistory,
author = {{YemHub}},
title = {Claude Opus 4.5 API pricing history},
year = {2026},
howpublished = {\url{https://yemhub.com/price-history/claude-opus-4-5/}},
note = {YemHub AI Pricing Index, accessed 2026-10-26}
}