Providers / Anthropic / Claude Opus 5
Claude Opus 5 API Cost Calculator
Claude Opus 5 costs $5 per 1M input tokens and $25 per 1M output tokens at official Anthropic API prices, verified 2026-10-25. Estimate your own usage below — the calculator is preset to this model.
Calculate your Claude Opus 5 cost →Paste text to count tokens instead
Cost per call
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Estimated monthly cost
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Official price vs gateway price
| Where | Input / 1M | Output / 1M |
|---|---|---|
| Official API | $5 | $25 |
Claude Opus 5 is priced above at the official list rate. We have not found a gateway that sells it cheaper with a verifiable public price, so no gateway row is shown — we never estimate one.
Using open-weight models instead (DeepSeek, Qwen, Llama, gpt-oss)? See our Novita AI gateway prices, or go toNovita AI (affiliate).Disclosure.
Anthropic lists Claude Opus 5 as a legacy model (still available). Claude Opus 5.5 is the current Opus.
Claude Opus 5 price facts
| Input | $5 per 1M tokens |
|---|---|
| Output | $25 per 1M tokens |
| Cached input | $0.5 per 1M tokens |
| Batch tier | $2.5 in / $12.5 out per 1M tokens |
| Context window | 1,000,000 tokens |
| Released | — |
| Price verified | 2026-10-25 · source |
What Claude Opus 5 costs in practice
| Workload | Per call | Per month |
|---|---|---|
| Chat assistant 2,000 input / 500 output tokens per call, 10,000 calls a month | $0.0225 | $225.00 |
| Document processing 50,000 input / 2,000 output tokens per call, 1,000 calls a month | $0.3 | $300.00 |
| Agent loop with prompt caching 10,000 fresh input / 100,000 cached input / 2,000 output tokens per call, 500 calls a month | $0.15 | $75.00 |
Frequently asked questions
How much does Claude Opus 5 cost per month?
It depends entirely on token volume. As worked examples: a chat assistant doing 10,000 calls a month costs $225.00, while a document pipeline doing 1,000 long calls costs $300.00. Use the calculator on this page with your own numbers for an exact figure. Prices are official rates verified 2026-10-25.
Is Claude Opus 5 cheaper than Claude Haiku 5.5?
At a blended workload of 1M input and 250K output tokens, Claude Opus 5 costs $11.25 and Claude Haiku 5.5 costs $0.225 — so Claude Haiku 5.5 is cheaper at this mix. The answer can flip if your workload is mostly output or mostly cached input.
Does Claude Opus 5 have batch or caching discounts?
Yes — batch processing is $2.5 / $12.5 per 1M tokens. Cached input is billed at $0.5 per 1M tokens. Prices verified 2026-10-25. We do not invent unpublished rates.
Are these official prices or gateway prices?
Claude Opus 5 on this page uses official Anthropic API prices from the provider's public pricing page. Gateway reseller rates, when shown elsewhere on the site, are labeled separately.
Related
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Closest in cost for 1M input + 250K output tokens (standard tier), listed by price.
- Kimi K3 — $3 / $15 per 1M tokens ($6.75 for that workload)
- GPT-5.6 Sol — $4 / $20 per 1M tokens ($9.00 for that workload)
- Kimi K3.1 Pro Highspeed — $4 / $20 per 1M tokens ($9.00 for that workload)
- chat-latest (ChatGPT Instant) — $5 / $30 per 1M tokens ($12.50 for that workload)