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Claude · Anthropic
Claude Opus 5.
Claude Opus 5 is an Anthropic model, listed on 24 July 2026. It takes text, images and files and returns text, with a 1 million-token context window.
- Hosted API
- 1M context
Specification
- Provider
- Anthropic
- Family
- Claude
- Listed
- 24 July 2026
- Catalogue id
- anthropic/claude-opus-5
- Context window
- 1 million tokens
- Maximum output
- 128,000 tokens
- Inputs and output
- Text, images and files in; text out
- Capabilities
- Tool calling, structured outputs and adjustable reasoning
- Weights
- Not published — hosted API
- Listed price
- $5.00 input, $25.00 output, $0.500 cached input per million tokens
Provider-published specifications as of 30 October 2026, not figures we measured. Model families move quickly — check the provider's own documentation before committing to a number.
Source: Claude Opus 5 in the OpenRouter catalogue, checked weekly. Confirm current terms in Anthropic's own documentation before you commit.
What it costs
Price the whole answer.
Illustrative calculation at listed rates: a batch of 10 million input tokens and 1 million output tokens costs $75.00 on Claude Opus 5. A thousand requests of 2,000 input and 500 output tokens each costs $22.50. Calculation: input millions × input rate + output millions × output rate; it excludes reasoning tokens, retries, tools, tax and review time.
Compare cost per accepted result, not per token: replay the same work on two or three candidates and count the answers you would actually ship. Our model-routing approach sends each request to the cheapest model that passes.
THE REST OF THE FAMILY
Other Claude models.
Every Claude model in the catalogue. Our Claude page covers where the family fits and how we evaluate it.
| Claude Opus 5 | 24 Jul 2026 | — | — | 1M | $5.00 | $25.00 |
|---|---|---|---|---|---|---|
| Claude Haiku 5.5 | 7 Oct 2026 | 36.2 | 235 | 1M | $0.100 | $0.500 |
| Claude Sonnet 5.5 | 28 Sep 2026 | 54.2 | 135 | 1M | $2.00 | $10.00 |
| Claude Opus 5.5 | 22 Sep 2026 | 58.4 | 98 | 1M | $4.00 | $20.00 |
| Claude Fable 5.1 | 1 Sep 2026 | 49.0 | 72 | 1M | $10.00 | $50.00 |
| Claude Sonnet 5 | 30 Jun 2026 | — | — | 1M | $2.00 | $10.00 |
| Claude Fable 5 | 9 Jun 2026 | — | — | 1M | $10.00 | $50.00 |
| Claude Opus 4.8 | 28 May 2026 | — | — | 1M | $5.00 | $25.00 |
| Claude Opus 4.7 | 16 Apr 2026 | — | — | 1M | $5.00 | $25.00 |
| Claude Sonnet 4.6 | 17 Feb 2026 | — | — | 1M | $3.00 | $15.00 |
| Claude Opus 4.6 | 5 Feb 2026 | — | — | 1M | $5.00 | $25.00 |
| Claude Opus 4.5 | 24 Nov 2025 | — | — | 200k | $5.00 | $25.00 |
| Claude Haiku 4.5 | 15 Oct 2025 | — | — | 200k | $1.00 | $5.00 |
| Claude Sonnet 4.5 | 29 Sep 2025 | — | — | 1M | $3.00 | $15.00 |
| Claude Opus 4.1 | 5 Aug 2025 | — | — | 200k | $15.00 | $75.00 |
Intelligence and coding: Artificial Analysis indices at the model's best reasoning setting, and its measured output speed. Context and prices: the OpenRouter catalogue list price in USD per million tokens. Released: the provider's date where Artificial Analysis records one, otherwise the date the catalogue first listed it. Refreshed weekly; not measured by QQuantum.ai. Select a heading to sort.
Questions
Questions about Claude Opus 5.
When was Claude Opus 5 listed?
Claude Opus 5 was listed on 24 July 2026 in the OpenRouter catalogue; the provider's own announcement may predate it.
What is the context window of Claude Opus 5?
1 million tokens, with up to 128,000 output tokens per response, as listed in the OpenRouter catalogue on 30 October 2026. A long window is not the same as reliable recall across it; evaluate retrieval on your own documents.
How much does Claude Opus 5 cost?
The catalogue lists $5.00 per million input tokens and $25.00 per million output tokens, and $0.500 per million cached input tokens (checked 30 October 2026). Anthropic's own rates, batch discounts and cloud marketplaces can differ.
Can Claude Opus 5 run on our own hardware?
The catalogue lists no published weights for it, so it is used as a hosted API. Where data may not leave your infrastructure, an open-weight model is the alternative.
