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Anthropic · API model

Claude Opus 5

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...

Context
1M
Input / 1M
$5
Output / 1M
$25
Released
Jul 24, 2026
View on OpenRouterFind it in the catalog
Specifications

Claude Opus 5 specs

Provider
Anthropic
Type
API model
Model ID
anthropic/claude-opus-5
Context window
1,000,000 tokens1M
Input price
$5per 1M input tokens
Output price
$25per 1M output tokens
Accepts
file, image, text
Produces
text
Released
Jul 24, 2026
Popularity
34/100position #60 in OpenRouter's weekly usage ranking
Source
OpenRouter
Overview

About Claude Opus 5

Claude Opus 5 is an API model from Anthropic, released on Jul 24, 2026, with a context window of 1,000,000 tokens, pricing of $5 per million input tokens and $25 per million output tokens. It accepts file, image, text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.075.

Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON modeReasoning
FAQ

Claude Opus 5 questions

What is the context window of Claude Opus 5?

Claude Opus 5 supports a context window of 1,000,000 tokens.

How much does Claude Opus 5 cost?

Claude Opus 5 is listed at $5 per million input tokens and $25 per million output tokens on OpenRouter.

When was Claude Opus 5 released?

Claude Opus 5 was published on Jul 24, 2026.

What inputs does Claude Opus 5 accept?

Claude Opus 5 accepts file, image, text input and produces text output.