Claude Opus 4.5 at a glance
Anthropic launched Claude Opus 4.5, pitched as its strongest model for coding, agents and computer use, and cut Opus pricing to $5 input and $25 output per million tokens.
What changed with Claude Opus 4.5
Claude Opus 4.5 arrived on the Claude apps, the Claude API and the three major cloud platforms. Anthropic reported state-of-the-art results on SWE-bench Verified and gains over Sonnet 4.5 on several coding and agent tests, along with a new effort parameter that trades depth of reasoning against token use.
The launch also shipped product updates: Plan Mode in Claude Code, Claude Code inside the desktop app, automatic summarization for long chats, and wider access to Claude for Chrome and Claude for Excel.
Claude Opus 4.5 benchmarks and pricing
Values are copied from the linked source on the date shown. They are not IA Compa measurements.
- Input price per 1M tokensas of · Source for Input price per 1M tokens: anthropic.com (opens in a new tab)
- $5.00
- Output price per 1M tokensas of · Source for Output price per 1M tokens: anthropic.com (opens in a new tab)
- $25.00
How it compares
Other models in the same category that we have covered, using each model's latest recorded value. (Models)
Where to compare Claude Opus 4.5
Independent leaderboards and official resources for comparing this model yourself. Rankings change often; each site shows its own current data.
Leaderboards
General leaderboards
Official resources
Why Claude Opus 4.5 matters for businesses
For businesses, the main change was cost. Opus-class quality at a lower per-token price made it more practical to use a top model for long agent runs and document-heavy work instead of reserving it for rare tasks.
Sources for this story
- Introducing Claude Opus 4.5 (opens in a new tab)Official
Anthropic · anthropic.com
Last verified: . IA Compa summarizes public announcements for business readers. We are not affiliated with the companies mentioned. Always confirm details, pricing, and availability with the official source.
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