SourceIntroducing Claude Opus 4.5 \ Anthropic
Anthropic has released Claude Opus 4.5, an AI model specialized for software engineering, computer use, and complex reasoning tasks.
Why it matters
Enterprises and developers gain access to higher-performing automation tools at lower token costs. The model's ability to outperform human candidates on technical exams suggests a shift in professional software engineering roles.
The details
- Pricing for the model is $5/$25 per million tokens.
- Opus 4.5 is more resistant to deceptive prompt injection attacks than other models.
- Claude Code now allows multiple parallel sessions via a desktop app.
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Key connections
Anthropic owns Claude Opus 4.5
Anthropic created and released Claude Opus 4.5.
Anthropic owns Claude for Chrome
Anthropic developed Claude for Chrome.
Claude Opus 4.5 competes with Claude Sonnet 4.5
Claude Opus 4.5 outperforms Claude Sonnet 4.5 on benchmarks while using fewer output tokens.
Claude Opus 4.5 uses Computer Use
Claude Opus 4.5 features market-leading computer use capabilities.
Claude Opus 4.5 is related to Prompt Injection
Claude Opus 4.5 features robust safety training against prompt injection attacks.
Claude Opus 4.5 is related to Context Compaction
Claude Opus 4.5 uses context compaction to optimize long-running conversations and agent tasks.
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Claude Opus 4.5 is related to SWE-bench Verified
Claude Opus 4.5 achieves state-of-the-art results on SWE-bench Verified.
Claude Opus 4.5 is related to τ2-bench
Claude Opus 4.5 was evaluated on the τ2-bench benchmark for agentic capabilities.
Claude Developer Platform is related to Context Compaction
Claude Developer Platform supports context compaction for client-side context editing.
Claude Code uses Claude Opus 4.5
Claude Code incorporates Claude Opus 4.5 for plan generation and execution.
Claude API uses Claude Opus 4.5
Claude API serves Claude Opus 4.5 model endpoints to developers.
Claude for Chrome uses Claude Opus 4.5
Claude for Chrome leverages Claude Opus 4.5 to handle tasks across browser tabs.
Claude for Excel uses Claude Opus 4.5
Claude for Excel leverages Claude Opus 4.5 to assist with spreadsheet tasks.
Anthropic owns Claude Developer Platform
Anthropic operates the Claude Developer Platform
Anthropic owns Claude Sonnet 4.5
Anthropic develops Claude Sonnet 4.5.
Claude Opus 4.5 uses Software Engineering
Claude Opus 4.5 is state-of-the-art on tests of real-world software engineering
Related events
Anthropic Releases Claude Opus 4.5
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