Anthropic: Claude Opus 4.5
Analysis Summary
Anthropic: Claude Opus 4.5 sits in the Professional tier on our leaderboard, ranked #18 of 525 published models on overall intelligence. At $5.00 input and $25.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.
Editorial notes
Claude Opus 4.5 from Anthropic delivers strong coding and agentic performance with vision support and a solid reasoning profile, making it a capable choice for complex business and development tasks. It is superseded within the Opus family by later releases, and its premium pricing limits value, but it remains a highly competent model for professional use.
Assessed April 24, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
Claude Opus 4.5 is Anthropicās frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does Anthropic: Claude Opus 4.5 stack up?
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Model Information
| OpenRouter ID |
anthropic/claude-opus-4.5
|
| Provider | anthropic |
| Release Date | November 24, 2025 |
| Context Length | 200,000 tokens |
| Max Completion | 64,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $5.00 | $0.005000 |
| Output | $25.00 | $0.025000 |
Live Performance
Live endpoint metrics ā refreshed every 30 minutes.
