ModelsClaude Opus 4.5
Claude Opus 4.5
by Anthropic
Premium
Complex reasoning, large context, state-of-the-art performance
Pricing
Input
$5.00
per 1M tokens
Output
$25.00
per 1M tokens
Cached
$0.50
per 1M tokens
Note: Released Nov 24, 2025. Best-in-class for coding, agents, and autonomous tasks
Context & Output
Context Window1M tokens
Max Output8K tokens
Latency
Medium
Capabilities
Multimodal
Streaming
Function Calling
Prompt Caching
Key Strengths
What makes this model stand out
Tops SWE-bench Verified
10.6% better than Sonnet 4.5
Best for agents & coding
Most robustly aligned
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