Claude Opus 4.5 pricing & price history
Claude Opus 4.5 by Anthropic costs $5.00 per 1M input tokens and $25.00 per 1M output tokens, with a 200K token context window.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Cost calculator
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About Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s 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...
FAQ
How much does Claude Opus 4.5 cost?
Claude Opus 4.5 by Anthropic costs $5.00 per 1M input tokens and $25.00 per 1M output tokens, with a 200K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.0225.
What is the context window of Claude Opus 4.5?
Claude Opus 4.5 supports up to 200,000 tokens of context and up to 64,000 output tokens per request.
Has Claude Opus 4.5’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is Claude Opus 4.5 being deprecated?
No retirement date has been announced for Claude Opus 4.5 as of 2026-09-24.
What are cheaper alternatives to Claude Opus 4.5?
Cheaper options include Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30), MiMo-V2.6-Flash ($0.14/$0.28), Llama Guard 4 12B ($0.18/$0.18).