Claude Opus 5: price, context window and capabilities

What it costs in practice

Using the listed prices: a chat turn of 2,000 input and 500 output tokens costs about $0.022, so 10,000 such turns cost about $225.00. Summarising a 100,000-token document into 2,000 tokens costs about $0.550. A long agent run that reads 1 million tokens and writes 50,000 costs about $6.25.

How it compares

Among the 40 models we track, Claude Opus 5 ranks #39 by input price and #39 by output price (1 is cheapest), and #19 by context window (1 is largest). Models with the same tool and reasoning support that cost less per output token: DeepSeek V4 Pro 0423 ($0.418), Qwen3.8 Omni Flash ($0.470), Qwen3.8 Flash ($0.470), GPT-6 Luna Pro ($0.500). Models with a larger context window at the same or lower output price: Llama 4 Scout (1.3M), GPT-6.1 Sol Pro (1.1M), GPT-6.1 Sol (1.1M), GPT-6 Luna Pro (1.1M).

More from Anthropic

• Claude Sonnet 5.5: $2.00 in / $10.00 out, 1M context
• Claude Opus 5.5: $4.00 in / $20.00 out, 1M context
• Claude Fable 5.1: $10.00 in / $50.00 out, 1M context

In the news

• Claude Opus 5.5 lands: Fable-level coding at 40% lower cost 22 Sept 2026
• OpenAI cuts GPT-5.6 Sol output 33% — but it expires Nov 21 24 Aug 2026
• Meta ships Muse Code, and Opus 5 still beats it on paper 6 Aug 2026
• Claude Opus 5: Anthropic's New State-of-the-Art Model Drops at Half the Price August 4, 2026
• One dev vibe-coded a Homeworld clone with Opus 5 for $632 28 Jul 2026

Prices and limits come from OpenRouter's public model catalogue, last synced 4 Oct 2026. Provider pricing can differ from OpenRouter's and changes often; confirm on the provider's own page before you commit. See the guide to choosing a model or the full comparison.