Claude Opus 5
Claude Opus 5 API cost is $5 per million input tokens and $25 per million output tokens.
- Provider
- Anthropic
- API model name
- claude-opus-5
- Status
- Previous generation
- Input, $ per 1M tokens
- $5.00
- Cached input, $ per 1M tokens
- $0.50
- Output, $ per 1M tokens
- $25.00
- Sample request (10K in, 2K out), $
- $0.10
- Context window, tokens
- 1M
- Price checked on
- Official pricing page
- platform.claude.com
These are standard rates on Anthropic’s own API. Cached input is billed at $0.50 per million tokens. A request with 10,000 input tokens and 2,000 output tokens costs about $0.10 before caching or batch discounts. The API model name is claude-opus-5, and the context window is 1M tokens. Anthropic’s current Claude Opus 5.5 runs the same request for about $0.08. Cache writes cost $6.25 per 1M tokens for a 5-minute cache and $10 for a 1-hour cache. Fast mode costs $10 input and $50 output.
- Cache writes, $ per 1M tokens
- $6.25
- Max output, tokens
- 128K
- Input types
- Text, image, file
- Open weights
- No
- Batch pricing
- 50% off input and output tokens
- Pricing notes
- Cache writes cost $6.25 per 1M tokens for a 5-minute cache and $10 for a 1-hour cache. Fast mode costs $10 input and $50 output.
- Sources
Page URL Checked Claude API pricing https://platform.claude.com/docs/en/about-claude/pricing 2026-10-19 OpenRouter model listing (context and output limits) https://openrouter.ai/models 2026-09-29
Questions
How much does the Claude Opus 5 API cost?
What is the API model name for Claude Opus 5?
claude-opus-5 in API calls to Anthropic. The context window is 1M tokens, and a response can run to 128,000 output tokens.What does one Claude Opus 5 request cost?
How much do Claude Opus 5 cache writes cost?
Sources
Prices are read from each provider’s official pricing page: OpenAI, Anthropic, Google Gemini API, xAI, DeepSeek and Mistral AI. Context and output limits that a provider does not publish come from OpenRouter’s model listing. Each model’s Sources field lists the pages used and the date each was checked. How we check prices · Price change log