Model No Longer Available
This model has been delisted from the API. This page is preserved for reference purposes only.
claude-sonnet-4-5-20250929-thinking
Anthropic's claude-sonnet-4-5-20250929-thinking. thoughtful AI with strong ethics.
Frequently Asked Questions
?How much does claude-sonnet-4-5-20250929-thinking cost?
claude-sonnet-4-5-20250929-thinking costs $2.40 per 1M input tokens and $12.00 per 1M output tokens via OkRouter. This is 20% cheaper than OpenRouter with the same great performance.
?Is claude-sonnet-4-5-20250929-thinking compatible with OpenAI SDK?
Yes! claude-sonnet-4-5-20250929-thinking works seamlessly with all OpenAI SDKs (Python, JavaScript, Go, etc.). Simply change your base_url to api.okrouter.com and use your OkRouter API key. No code changes needed.
?What is claude-sonnet-4-5-20250929-thinking best used for?
claude-sonnet-4-5-20250929-thinking excels at content generation and copywriting, question answering systems, conversational ai applications. It's competitively priced and perfect for professional applications requiring high quality.