Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
Input Price
$2.00/1M tokens
Output Price
$10.00/1M tokens
Intelligence
56.0
Coding
N/A
Specifications
Technical details and pricing.
EU-hosted inference API
Power your AI projects with open-source models.
Drop-in OpenAI-compatible API. No data leaves Europe.
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Frequently Asked Questions
What is Claude Sonnet 5.5 good for?
Use Claude Sonnet 5.5 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Claude Sonnet 5.5 cost?
Pricing is based on usage. Current rates are $2.00/1M tokens for input and $10.00/1M tokens for output.
Can I use Claude Sonnet 5.5 in LLMBase Chat?
Yes. Use the chat action on this page to open Claude Sonnet 5.5 in LLMBase Chat. Access still follows the current plan and model tier.
Does Claude Sonnet 5.5 support images or audio?
Claude Sonnet 5.5 can understand images.
Where does Claude Sonnet 5.5 run?
Processing terms depend on the selected model. Claude Sonnet 5.5 is not marked as EU-hosted, so it is processed by the company that operates it. LLMBase shows this for every model so you can choose per use case.
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DetailsBenchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.