Claude Sonnet 5
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
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.
MiniMax
MiniMax M3
$0.40 / $1.40
per M tokens
Z.ai
GLM 5.2
$1.40 / $4.40
per M tokens
MoonshotAI
Kimi K3
$4.00 / $18.00
per M tokens
DeepSeek
DeepSeek V4 Pro
$1.80 / $3.60
per M tokens
Frequently Asked Questions
What is Claude Sonnet 5 good for?
Use Claude Sonnet 5 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Claude Sonnet 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 in LLMBase Chat?
Yes. Use the chat action on this page to open Claude Sonnet 5 in LLMBase Chat. Access still follows the current plan and model tier.
Does Claude Sonnet 5 support images or audio?
Claude Sonnet 5 can understand images.
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Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.