Name: Claude 3.5 Sonnet API
Brand: Anthropic

How to use Claude 3.5 Sonnet API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to .

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Claude 3.5 Sonnet API Pricing

Type	Price
Input
Output	tokens

Model	Input	Output	Context	Best for
Claude 3.5 Sonnet This page
GPT-5.5	$6.5 / 1M	$39 / 1M	1.05M tokens	Reasoning + agents
Claude Sonnet 5	$2.6 / 1M	$13 / 1M	1M tokens	Balanced coding + agents
Kimi K3	$3.9 / 1M	$19.5 / 1M	1M tokens	Long-context, multimodal & agentic workflows
Gemini 3.5 Flash	$0.65 / 1M	$3.9 / 1M	1.05M tokens	Reasoning + agents