AnthropicClosed Weights

Claude 4 Sonnet Thinking (64K)

anthropic/claude-sonnet-4:thinking:64000

Best Input Price

$3.00 / 1M

Claude 4 Sonnet with maximum thinking budget (64,000 tokens).

Context Window

1,000,000 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2024-01-01

Inference Providers (1)

Provider	Model ID	Context	Input / 1M	Output / 1M	Action
NanoGPT	anthropic/claude-sonnet-4:thinking:64000	1,000,000	$3.00	$15.00	Docs ↗