Availability

Publicly available

Provider

Anthropic

Country

USA

Family

Claude

Status

Legacy

Weights

Closed

Release date

2026-02-17T00:00:00.000Z

Modalities

text (both)

Input per million tokens

3 USD

Output per million tokens

15 USD

Price effective from

2026-09-06T00:00:00.000Z

Knowledge cutoff

2025-08-01T00:00:00.000Z

Aliases

claude-sonnet-4-6

Capabilities

• tool_use · primary
• reasoning
• structured_output

Traits

• context_window1,000,000 tokens
• max_output_tokens128,000 tokens