When was Anthropic Claude Sonnet 3.7 released?

Anthropic Claude Sonnet 3.7 was released on 2025-02-24.

What is the context window of Claude Sonnet 3.7?

Claude Sonnet 3.7 supports a context window of 200K tokens.

Claude Sonnet 3.7 pricing is $3.00 per 1M input tokens and $15.00 per 1M output tokens.

Claude Sonnet 3.7 is available via API Only on Anthropic API, AWS Bedrock, Google Vertex AI.

Update Anthropic LLM Proprietary

Name: Anthropic Claude Sonnet 3.7
Availability: API Only
Author: Anthropic

Extended-thinking update to Sonnet 3.5 with visible reasoning toggle.

Released 2025-02-24 · ~300B · 200K tokens context · knowledge cutoff 2024-11

Iterative improvement on Claude 3.5 with enhanced capabilities

DeveloperAnthropic

Release date2025-02-24

Model typeLLM

Parameters~300B

ArchitectureDense Transformer (proprietary)

Context window200K tokens

Max output64K

Knowledge cutoff2024-11

LicenseProprietary

Input modalitiestext, image, PDF

Output modalitiestext

$3.00

per 1M input tokens

$15.00

per 1M output tokens

API Only Anthropic API AWS Bedrock Google Vertex AI