Claude 3.5 SonnetArchive and alternatives
Claude 3.5 Sonnet is no longer available on OpenRouter. Explore a current alternative below.
Specifications
Claude 3.5 Sonnet at a glance
Context
200K tokens
Max output
8.2K tokens
Input price
$6.00 / 1M
Output price
$30.00 / 1M
Capabilities
What it is good at
Catalog capabilities
- Outstanding coding performance
- Strong analytical reasoning
- Excellent at following complex instructions
- Natural, engaging writing style
Good for
Compare
Compare Claude 3.5 Sonnet
Claude 3.5 Sonnet vs Claude Sonnet 4
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability.
Open comparisonClaude 3.5 Sonnet vs Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows.
Open comparisonClaude 3.5 Sonnet vs Claude Sonnet 4.6
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work.
Open comparisonFAQ
Questions about Claude 3.5 Sonnet
Clear answers based on the model catalog and Krater access.