Claude 3.5 Sonnet
by Anthropic
Claude 3.5 Sonnet is a model from Anthropic, released on October 22, 2024. It has a 200K-token context window and can generate up to 200K output tokens. API pricing is $3 per 1M input tokens and $15 per 1M output tokens. It ranks #128 of 220 models by Intelligence Score with a score of 19.
Claude 3.5 Sonnet is a powerful AI model with industry-leading software engineering skills. It excels in coding, planning, and problem-solving, with significant improvements in agentic coding and tool use tasks. The model includes computer use capabilities in public beta, allowing it to interact with computer interfaces like a human user.
Key specs
| Provider | Anthropic |
|---|---|
| Release date | 2024-10-22 |
| License | proprietary |
| Context window | 200K tokens |
| Max output | 200K tokens |
| Input price | $3 / 1M tokens |
| Output price | $15 / 1M tokens |
| Intelligence Score | 19 |
| Coding index | 11.3 |
Quick answers
What is the context window of Claude 3.5 Sonnet?
Claude 3.5 Sonnet has a context window of 200K tokens, with a maximum output of 200K tokens per response.
How much does Claude 3.5 Sonnet cost?
Claude 3.5 Sonnet costs $3 per 1M input tokens and $15 per 1M output tokens through the API.
Is Claude 3.5 Sonnet open source?
No. Claude 3.5 Sonnet is a proprietary model from Anthropic (proprietary license).
When was Claude 3.5 Sonnet released?
Anthropic released Claude 3.5 Sonnet on October 22, 2024.
How does Claude 3.5 Sonnet compare to Claude Opus 5.5 (Reasoning)?
Claude 3.5 Sonnet scores 19 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $3 vs $4 per 1M tokens.
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