Anthropic: Claude 3.7 Sonnet
Claude 3.7 Sonnet is an advanced large language model with improved reasoning, coding, and problem-solving capabilities. It introduces a hybrid reasoning approach, allowing users to choose between rapid responses and extended, step-by-step processing for complex tasks. The model demonstrates notable improvements in coding, particularly in front-end development and full-stack updates, and excels in agentic workflows, where it can autonomously navigate multi-step processes. Claude 3.7 Sonnet maintains performance parity with its predecessor in standard mode while offering an extended reasoning mode for enhanced accuracy in math, coding, and instruction-following tasks. Read more at the [blog post here](https://www.anthropic.com/news/claude-3-7-sonnet)
Pricing per 1M Tokens
| Input (Prompt) | $3.00 |
| Output (Completion) | $15 |
| Cache Read | $0.30 |
| Cache Write | $3.75 |
| Image | N/A |
Specifications
| Context Length | 200K |
| Max Output Tokens | 64K |
| Input Modalities | Text + Image + File |
| Output Modalities | Text |
| Tokenizer | Claude |
| Instruct Type | N/A |
| Top Provider Context | 200K |
| Top Provider Max Output | 64K |
| Moderated | No |
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Last updated: March 23, 2026
First tracked: March 23, 2026