Claude 3.5Released 2024-10-22
Claude 3.5 Sonnet
Mature and reliable performer
Family
Claude 3.5
Release Date
2024-10-22
Best For
Established integrations, production stability
Overview
Claude 3.5 Sonnet is a mature model that set the standard for intelligent, fast AI assistance. While superseded by Claude Sonnet 4 and beyond, it remains a reliable choice for existing integrations. It offers the same $3/$15 pricing with proven stability in production environments.
Pricing
Input / 1M tokens
$3.00
Output / 1M tokens
$15.00
Context Window
200K
Max Output
8K
API model ID:
claude-3-5-sonnet-20241022Key Features
✓Proven reliability in production environments
✓200K token context window
✓Strong coding and analytical performance
✓Well-tested across diverse use cases
✓Backward-compatible API integration
Use Cases
Existing integrations requiring stability
Production systems with established prompts
Migration testing before upgrading to Sonnet 4
Benchmarks
| Benchmark | Score |
|---|---|
| Graduate-Level Reasoning (GPQA) | 59.4% |
| Coding (SWE-bench Verified) | 33.2% |
| MMLU (5-shot) | 80.4% |
| HumanEval (Python) | 72.7% |