Claude 3.5 Sonnet
by AnthropicAnthropic's best balance of intelligence and speed—the go-to model for coding and analysis.
About Claude 3.5 Sonnet
Claude 3.5 Sonnet is Anthropic's most widely-used model, balancing high intelligence with fast speed. Significantly upgraded in October 2024 (claude-3-5-sonnet-20241022), it introduced computer use capabilities (controlling desktop apps), improved coding, and better instruction following. Remains the top choice for developers building production AI applications as of early 2026.
Key Features
Works With
Anthropic API
AWS Bedrock
Google Cloud Vertex AI
OpenRouter
Claude.aiPerfect For
Getting Started
- 1
Get API key at console.anthropic.com
- 2
Use claude-3-5-sonnet-20241022 model
- 3
Install Anthropic Python or Node SDK
- 4
Add vision by passing base64 images
What Makes Claude 3.5 Sonnet Different?
Computer use capabilities (control desktop apps)
Best general coding in the Claude family
200K context for long documents
Strong instruction following and safety
Pros & Cons
Pros
- Best coding performance in Claude family
- Computer use for automation
- Excellent instruction following
- Fast response times
Cons
- More expensive than Haiku
- Less reasoning depth than Opus
- Computer use is still beta
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Anthropic — All Versions
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