Claude 3.5 Sonnet is Anthropic's best-value model, offering frontier-level intelligence with a massive 200K context window. It's the top choice for long document processing, complex coding, and agentic workflows.
Pricing Breakdown
| Volume | Input Cost | Output Cost | Combined (50/50) |
|---|---|---|---|
| 1,000 tokens | $0.0030 | $0.0150 | $0.0090 |
| 10,000 tokens | $0.0300 | $0.1500 | $0.0900 |
| 100,000 tokens | $0.3000 | $1.5000 | $0.9000 |
| 1,000,000 tokens | $3.0000 | $15.0000 | $9.0000 |
Strengths
- ✓200K context window — best for long documents
- ✓Industry-leading coding performance
- ✓Nuanced instruction following
- ✓Strong at agentic tasks and tool use
- ✓Lowest hallucination rate among frontier models
Weaknesses
- ✗Slightly more expensive than GPT-4o on output
- ✗No native image generation
Compare Claude 3.5 Sonnet With
Frequently Asked Questions
How much does Claude 3.5 Sonnet cost?
Claude 3.5 Sonnet costs $3.00/1M per 1M input tokens and $15.00/1M per 1M output tokens.
What is Claude 3.5 Sonnet's context window?
Claude 3.5 Sonnet has a context window of 200K tokens, which means it can process up to 200,000 tokens in a single request.
Is Claude 3.5 Sonnet open source?
No, Claude 3.5 Sonnet is a proprietary model by Anthropic and is not open source.
What is Claude 3.5 Sonnet best used for?
Claude 3.5 Sonnet is best suited for: coding, document-analysis, long-context, research, function-calling. 200K context window — best for long documents.
What is Claude 3.5 Sonnet's ELO score?
Claude 3.5 Sonnet has an ELO score of 1295 on the LMSYS Chatbot Arena leaderboard, placing it among top-tier models.