Understanding the Claude 3.5 API: Features, Tutorial, and Pricing

3 min readSep 9, 2024

On June 21, 2024, Anthropic unveiled its latest AI model, Claude 3.5 Sonnet. This article provides a summary of Claude 3.5’s new features and an easy-to-follow tutorial on using the Claude 3.5 API.

Overview of Claude 3.5 Sonnet

Claude 3.5 Sonnet is part of Anthropic’s newest AI model family. It outperforms previous models and key competitor models, including Claude 3 Opus, in various evaluations, with twice the processing speed.

Claude 3.5 Sonnet Key Features:

Advanced Intelligence: Excels in graduate-level reasoning, undergraduate-level knowledge, and coding.
High-Speed Processing: Operates at double the speed of Claude 3 Opus.
Visual Understanding: Superior in interpreting graphs and images.
Cost Efficiency: High performance at mid-tier pricing.
Wide Availability: Accessible on Claude.ai, the iOS app, and via API.
Large Context Window: 200K token context window.
Safety Considerations: Rigorous testing to reduce misuse.

Using Claude 3.5 Sonnet API

With the release of Claude 3.5 Sonnet, the Claude 3.5 API is now available for developers. Here’s how to get started:

Obtain Access Token:

Visit Claude’s official website and click “Get API Access”.
Sign in and navigate to the developer dashboard.
Click “Get API Keys” and then “Create Key” to generate your API token. Store this token safely.

Use Apidog for API Management:

Select the desired endpoint from the menu and use the “Try it out” feature.

Enter your access token in the header and specify Claude 3.5 Sonnet in the body of your request.

Send your request to receive a response from Claude’s server.

For more information about how to use Apidog to send Claude 3.5 Sonnet API, please visit this link: Claude 3.5 API: Latest Information and Beginner’s Tutorial!

Benchmark Comparisons

Claude 3.5 Sonnet surpasses the previous top-tier Claude 3 Opus in several benchmarks, including:

Graduate-level reasoning
Coding
Composite evaluation
Mathematical problem solving

Comparison with GPT-4o

Claude 3.5 Sonnet leads in four out of six areas compared to GPT-4o, although GPT-4o excels in mathematical problem-solving.

Claude 3.5 API Pricing

Claude 3.5 Sonnet’s API is priced at $3 per million input tokens and $15 per million output tokens, the same as the previous Claude 3 Sonnet model. This offers a higher performance at a lower cost compared to Claude 3 Opus.

Check out the pricing page for more information.

Conclusion

Claude 3.5 marks a significant advancement in AI technology, combining advanced intelligence with cost efficiency. The API allows developers to seamlessly integrate these capabilities into their projects. Future releases in the Claude 3.5 family, like Claude 3.5 Haiku and Claude 3.5 Opus, are anticipated to further enhance these offerings.