Claude Sonnet 4 Description

Claude Sonnet 4 is an advanced AI model that enhances coding, reasoning, and problem-solving capabilities, perfect for developers and businesses in need of reliable AI support. This new version of Claude Sonnet significantly improves its predecessor’s capabilities by excelling in coding tasks and delivering precise, clear reasoning. With a 72.7% score on SWE-bench, it offers exceptional performance in software development, app creation, and problem-solving. Claude Sonnet 4’s improved handling of complex instructions and reduced errors in codebase navigation make it the go-to choice for enhancing productivity in technical workflows and software projects.

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Pricing

Pricing Starts At:
$3 / 1 million tokens (input)
Pricing Information:
Input: $3 per 1 million tokens
Output: $15 per 1 million tokens

Integrations

API:
Yes, Claude Sonnet 4 has an API
View Integrations

Reviews - 1 Verified Review

Total
ease
features
design
support
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Company Details

Company:
Anthropic
Year Founded:
2021
Headquarters:
United States
Website:
claude.ai

Media

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Product Details

Platforms
Web-Based
iPhone App
Android App
Types of Training
Training Docs
Customer Support
Online Support

Claude Sonnet 4 Features and Options

Claude Sonnet 4 Lists

Claude Sonnet 4 User Reviews

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  • Name: Anonymous (Verified)
    Job Title: Developer
    Length of product use: Less than 6 months
    Used How Often?: Daily
    Role: User
    Organization Size: 26 - 99
    Features
    Design
    Ease
    Pricing
    Support
    Likelihood to Recommend to Others
    1 2 3 4 5 6 7 8 9 10

    HUGE upgrade

    Date: May 22 2025

    Summary: In general, Claude Sonnet 4 is a remarkable upgrade. The model brings powerful performance and improved steerability, making it an excellent choice for those seeking both capability and practicality. I’m looking forward to using it more, as it’s clear that it will only get better with more interaction. Whether you’re coding, problem-solving, or simply looking for a reliable AI assistant, Claude Sonnet 4 is definitely worth trying.

    Positive: I just started using Claude Sonnet 4 today, and it's already exceeded my expectations. The improvements over Sonnet 3.7 are noticeable, especially in how it handles complex instructions. It’s far better at reasoning and understanding context, delivering answers with precision. The new memory capabilities, like extracting and storing key facts, make the interactions feel more continuous and intelligent. Plus, its ability to use tools in parallel during extended thinking adds another layer of depth, making it ideal for more intricate tasks.

    Negative: While the overall performance is impressive, there are minor areas that could still use refinement. Occasionally, the responses take a bit longer when working on more advanced queries.

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