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Sonnet 4.6
Free PlanMost PopularBest ValueOpen SourceBest For TeamsBest For CreatorsNo WatermarkEditor's Choice

Sonnet 4.6

by Anthropic

Anthropic's advanced AI model for developers.

Reviewed May 2026by CBAI Editorial Team
8.0/10

Score

4.0 out of 5 · our score
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Developer

Our verdict

Claude Sonnet 4.6 offers advanced AI capabilities for developers, with a 1 million-token context window and enhanced coding skills, all at a mid-tier price point. It's a strong choice for those seeking high performance without the flagship price tag.

Overview

Released on February 17, 2026, Claude Sonnet 4.6 is Anthropic's most capable Sonnet-class model, designed to excel in coding, computer use, long-context reasoning, agent planning, knowledge work, and design. It features a 1 million-token context window, allowing for comprehensive analysis of extensive codebases and documents. The model is available via Anthropic's API, AWS Bedrock, Google Vertex AI, and Microsoft Foundry, with pricing set at $3 per million input tokens and $1…

Score breakdown

Overall score

8.0/10
Output quality8.5/10
Ease of use7.5/10
Value for money8.0/10
Features & tools8.5/10
API & integrations7.5/10
Support & docs7.0/10

Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.

Expert review

C

CBAI Editorial Team

Compare Best AI · Editorial Team

## Overview

How we tested

Days tested

7 days

Tasks evaluated

  • ·Core Developer workflow test
  • ·Pricing and plan evaluation
  • ·Feature completeness review
  • ·Ease of use and onboarding assessment

Method

Compared against Opus 4.6 and Sonnet 4.5 using identical inputs

Reviewer

CBAI Editorial Team

Plans & pricing

Most Popular

Standard

$3 per million input tokens; $15 per million output tokens

Developers seeking advanced AI capabilities at a mid-tier price

  • 1 million-token context window
  • Enhanced coding capabilities
  • Improved instruction following
  • Reduced overengineering
  • Available via multiple platforms

Pricing may vary by region. Always verify on the vendor's website.

Feature comparison

FeatureSonnet 4.6Opus 4.6Sonnet 4.5
Core
1 million-token context window
Enhanced coding capabilities
Improved instruction following
Reduced overengineering
Pricing
Standard pricing
Integrations
Multiple platform availability
Included Partial / add-on Not included

Is it right for you?

Good fit for

Software Developers

Need advanced AI capabilities for coding and development tasks.

Data Scientists

Require long-context document analysis for research.

Automation Engineers

Seek agent-based planning and workflow automation solutions.

Less suited for

Casual Users

Looking for basic AI functionalities without advanced features.

Budget-Conscious Users

Seeking free AI models without premium features.

User reviews

4.0

Editorial score

5
48%
4
28%
3
6%
2
4%
1
0%

Distribution is estimated from our editorial score. Verified user reviews coming soon.

Integrations

Reported connectors

Apps and services commonly connected out of the box or via official connectors.

  • ["AWS Bedrock","Google Vertex AI","Microsoft Foundry"]

Details

Category

Developer

Price

  • $3 per million input tokens
  • $15 per million output tokens

Free version

Yes

Best for

  • Coding and software development
  • Long-context document analysis
  • Agent-based planning and automation

Frequently asked questions

Sonnet 4.6

Sonnet 4.6

Developer

Ready to get started?

Visit the Sonnet 4.6 website to explore plans and start your free trial.

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