Skip to content
JustSimpleChatJustSimpleChat

Anthropic: Claude Sonnet 4

NEW

OpenRouter

Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...

Try Anthropic: Claude Sonnet 4 Now

Start chatting with Anthropic: Claude Sonnet 4 for free. No credit card required.

Open Chat →

Model Specifications

Speed
balanced
Tier
starter
Input Limit
1,000,000 tokens
~750,000 words
Output Limit
64,000 tokens
~48,000 words
Input Cost
$0.000003
per 1K tokens
Output Cost
$0.000015
per 1K tokens

What Anthropic: Claude Sonnet 4 Excels At

  • analysis
  • vision
  • multimodal
  • function calling

Pricing & Access

Anthropic: Claude Sonnet 4 is available on JustSimpleChat with flexible pricing.

API Pricing:

  • Input: $0.000003 per 1,000 tokens
  • Output: $0.000015 per 1,000 tokens
View all pricing plans →

Frequently Asked Questions

What is Anthropic: Claude Sonnet 4?

Anthropic: Claude Sonnet 4 is Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),... It's developed by OpenRouter and offers 1,000,000 tokens of context with balanced response times. Available now on JustSimpleChat.

How much does Anthropic: Claude Sonnet 4 cost?

Anthropic: Claude Sonnet 4 costs $0.000003 per 1,000 input tokens and $0.000015 per 1,000 output tokens. You can use it on JustSimpleChat with flexible pricing options. Check our pricing page for current rates.

What's the context window of Anthropic: Claude Sonnet 4?

Anthropic: Claude Sonnet 4 supports 1,000,000 input tokens and 64,000 output tokens. This large context window makes it ideal for analyzing long documents, codebases, and extensive conversations.

How fast is Anthropic: Claude Sonnet 4?

Anthropic: Claude Sonnet 4 is classified as balanced speed. This means it's balanced, offering a good mix of speed and thoughtful responses. Perfect for complex reasoning, detailed analysis, and tasks requiring careful consideration.

What are the best use cases for Anthropic: Claude Sonnet 4?

Anthropic: Claude Sonnet 4 excels at data analysis and research, analyzing images and visual content, working with text, images, and other media, integrating with external tools and APIs. It offers reliable performance for everyday AI tasks.

Can Anthropic: Claude Sonnet 4 help with coding tasks?

Anthropic: Claude Sonnet 4 can assist with coding-related questions and provide guidance on programming concepts. For advanced code generation and execution, consider models with dedicated coding capabilities available on JustSimpleChat.

Can I use Anthropic: Claude Sonnet 4 for free?

JustSimpleChat offers free trial credits that you can use with Anthropic: Claude Sonnet 4. Sign up to start using this model and explore our 200+ AI models with flexible pricing options.

How do I access Anthropic: Claude Sonnet 4 on JustSimpleChat?

Getting started with Anthropic: Claude Sonnet 4 is easy: 1) Sign up or log in to JustSimpleChat, 2) Open the chat interface, 3) Select Anthropic: Claude Sonnet 4 from the model picker, and 4) Start chatting! No complex setup required - just choose and use.

What capabilities does Anthropic: Claude Sonnet 4 have?

Anthropic: Claude Sonnet 4 supports analysis, vision, multimodal, function calling. This makes it a versatile choice for a wide range of AI-powered tasks and applications.

How does Anthropic: Claude Sonnet 4 compare to other AI models?

Anthropic: Claude Sonnet 4 is part of OpenRouter's model lineup. On JustSimpleChat, you can easily compare it with 200+ other models from providers like OpenAI, Google, Anthropic, and more. Try different models side-by-side to find the best fit for your needs.

Related AI Models

Compare Anthropic: Claude Sonnet 4

See how Anthropic: Claude Sonnet 4 stacks up against other popular AI models.

Ready to try Anthropic: Claude Sonnet 4?

Join thousands of users already using Anthropic: Claude Sonnet 4 on JustSimpleChat

Start Free Trial