Claude AI is a real-time chatbot, similar to ChatGPT, that can help you with complex tasks, from coding to writing.
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Start asking Claude Sonnet 4 anything in just 3 simple steps:
Open Overchat
In your browser or smartphone
Sign Up
Create a personal account
Select Claude Sonnet
And start chatting
200k context-window
Claude Sonnet can easily remember very long conversations and stay on topic, even if you upload large documents or long texts. No more worries that your AI chats are too long.
Best in-class AI coder
Claude Sonnet 4 scores 72.7% on the SWE-bench Verified agentic coding test, outperforming both Gemini 2.5 Pro and OpenAI o3.
Exccelent AI writer
Claude Sonnet can output up to 64K tokens, which means that, unlike many competing models, it can write entire articles, essays, or research papers in one go.
High-quality AI answers
According to research by Anthropic, Claude Sonnet is 67% less likely to take a shortcut when answering your question, meaning that it is often more helpful than old-generation models.
Better memory
Claude Sonnet has significantly improved memory retention. When working with large documents, it can reference them accurately, and can follow instructions better, even in very long chats.
Thoughtful AI chats
Claude Sonnet shows much better ability to isolate and remember key facts from your chats or saved documents. It saves them for later and knows when to bring them up based on context.
ChatGPT
Overchat
Text & Conversational AI
GPT-6 Astra
GPT-6 Sol
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Gemini 3.8 Flash
Grok 4.7
Kimi K3
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Qwen 3.8 Max
DeepSeek V4 Pro
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Claude Opus 5.5
Claude Fable 5.1
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Mistral
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Llama 4
Muse Spark
Art & Images AI
GPT Image 2.5
Nano Banana 2
Nano Banana Pro
Qwen Image 2
Seedream 5 Pro
FLUX 2 Max
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Recraft
Stable Diffusion
Video Generation AI
Grok Imagine 1.5
Seedance 2.5
Sora 2
Veo 3.1
Runway Gen 4
Kling 3 Motion Control
Kling o3
Hailuo 2.3 Pro
Wan 2.6
ChatGPT
Text & Conversational AI
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GPT-6 Luna
.svg)
GPT-6 Sol
Limited
GPT-6 Astra
Limited
Art & Images AI
GPT Image 2.5
Overchat
Text & Conversational AI
GPT-6 Astra
GPT-6 Sol
GPT-6 Luna
Claude Opus 5.5
Claude Fable 5.1
Gemini 3.8 Flash
Grok 4.7
Mistral
Llama 4
Art & Images AI
Qwen Image 2
GPT Image 2.5
FLUX 2 Max
Recraft
Stable Diffusion
Nano Banana 2
Video Generation AI
Kling 3
Seedance 2.5
.svg)
Runway Gen-4
One subscription, all tools – no extra costs, no hassle
Separate tools
$25.4
per week
for multiple tools
Purchased Individually
$20/m
$20/m
$20/m
$12/m
$18/m
$20/m
What is Claude Sonnet?
Claude Sonnet is a powerful AI model created by Anthropic for understanding and generating human-like text. It works in a similar way to GPT models from OpenAI, but has its own strengths and weaknesses.
What are the main differences between GPT and Claude Sonnet?
Claude Sonnet is developed by Anthropic, whereas GPT is developed by OpenAI. What's more, Claude Sonnet often handles coding and reasoning better.
How to use Claude Sonnet?
Simply open Overchat AI, select the Sonnet model, and start chatting — you can also upload files to chat with documents, and upload images to summarize them.
What are the key features of Claude Sonnet?
Its key features include strong reasoning, long context understanding (200k tokens), file uploads (PDFs, code, etc.), and an emphasis on helpful, honest, and direct responses.
How does Claude Sonnet handle complex coding tasks?
Claude Sonnet handles complex coding tasks very well. In coding benchmarks, Claude Sonnet 4 even outperforms Google Gemini 2.5 Pro making it ideal for coding tasks.
What specific tasks does Claude Sonnet excel in?
Claude Sonnet excels in coding, logical reasoning and analysis, and creative writing tasks. Beyond that, many users love it's direct and helpful tone, making it a great all-purpose AI assistant.
