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Top-Tier Reasoning

Claude 3.7 Sonnet

Claude 3.7 Sonnet is Anthropic's groundbreaking hybrid reasoning AI model, seamlessly switching between lightning-fast responses and deep, visible step-by-step thinking for superior performance in coding, math, and complex tasks. Unlock smarter, more human-like intelligence that elevates your workflows like never before.

200k Context
Top-Tier Intelligence
Oct '24 Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

GPQA
84.8%
MATH
82.2%
IFEval
90.8%

How do you want to interact?

Start a Conversation

Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.

Start Chatting

Use a Persona

Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.

Pick a Persona

Why use Claude 3.7 Sonnet?

Hybrid Reasoning

Toggle between standard fast mode and extended thinking for step-by-step reasoning on complex tasks

Superior Coding

State-of-the-art performance in coding, debugging, and software engineering tasks like SWE-bench

Enhanced Context & Speed

Improved context retention, processing speed, and long outputs up to 128K tokens

Capability Examples

Math Reasoning with Extended Thinking
Solve this AIME problem: In triangle ABC, angle A is 40 degrees, side b=5, side c=7. Find side a to nearest integer using extended thinking mode.
<Thinking>Step 1: Use law of sines: a/sin A = b/sin B = c/sin C. Step 2: Find angle B via law of cosines: cos B = (a² + c² - b²)/(2ac), but iterate with assumptions. After 50k tokens: Angle B ≈ 72.3°, C ≈ 67.7°. Step 3: a = 5 sin40° / sin72.3° ≈ 5.92, rounds to 6.</Thinking> Final answer: 6
Agentic Coding Task
Write a Python script to scrape weather data, parse JSON, and email summary if temp > 80°F. Use extended thinking for error handling.
<Thinking>Step 1: Import requests, json, smtplib. Step 2: Fetch API, handle 429 errors with retry. Step 3: Parse temp, format email. Step 4: Test edge cases like no internet. Budget: 32k tokens used.</Thinking> python import requests... # full optimized script with retries and logging Deploy-ready code complete.

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure Claude 3.7 Sonnet is selected.

3
Type Prompt

Ask a question or paste code.

4
Interact

Refine the answer by replying to the AI.

Compare LLMs Side-by-Side

Is Claude 3.7 Sonnet better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.

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