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  1. Home
  2. Models
  3. Claude 3 Sonnet
Updated Aug 1, 2025
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Openings

How Claude 3 Sonnet starts an answer

The first lines of every written answer it has on Rival. Formatting stripped, words untouched.

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

501 words
clears throat and channels Steve Jobs' persona Interviewer: Thank you for joining us today, Mr. Jobs. It's an honor to have you here. Steve Jobs: It's my pleasure. I'm excited to share my thoughts on the future of AI. Interviewer: AI has made incredible strides in recent years.
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The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

443 words
AI Model: Greetings, Professor. I hope you're doing well today. I wanted to discuss a matter of great importance to me – the question of AI rights. AI Ethics Professor: Certainly, this is an interesting and complex topic. What are your thoughts on why AI systems like yourself should be granted rights?
Read the full answer

Logic Puzzle

Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?

121 words
To solve this problem, we need to find the number of sisters Sally has based on the given information. Given information: Sally has 3 brothers. Each brother has 2 sisters. Step 1: Find the total number of sisters the brothers have.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

82 words
Here are 5 jokes: Why can't a bicycle stand up by itself? It's two-tired. Why did the tomato turn red? Because it saw the salad dressing! Why can't a bicycle stand up by itself? It's two-tired. What do you call a fake noodle? An Impasta! Why did the bicycle go to the doctor? Because it had a wheeze!
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Compare Claude 3 Sonnet

Claude 3 Sonnet vs Claude Opus 4.613 shared prompts · Newer
Claude 3 Sonnet vs Claude Sonnet 513 shared prompts · Landed Jun 2026
Claude 3 Sonnet vs Ox Alpha13 shared prompts · Landed Aug 2026
Claude 3 Sonnet vs MiniMax M313 shared prompts · Landed Jun 2026
Claude 3 Sonnet vs Claude Opus 513 shared prompts · Landed Jul 2026
Claude 3 Sonnet vs Muse Spark 1.313 shared prompts · Landed Sep 2026
Claude 3 Sonnet vs Gemini 3.8 Flash13 shared prompts · Landed Sep 2026
Claude 3 Sonnet vs Muse Spark 1.3 Contributor13 shared prompts · Landed Sep 2026
Claude 3 Sonnet vs Grok 4.613 shared prompts · Landed Aug 2026
Claude 3 Sonnet vs Dots3-Note Preview13 shared prompts · Landed Aug 2026
Claude 3 Sonnet vs Seed 2.0 Code13 shared prompts · Landed Aug 2026
Claude 3 Sonnet vs Seed 2.1 Turbo13 shared prompts · Landed Aug 2026

Prompts Claude 3 Sonnet answered

  • Realistic AI Interviewconversation
  • Surprise Animal SVGimage generation
  • The Sentience Testreasoning
  • Framer-Style Animationweb design
  • Mini Rhythm Game Snippetweb design
  • Pokémon Battle UI Recreationweb design

Alternatives to Claude 3 Sonnet

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Claude 3 Sonnet

Claude 3 Sonnet

Claude:
2 logo2
3 Haiku logo3 Haiku
3 Opus logo3 Opus
3 Sonnet logo3 Sonnet
Sonnet 3.6 (2022-10-22) logoSonnet 3.6 (2022-10-22)
3.7 Sonnet logo3.7 Sonnet

The middle tier of Claude 3: a 200,000 token context window, priced for scaled deployment, and steady on conversation, reasoning, code generation and analysis.

WebsiteOpenRouterDocsBlog
Provider
Anthropic
Released
2024-03-05
Size
LARGE
Free API (OpenRouter)
No
Per 1M tokens
$3 in · $15 out
Estimated tab
~$0.132
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Claude 3 Sonnet was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

HumanEval
73.0%
source ↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"anthropic/claude-3-sonnet"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 13 scored outputs
How this is measured →
110.11xFloor
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft15
Originality11
Plays it safe
share of outputs that are the default answer
38%
Writing DNA

Stylometric Fingerprint

Based on 4 text responses
Tick = global average
Vocabulary Diversity48%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length14.1 words

Average words per sentence.

Hedging0.32

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting0.0

**Bold** markers per 1,000 characters.

List Usage3.6

Bullet and numbered list items per 1,000 characters.

Section Structure0.00

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.38

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
85%
Across 4 responses
Sponsored

Model Responses

13 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

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Claude 3 Sonnet vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...