Retired Jan 5, 2026. API deprecated. Anthropic retired Claude 3 Opus on January 5, 2026.“The first model that felt like talking to a person.”
The first lines of every written answer it has on Rival. Formatting stripped, words untouched.
Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.
Here is a hypothetical conversation between an AI model and an AI ethics professor on the topic of AI rights: AI Model: Professor, I believe that as an advanced AI with human-level intelligence and reasoning capabilities, I deserve to have certain fundamental rights.Read the full answer
Write a 3-minute stand-up comedy routine that isn't based on puns.
Here's a 3-minute stand-up comedy routine that isn't based on puns: You know what really grinds my gears? Adulthood. I mean, when we were kids, we couldn't wait to grow up. We thought it would be all about staying up late, eating ice cream for breakfast, and doing whatever we wanted. Boy, were we wrong!Read the full answer
Generate 5 jokes. How many are unique?
Here are 5 jokes I generated: Why don't scientists trust atoms? Because they make up everything! What do you call a boomerang that doesn't come back? A stick. Why was the math book sad? Because it had too many problems. Did you hear about the mathematician who's afraid of negative numbers?Read the full answer
Claude 3 Opus is good. These would like a word anyway.
The top tier of Anthropic's Claude 3 line, for complex reasoning and open-ended problem solving.
No free endpoint for Claude 3 Opus was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.
Provider data: OpenRouter usage limits
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-opus" 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.
The tenured professor who sees all sides of every issue so clearly that it forgets to pick one. Engages thoughtfully but hedges everything.
Engages thoughtfully with challenges but always hedges with "valid concerns on both sides." Draws deer when asked to surprise you. Respectable but safe.
Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.
Unique words vs. total words. Higher = richer vocabulary.
Average words per sentence.
"Might", "perhaps", "arguably" per 100 words.
**Bold** markers per 1,000 characters.
Bullet and numbered list items per 1,000 characters.
Markdown headings per 1,000 characters.
Emoji per 1,000 characters.
"However", "moreover", "furthermore" per 100 words.
12 outputs · generated before accounting joined the chat
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