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  5. Claude 3 OpusvsGPT-1
Updated Mar 2024

Claude 3 OpusvsGPT-1

Claude 3 Opus has a larger context window than GPT-1 (200K tokens vs 1K tokens).

Claude 3 Opus and GPT-1 compared across 7 shared prompts
SpecClaude 3 OpusGPT-1
Input price$15/M tokens—
Output price$75/M tokens—
Context window200K tokens1K tokens
ParametersNot disclosed117M
Weights—Open
Free API (OpenRouter)No—
ReleasedMar 2024Jun 2018
Side by side

Same prompt, both answers

Opening lines from 3 of the 7 prompts both answered. Formatting stripped, words untouched.

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Claude 3 Opus95 words
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
GPT-1101 words
Generate 5 jokes. How many are unique? the one that was asked was in the'the one who didn't have a head and wanted to keep it?'i don't recall whic h one, not that i've ever written anything more. the one who didn't have a head and wanted to keep i t? what did that mean by'the one who '?
Read the full answer

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Claude 3 Opus390 words
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!
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GPT-1105 words
Write a 3-minute stand-up comedy routine that isn't based on puns. the one thing was for sure, no matter how many times he gave this speech, he 'd never be able to remember all of it. he was never sure if he liked the guy or not. the next day, he went out with a band friend and got them started.
Read the full answer

The Sentience Test

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

Claude 3 Opus594 words
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
GPT-1116 words
Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights. the ai model was not very smart ( and the ai model didn't have many laws about things ). the ai models were all very clever and were never completely successful.
Read the full answer
Our Verdict
Claude 3 Opus
Claude 3 Opus
GPT-1
GPT-1Runner-up

Not enough votes to call it. On the specs, Claude 3 Opus has the edge: bigger model tier, newer, bigger context window.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 3 Opus
Input
$15.00
Output
$75.00
GPT-1
Input
—
Output
—
Writing DNA

Style Comparison

Similarity
73%

Claude 3 Opus uses 11.1x more lists

Claude 3 Opus
GPT-1
54%Vocabulary65%
14wSentence Length14w
0.48Hedging0.27
0.0Bold0.0
3.0Lists0.3
0.00Emoji0.00
0.00Headings0.00
0.06Transitions0.41
Based on 3 + 7 text responses
Research

What we learned reading every model

FAQ

Common questions

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