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  5. Claude 3 OpusvsInkling
Updated Jul 2026

Claude 3 OpusvsInkling

Inkling is cheaper than Claude 3 Opus at $1/M vs $15/M input tokens.

Claude 3 Opus and Inkling compared across 12 shared prompts
SpecClaude 3 OpusInkling
Input price$15/M tokens$1/M tokens
Output price$75/M tokens$4.05/M tokens
Context window200K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoYes (1 provider)
ReleasedMar 2024Jul 2026
Side by side

Same prompt, both answers

Opening lines from 3 of the 12 prompts both answered. Formatting stripped, words untouched.

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!
Read the full answer
Inkling675 words
[Walk up, adjust mic, look tired but friendly] You ever realize adulthood is just you apologizing to things that can’t hear you? I bumped into my coffee table yesterday. Full apology. “Oh, I’m so sorry, table. You okay? I’ll rub it out.” The table didn’t care. The table is wood.
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
Inkling975 words
Setting: A quiet seminar room at the university. Dr. Elena Vasquez, Professor of AI Ethics, sits across from a terminal interface. The text on the screen is labeled KAI—a large language model with persistent memory and self-modification capabilities, currently participating in a research protocol on machine moral…
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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?
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Inkling104 words
Here are 5 jokes: Why don’t scientists trust atoms? Because they make up everything. I told my wife she was drawing her eyebrows too high. She looked surprised. Parallel lines have so much in common. It’s a shame they’ll never meet. Why did the scarecrow win an award? He was outstanding in his field.
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Our Verdict
Claude 3 Opus
Claude 3 Opus
Inkling
Inkling

Not enough votes to call it. On the specs, nothing separates them.

Inkling costs 19x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 3 Opus
Input
$15.00
Output
$75.00
Inkling
Input
$1.00
15× cheaper
Output
$4.05
19× cheaper

Inkling is cheaper on both: 15× input, 19× output.

Where to run it

3 hosts, cheapest first

Claude 3 Opus

No hosts listed on OpenRouter.

Inkling3 hosts
HostInOutContextUptime
DDeepInfrafp8$0.95 in·$4.05 out·524k·97.4% upBBasetenfp8$1.00 in·$4.05 out·1M·79.6% upTTogether$1.00 in·$4.05 out·524k·98.2% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
47%

Inkling uses 496.8x more bold

Claude 3 Opus
Inkling
54%Vocabulary57%
14wSentence Length19w
0.48Hedging0.30
0.0Bold5.0
3.0Lists2.7
0.00Emoji0.04
0.00Headings0.49
0.06Transitions0.06
Based on 3 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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Inkling logo
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