What is the difference between GPT-4.1 and Thinking Machines: Inkling?

GPT-4.1 is developed by OpenAI while Thinking Machines: Inkling is developed by Thinking Machines. GPT-4.1 has a 1.0M token context window vs Thinking Machines: Inkling's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 or Thinking Machines: Inkling?

It depends on your use case. GPT-4.1 and Thinking Machines: Inkling each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4.1 cost compared to Thinking Machines: Inkling?

GPT-4.1 costs $2/M input tokens and Thinking Machines: Inkling costs $1/M input tokens. Thinking Machines: Inkling is $1.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-4.1 and Thinking Machines: Inkling on Rival?

This page shows a side-by-side comparison of GPT-4.1 and Thinking Machines: Inkling across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between GPT-4.1 and Thinking Machines: Inkling?

GPT-4.1 is developed by OpenAI while Thinking Machines: Inkling is developed by Thinking Machines. GPT-4.1 has a 1.0M token context window vs Thinking Machines: Inkling's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 or Thinking Machines: Inkling?

It depends on your use case. GPT-4.1 and Thinking Machines: Inkling each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4.1 cost compared to Thinking Machines: Inkling?

GPT-4.1 costs $2/M input tokens and Thinking Machines: Inkling costs $1/M input tokens. Thinking Machines: Inkling is $1.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-4.1 and Thinking Machines: Inkling on Rival?

This page shows a side-by-side comparison of GPT-4.1 and Thinking Machines: Inkling across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

GPT-4.1 vs Thinking Machines: Inkling: Which Is Better?

Updated Jul 2026

Our Verdict

GPT-4.1

Thinking Machines: Inkling

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1

Input

$2.00

Output

$8.00

Thinking Machines: Inkling

Input

$1.00

2.0× cheaper

Output

$4.05

2.0× cheaper

Thinking Machines: Inkling is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

57%

GPT-4.1 uses 6.1x more emoji

GPT-4.1

Thinking Machines: Inkling

58%Vocabulary57%

19wSentence Length19w

0.38Hedging0.30

9.0Bold5.0

6.1Lists2.7

0.24Emoji0.04

1.01Headings0.49

0.07Transitions0.06

Based on 25 + 27 text responses

Research

What we learned reading every model

GPT-4.1 and Thinking Machines: Inkling have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-4.1 vs MiniMax M3New provider

Thinking Machines: Inkling vs GPT-5Cross-provider

GPT-4.1 vs Llama 4 MaverickNew provider

Updated Jul 2026

Our Verdict

GPT-4.1

Thinking Machines: Inkling

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1

Input

$2.00

Output

$8.00

Thinking Machines: Inkling

Input

$1.00

2.0× cheaper

Output

$4.05

2.0× cheaper

Thinking Machines: Inkling is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

57%

GPT-4.1 uses 6.1x more emoji

GPT-4.1

Thinking Machines: Inkling

58%Vocabulary57%

19wSentence Length19w

0.38Hedging0.30

9.0Bold5.0

6.1Lists2.7

0.24Emoji0.04

1.01Headings0.49

0.07Transitions0.06

Based on 25 + 27 text responses

Research

What we learned reading every model

GPT-4.1 and Thinking Machines: Inkling have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-4.1 vs MiniMax M3New provider

Thinking Machines: Inkling vs GPT-5Cross-provider

GPT-4.1 vs Llama 4 MaverickNew provider