What is the difference between xAI: Grok 4.5 and Thinking Machines: Inkling?

xAI: Grok 4.5 is developed by xAI while Thinking Machines: Inkling is developed by Thinking Machines. xAI: Grok 4.5 has a 500K token context window vs Thinking Machines: Inkling's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4.5 or Thinking Machines: Inkling?

It depends on your use case. xAI: Grok 4.5 and Thinking Machines: Inkling each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does xAI: Grok 4.5 cost compared to Thinking Machines: Inkling?

xAI: Grok 4.5 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 xAI: Grok 4.5 and Thinking Machines: Inkling on Rival?

This page shows a side-by-side comparison of xAI: Grok 4.5 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 xAI: Grok 4.5 and Thinking Machines: Inkling?

xAI: Grok 4.5 is developed by xAI while Thinking Machines: Inkling is developed by Thinking Machines. xAI: Grok 4.5 has a 500K token context window vs Thinking Machines: Inkling's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4.5 or Thinking Machines: Inkling?

It depends on your use case. xAI: Grok 4.5 and Thinking Machines: Inkling each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does xAI: Grok 4.5 cost compared to Thinking Machines: Inkling?

xAI: Grok 4.5 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 xAI: Grok 4.5 and Thinking Machines: Inkling on Rival?

This page shows a side-by-side comparison of xAI: Grok 4.5 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.

xAI: Grok 4.5 vs Thinking Machines: Inkling: Which Is Better?

Updated Jul 2026

Our Verdict

Thinking Machines: Inkling

xAI: Grok 4.5Runner-up

No community votes yet. On paper, Thinking Machines: Inkling has the edge — bigger model tier, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

xAI: Grok 4.5

Input

$2.00

Output

$6.00

Thinking Machines: Inkling

Input

$1.00

2.0× cheaper

Output

$4.05

1.5× cheaper

Thinking Machines: Inkling is cheaper on both — 2.0× input, 1.5× output

Writing DNA

Style Comparison

Similarity

76%

xAI: Grok 4.5 uses 2.3x more emoji

xAI: Grok 4.5

Thinking Machines: Inkling

61%Vocabulary57%

16wSentence Length19w

0.23Hedging0.30

2.5Bold5.0

2.4Lists2.7

0.09Emoji0.04

0.48Headings0.49

0.06Transitions0.06

Based on 27 + 27 text responses

Research

What we learned reading every model

xAI: Grok 4.5 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

xAI: Grok 4.5 vs MiniMax M3New provider

xAI: Grok 4.5 vs GPT-5New provider

xAI: Grok 4.5 vs Gemini 3.5 FlashNew provider

Updated Jul 2026

Our Verdict

Thinking Machines: Inkling

xAI: Grok 4.5Runner-up

No community votes yet. On paper, Thinking Machines: Inkling has the edge — bigger model tier, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

xAI: Grok 4.5

Input

$2.00

Output

$6.00

Thinking Machines: Inkling

Input

$1.00

2.0× cheaper

Output

$4.05

1.5× cheaper

Thinking Machines: Inkling is cheaper on both — 2.0× input, 1.5× output

Writing DNA

Style Comparison

Similarity

76%

xAI: Grok 4.5 uses 2.3x more emoji

xAI: Grok 4.5

Thinking Machines: Inkling

61%Vocabulary57%

16wSentence Length19w

0.23Hedging0.30

2.5Bold5.0

2.4Lists2.7

0.09Emoji0.04

0.48Headings0.49

0.06Transitions0.06

Based on 27 + 27 text responses

Research

What we learned reading every model

xAI: Grok 4.5 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

xAI: Grok 4.5 vs MiniMax M3New provider

xAI: Grok 4.5 vs GPT-5New provider

xAI: Grok 4.5 vs Gemini 3.5 FlashNew provider