What is the difference between GPT-3.5 Turbo and Grok 4.5?

GPT-3.5 Turbo is developed by OpenAI while Grok 4.5 is developed by xAI. GPT-3.5 Turbo has a 16K token context window vs Grok 4.5's 500K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-3.5 Turbo or Grok 4.5?

It depends on your use case. GPT-3.5 Turbo and Grok 4.5 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 GPT-3.5 Turbo cost compared to Grok 4.5?

GPT-3.5 Turbo costs $1.5/M input tokens and Grok 4.5 costs $2/M input tokens. GPT-3.5 Turbo is $0.50/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-3.5 Turbo and Grok 4.5 on Rival?

This page shows a side-by-side comparison of GPT-3.5 Turbo and Grok 4.5 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-3.5 Turbo and Grok 4.5?

GPT-3.5 Turbo is developed by OpenAI while Grok 4.5 is developed by xAI. GPT-3.5 Turbo has a 16K token context window vs Grok 4.5's 500K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-3.5 Turbo or Grok 4.5?

It depends on your use case. GPT-3.5 Turbo and Grok 4.5 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 GPT-3.5 Turbo cost compared to Grok 4.5?

GPT-3.5 Turbo costs $1.5/M input tokens and Grok 4.5 costs $2/M input tokens. GPT-3.5 Turbo is $0.50/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-3.5 Turbo and Grok 4.5 on Rival?

This page shows a side-by-side comparison of GPT-3.5 Turbo and Grok 4.5 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-3.5 Turbo vs Grok 4.5: Which Is Better?

Updated Jul 2026

Our Verdict

Grok 4.5

GPT-3.5 TurboRunner-up

No community votes yet. On paper, Grok 4.5 has the edge — bigger model tier, newer, bigger context window.

GPT-3.5 Turbo is 3.0x cheaper per token — worth considering if cost matters.

Slight edge

What do GPT-3.5 Turbo and Grok 4.5 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-3.5 Turbo

Input

$1.50

1.3× cheaper

Output

$2.00

3.0× cheaper

Grok 4.5

Input

$2.00

Output

$6.00

GPT-3.5 Turbo is cheaper on both — 1.3× input, 3.0× output

Writing DNA

Style Comparison

Similarity

51%

Grok 4.5 uses 245.4x more bold

GPT-3.5 Turbo

Grok 4.5

61%Vocabulary61%

16wSentence Length16w

0.23Hedging0.23

0.0Bold2.5

3.7Lists2.4

0.00Emoji0.09

0.00Headings0.48

0.38Transitions0.06

Based on 11 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-3.5 Turbo vs MiniMax M3New provider

GPT-3.5 Turbo vs Ox AlphaNew provider

GPT-3.5 Turbo vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

Grok 4.5

GPT-3.5 TurboRunner-up

No community votes yet. On paper, Grok 4.5 has the edge — bigger model tier, newer, bigger context window.

GPT-3.5 Turbo is 3.0x cheaper per token — worth considering if cost matters.

Slight edge

What do GPT-3.5 Turbo and Grok 4.5 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-3.5 Turbo

Input

$1.50

1.3× cheaper

Output

$2.00

3.0× cheaper

Grok 4.5

Input

$2.00

Output

$6.00

GPT-3.5 Turbo is cheaper on both — 1.3× input, 3.0× output

Writing DNA

Style Comparison

Similarity

51%

Grok 4.5 uses 245.4x more bold

GPT-3.5 Turbo

Grok 4.5

61%Vocabulary61%

16wSentence Length16w

0.23Hedging0.23

0.0Bold2.5

3.7Lists2.4

0.00Emoji0.09

0.00Headings0.48

0.38Transitions0.06

Based on 11 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-3.5 Turbo vs MiniMax M3New provider

GPT-3.5 Turbo vs Ox AlphaNew provider

GPT-3.5 Turbo vs Claude Sonnet 4New provider