What is the difference between DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5?

DeepSeek V4 Flash 0731 is developed by DeepSeek while Z.AI: GLM 4.5 is developed by Zhipu AI. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Z.AI: GLM 4.5's 128K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or Z.AI: GLM 4.5?

It depends on your use case. DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to Z.AI: GLM 4.5?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Z.AI: GLM 4.5 costs $0.6/M input tokens. DeepSeek V4 Flash 0731 is $0.46/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 DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Z.AI: GLM 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 DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5?

DeepSeek V4 Flash 0731 is developed by DeepSeek while Z.AI: GLM 4.5 is developed by Zhipu AI. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Z.AI: GLM 4.5's 128K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or Z.AI: GLM 4.5?

It depends on your use case. DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to Z.AI: GLM 4.5?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Z.AI: GLM 4.5 costs $0.6/M input tokens. DeepSeek V4 Flash 0731 is $0.46/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 DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Z.AI: GLM 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.

DeepSeek V4 Flash 0731 vs Z.AI: GLM 4.5: Which Is Better?

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5Runner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — newer, bigger context window.

DeepSeek V4 Flash 0731 is 7.9x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek V4 Flash 0731

Input

$0.14

4.3× cheaper

Output

$0.28

7.9× cheaper

Z.AI: GLM 4.5

Input

$0.60

Output

$2.20

DeepSeek V4 Flash 0731 is cheaper on both — 4.3× input, 7.9× output

Writing DNA

Style Comparison

Similarity

43%

Z.AI: GLM 4.5 uses 13.1x more emoji

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5

52%Vocabulary52%

18wSentence Length14w

0.38Hedging0.49

5.7Bold5.5

3.4Lists4.9

0.00Emoji0.13

0.83Headings0.68

0.04Transitions0.20

Based on 23 + 21 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 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

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Z.AI: GLM 4.5 vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5Runner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — newer, bigger context window.

DeepSeek V4 Flash 0731 is 7.9x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek V4 Flash 0731

Input

$0.14

4.3× cheaper

Output

$0.28

7.9× cheaper

Z.AI: GLM 4.5

Input

$0.60

Output

$2.20

DeepSeek V4 Flash 0731 is cheaper on both — 4.3× input, 7.9× output

Writing DNA

Style Comparison

Similarity

43%

Z.AI: GLM 4.5 uses 13.1x more emoji

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5

52%Vocabulary52%

18wSentence Length14w

0.38Hedging0.49

5.7Bold5.5

3.4Lists4.9

0.00Emoji0.13

0.83Headings0.68

0.04Transitions0.20

Based on 23 + 21 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 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

Z.AI: GLM 4.5 vs MiniMax M3New provider

Z.AI: GLM 4.5 vs Aurora AlphaNew provider

Z.AI: GLM 4.5 vs Claude Sonnet 4New provider