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

DeepSeek V4 Flash 0731 is developed by DeepSeek while Z.AI: GLM 4.5 Air is developed by Zhipu AI. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Z.AI: GLM 4.5 Air'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 Air?

It depends on your use case. DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 Air 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 Air?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Z.AI: GLM 4.5 Air costs $0.2/M input tokens. DeepSeek V4 Flash 0731 is $0.06/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 Air on Rival?

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

DeepSeek V4 Flash 0731 is developed by DeepSeek while Z.AI: GLM 4.5 Air is developed by Zhipu AI. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Z.AI: GLM 4.5 Air'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 Air?

It depends on your use case. DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 Air 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 Air?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Z.AI: GLM 4.5 Air costs $0.2/M input tokens. DeepSeek V4 Flash 0731 is $0.06/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 Air on Rival?

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

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5 AirRunner-up

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

DeepSeek V4 Flash 0731 is 3.9x 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

1.4× cheaper

Output

$0.28

3.9× cheaper

Z.AI: GLM 4.5 Air

Input

$0.20

Output

$1.10

DeepSeek V4 Flash 0731 is cheaper on both — 1.4× input, 3.9× output

Writing DNA

Style Comparison

Similarity

68%

Z.AI: GLM 4.5 Air uses 9.9x more emoji

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5 Air

52%Vocabulary48%

18wSentence Length16w

0.38Hedging0.40

5.7Bold5.4

3.4Lists4.8

0.00Emoji0.10

0.83Headings0.75

0.04Transitions0.12

Based on 23 + 15 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 Air 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 Air vs Aurora AlphaNew provider

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

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5 AirRunner-up

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

DeepSeek V4 Flash 0731 is 3.9x 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

1.4× cheaper

Output

$0.28

3.9× cheaper

Z.AI: GLM 4.5 Air

Input

$0.20

Output

$1.10

DeepSeek V4 Flash 0731 is cheaper on both — 1.4× input, 3.9× output

Writing DNA

Style Comparison

Similarity

68%

Z.AI: GLM 4.5 Air uses 9.9x more emoji

DeepSeek V4 Flash 0731

Z.AI: GLM 4.5 Air

52%Vocabulary48%

18wSentence Length16w

0.38Hedging0.40

5.7Bold5.4

3.4Lists4.8

0.00Emoji0.10

0.83Headings0.75

0.04Transitions0.12

Based on 23 + 15 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Z.AI: GLM 4.5 Air 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 Air vs MiniMax M3New provider

Z.AI: GLM 4.5 Air vs Aurora AlphaNew provider

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