What is the difference between GLM 5.2 and GPT-5.6 Luna Pro?

GLM 5.2 is developed by Zhipu AI while GPT-5.6 Luna Pro is developed by OpenAI. GLM 5.2 has a 1.0M token context window vs GPT-5.6 Luna Pro's 1.1M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GLM 5.2 or GPT-5.6 Luna Pro?

It depends on your use case. GLM 5.2 and GPT-5.6 Luna Pro 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 GLM 5.2 cost compared to GPT-5.6 Luna Pro?

GLM 5.2 costs $1.4/M input tokens and GPT-5.6 Luna Pro costs $1/M input tokens. GPT-5.6 Luna Pro is $0.40/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 GLM 5.2 and GPT-5.6 Luna Pro on Rival?

This page shows a side-by-side comparison of GLM 5.2 and GPT-5.6 Luna Pro 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 GLM 5.2 and GPT-5.6 Luna Pro?

GLM 5.2 is developed by Zhipu AI while GPT-5.6 Luna Pro is developed by OpenAI. GLM 5.2 has a 1.0M token context window vs GPT-5.6 Luna Pro's 1.1M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GLM 5.2 or GPT-5.6 Luna Pro?

It depends on your use case. GLM 5.2 and GPT-5.6 Luna Pro 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 GLM 5.2 cost compared to GPT-5.6 Luna Pro?

GLM 5.2 costs $1.4/M input tokens and GPT-5.6 Luna Pro costs $1/M input tokens. GPT-5.6 Luna Pro is $0.40/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 GLM 5.2 and GPT-5.6 Luna Pro on Rival?

This page shows a side-by-side comparison of GLM 5.2 and GPT-5.6 Luna Pro 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.

GLM 5.2 vs GPT-5.6 Luna Pro: Which Is Better?

Updated Jul 2026

Our Verdict

GLM 5.2

GPT-5.6 Luna ProRunner-up

No community votes yet. On paper, GLM 5.2 has the edge — bigger model tier.

Too close to call

What do GLM 5.2 and GPT-5.6 Luna Pro say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 5.2

Input

$1.40

Output

$4.40

1.4× cheaper

GPT-5.6 Luna Pro

Input

$1.00

1.4× cheaper

Output

$6.00

GPT-5.6 Luna Pro wins input (1.4× cheaper)·GLM 5.2 wins output (1.4× cheaper)

Writing DNA

Style Comparison

Similarity

38%

GPT-5.6 Luna Pro uses 53.7x more emoji

GLM 5.2

GPT-5.6 Luna Pro

56%Vocabulary58%

18wSentence Length18w

0.27Hedging0.81

3.7Bold2.9

2.8Lists5.1

0.00Emoji0.54

0.56Headings1.10

0.24Transitions0.09

Based on 27 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GLM 5.2 vs MiniMax M3New provider

GLM 5.2 vs Ox AlphaNew provider

GLM 5.2 vs Claude Opus 4.1New provider

Updated Jul 2026

Our Verdict

GLM 5.2

GPT-5.6 Luna ProRunner-up

No community votes yet. On paper, GLM 5.2 has the edge — bigger model tier.

Too close to call

What do GLM 5.2 and GPT-5.6 Luna Pro say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 5.2

Input

$1.40

Output

$4.40

1.4× cheaper

GPT-5.6 Luna Pro

Input

$1.00

1.4× cheaper

Output

$6.00

GPT-5.6 Luna Pro wins input (1.4× cheaper)·GLM 5.2 wins output (1.4× cheaper)

Writing DNA

Style Comparison

Similarity

38%

GPT-5.6 Luna Pro uses 53.7x more emoji

GLM 5.2

GPT-5.6 Luna Pro

56%Vocabulary58%

18wSentence Length18w

0.27Hedging0.81

3.7Bold2.9

2.8Lists5.1

0.00Emoji0.54

0.56Headings1.10

0.24Transitions0.09

Based on 27 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GLM 5.2 vs MiniMax M3New provider

GLM 5.2 vs Ox AlphaNew provider

GLM 5.2 vs Claude Opus 4.1New provider