VerdictPal · editorial desk · updated 16 Oct 2026VerdictPal

Compare · Two models, head-to-head

Pick two models. See the diff.

Composite scores, benchmark ranks, capability grids, and pricing per million tokens. All sourced from the same data that powers the model atlas.

Tools Models

GLM-5.3 vs GLM-5.3-Flash

Model A

Model B

MODEL A

GLM-5.3

Zhipu · GLM

Composite 54Intel 548 rows2 sources

Z.ai's August 2026 coding refresh of the GLM-5.2 base. API list price $1.40 / $4.40 per 1M tokens — same slot as GLM-5.2.

MODEL B

GLM-5.3-Flash

Zhipu · GLM

Composite 69Intel 696 rows1 sources

Z.ai's 26 Aug 2026 Flash sibling of GLM-5.3.

GLM-5.31stats won

Tied1stats

GLM-5.3-Flash4stats won

Spec showdown

Capacity, price, freshness.

GLM-5.3vsGLM-5.3-Flash

GLM-5.3-Flash leads on composite score (69 vs 54), with deeper benchmark coverage across more families. GLM-5.3-Flash has the higher benchmark mix (69 vs 54). GLM-5.3-Flash is significantly cheaper at $0.15/1M input vs $1.4/1M input. GLM-5.3-Flash's 1M context window dwarfs GLM-5.3's 0 — a meaningful difference for long-document or codebase work.

Composite score
GLM-5.354GLM-5.3-Flash69Winner on this row
Benchmark mix
GLM-5.354GLM-5.3-Flash69Winner on this row
Context window
GLM-5.3UnlistedGLM-5.3-Flash1MWinner on this row
Max output
GLM-5.3—GLM-5.3-Flash—
Input price / 1M (lower wins)
GLM-5.3$1.4GLM-5.3-Flash$0.15Winner on this row
Output speed (AA default API)
GLM-5.366 t/sWinner on this rowGLM-5.3-Flash61 t/s

Composite score

Benchmark mix

Context window

Unlisted

Max output

—

Input price / 1M (lower wins)

$1.4

$0.15

Output speed (AA default API)

66 t/s

61 t/s

Capability grid

What each model can do.

Modalities

GLM-5.3GLM-5.3-Flash

Text●●

Image——

Audio——

Video——

Code●●

Tool use●●

Reasoning●●

Access

GLM-5.3GLM-5.3-Flash

API●●

Consumer app——

Open weights—●

Managed cloud●—

On-device——

Family profile

Top score per benchmark family.

Reasoning

Coding

Agentic

Long context

Benchmark ranks

Every shared benchmark, side by side.

Reasoning

GPQA Diamond#29/184 · #33/184

91.7%

91.2%

Humanity's Last Exam#34/186 · #44/186

42.3%

39.9%

Coding

SciCode#6/97 · #38/97

59%

51.6%

Agentic

Terminal-Bench#18/167 · #16/167

83.9%

84.27%

Long context

AA-LCR#45/184 · #41/184

79.67%

80%

Performance

AA output speed#92/195 · #100/195

66 t/s

61 t/s

Dossier facts

Dates, sources, fineprint.

GLM-5.3GLM-5.3-Flash

ProviderZhipuZhipu

FamilyGLMGLM

Release date2026-08-142026-08-26

Knowledge cutoffunpublishedunpublished

Context windowUnlisted1M

Max output——

Input price /1M$1.4$0.15

Output price /1M$4.4$0.50

Statussolidsolid

Composite score5469

Intelligence score5469

Intel sourcecompositecomposite

Benchmark rows86

Source count21

Freshnessfreshfresh

Pricing checked2026-08-242026-09-01

Ecosystem

Which tools wrap each model.

GLM-5.3

Not listed in any tool yet.

GLM-5.3-Flash

Not listed in any tool yet.

Verdict

Which model to actually pick.

Open GLM-5.3's dossier Open GLM-5.3-Flash's dossier

Questions this comparison answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

Should you use GLM-5.3 or GLM-5.3-Flash?

Is GLM-5.3 or GLM-5.3-Flash cheaper?

GLM-5.3: $1.4 / $4.4. GLM-5.3-Flash: $0.15 / $0.50.

How do the GLM-5.3 and GLM-5.3-Flash context windows compare?

GLM-5.3: Unlisted. GLM-5.3-Flash: 1M.