VerdictPal · editorial desk · updated 1 Sep 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 6011 rows2 sources

Z.ai's August 2026 coding refresh of the GLM-5.2 base. Artificial Analysis Intelligence Index 59.5 on the max-effort endpoint. 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 63Intel 589 rows1 sources

Z.ai's 26 Aug 2026 Flash sibling of GLM-5.3. Artificial Analysis Intelligence Index 57.5 — two points behind GLM-5.3 max at a tenth of the list price ($0.15 / $0.50 per 1M tokens).

GLM-5.32stats won

Tied1stats

GLM-5.3-Flash4stats won

Spec showdown

Capacity, price, freshness.

GLM-5.3vsGLM-5.3-Flash

GLM-5.3-Flash holds a narrow composite edge (63 vs 54), but the gap is small enough that other factors matter more. GLM-5.3 has the higher Vals/AA intelligence score (60 vs 58). 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-Flash63Winner on this row
Intelligence (Vals/AA)
GLM-5.360Winner on this rowGLM-5.3-Flash58
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-5.373 t/sWinner on this rowGLM-5.3-Flash42 t/s
Time to first token (AA default API)
GLM-5.31.56sGLM-5.3-Flash1.41sWinner on this row

Composite score

Intelligence (Vals/AA)

Context window

Unlisted

Max output

—

Input price / 1M (lower wins)

$1.4

$0.15

Output speed (AA default API)

73 t/s

42 t/s

Time to first token (AA default API)

1.56s

1.41s

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

Artificial Analysis Intelligence Index#9/184 · #13/184

59.5%

57.5%

GPQA Diamond#25/185 · #29/185

91.7%

91.2%

Humanity's Last Exam#26/180 · #36/180

42.3%

39.9%

Coding

SciCode#7/180 · #73/180

56.5%

46.1%

Agentic

Terminal-Bench#14/184 · #12/184

83.9%

84.27%

τ³-Bench Banking#3/106 · #6/106

50.31%

47.22%

Long context

AA-LCR#38/179 · #20/179

76.33%

78%

Performance

AA output speed#54/185 · #76/185

73 t/s

42 t/s

AA time to first token#41/185 · #48/185

1.56s

1.41s

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 score5463

Intelligence score6058

Intel sourceaaaa

Benchmark rows119

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