Model vs model

glm-5.3-flash vs A.X-K2

A debate-ready pair page: current winner, strongest alternative, decisive benchmarks, and the warning that should travel with the claim.

Use case · Everyday chatbot
Winner · glm-5.3-flash
Sources · All public sources

Winner

glm-5.3-flash

Zhipu

8benchmarks won

Reasoning / math / science

Versus · Everyday chatbot

glm-5.3-flash leads this compare set for everyday chatbot.

glm-5.3-flash8 of 8 wins

Verified and stable

0 shared benchmarks are still too close to call, so the win stays conditional. This compare uses all public sources, with provider-official evidence labeled separately.

Close calls: 0
Sources: All public

Full compare workspace Disagreement page

100%win share

Challenger

A.X-K2

Unknown

0benchmarks won

Chat / text
Reasoning / math / science

The cases in full

glm-5.3-flash case

Reasoning / math / science

A.X-K2 case

Chat / text
Reasoning / math / science

What changes the outcome

glm-5.3-flash: 67 visible benchmark gaps still leave room for the result to move.
A.X-K2: 124 visible benchmark gaps still leave room for the result to move.

Why this result is surprising

The visible shared evidence is more decisive than usual for this compare set.
Very few shared benchmarks are decisively separating these models.

Why this is not a clean win

0 shared benchmarks are still too close to call, so the win stays conditional. This compare uses all public sources, with provider-official evidence labeled separately.
A.X-K2 remains the strongest alternative once you change use case, mode, or missing-evidence assumptions.

Open full compare workspace Open evidence page Open disagreement page

Decisive benchmarks

8 of 132 benchmarks


Intelligence Index AA · index Text · Chat / text	4292.1% exact aliasverified runtime Row details Raw value 42 Percentile 92.1% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	23n/a exact aliasverified runtimeContext only Row details Raw value 23 Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
GPQA AA · % Text · Reasoning / math / science	91.2%92.7% exact aliasverified runtime Row details Raw value 91.2% Percentile 92.7% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	85.7%n/a exact aliasverified runtimeContext only Row details Raw value 85.7% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
Humanity's Last Exam AA · % Text · Reasoning / math / science	39.9%88.4% exact aliasverified runtime Row details Raw value 39.9% Percentile 88.4% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	29.6%n/a exact aliasverified runtimeContext only Row details Raw value 29.6% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
CritPt AA · % Text · Reasoning / math / science	15.4%86.6% exact aliasverified runtime Row details Raw value 15.4% Percentile 86.6% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	8.9%n/a exact aliasverified runtimeContext only Row details Raw value 8.9% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
SciCode AA · % Code · Coding	51.6%64.6% exact aliasverified runtime Row details Raw value 51.6% Percentile 64.6% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	41%n/a exact aliasverified runtimeContext only Row details Raw value 41% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
AA-Omniscience accuracy AA · % Text · Chat / text	27.5%69.5% exact aliasverified runtime Row details Raw value 27.5% Percentile 69.5% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	18.6%n/a exact aliasverified runtimeContext only Row details Raw value 18.6% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
AA-Omniscience non-hallucination AA · % Text · Chat / text	72.4%94.9% exact aliasverified runtime Row details Raw value 72.4% Percentile 94.9% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	67%n/a exact aliasverified runtimeContext only Row details Raw value 67% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a
Long Context Reasoning AA · % Document · Long context	80%88.5% exact aliasverified runtime Row details Raw value 80% Percentile 88.5% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GLM 5.3 Flash Source row	70%n/a exact aliasverified runtimeContext only Row details Raw value 70% Percentile n/a Last updated recent Eligibility benchmark_derived_model Identity provider alias (0.94) Source label A.X-K2 Source row	n/a

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Intelligence Index

AA · index

Text · Chat / text

4292.1%

exact aliasverified runtime

Row details

Raw value: 42
Percentile: 92.1%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

23n/a

exact aliasverified runtimeContext only

Row details

Raw value: 23
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

GPQA

AA · %

Text · Reasoning / math / science

91.2%92.7%

exact aliasverified runtime

Row details

Raw value: 91.2%
Percentile: 92.7%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

85.7%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 85.7%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

Humanity's Last Exam

AA · %

Text · Reasoning / math / science

39.9%88.4%

exact aliasverified runtime

Row details

Raw value: 39.9%
Percentile: 88.4%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

29.6%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 29.6%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

CritPt

AA · %

Text · Reasoning / math / science

15.4%86.6%

exact aliasverified runtime

Row details

Raw value: 15.4%
Percentile: 86.6%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

8.9%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 8.9%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

SciCode

AA · %

Code · Coding

51.6%64.6%

exact aliasverified runtime

Row details

Raw value: 51.6%
Percentile: 64.6%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

41%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 41%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

AA-Omniscience accuracy

AA · %

Text · Chat / text

27.5%69.5%

exact aliasverified runtime

Row details

Raw value: 27.5%
Percentile: 69.5%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

18.6%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 18.6%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

AA-Omniscience non-hallucination

AA · %

Text · Chat / text

72.4%94.9%

exact aliasverified runtime

Row details

Raw value: 72.4%
Percentile: 94.9%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

67%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 67%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

Long Context Reasoning

AA · %

Document · Long context

80%88.5%

exact aliasverified runtime

Row details

Raw value: 80%
Percentile: 88.5%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GLM 5.3 Flash

Source row

70%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 70%
Percentile: n/a
Last updated: recent
Eligibility: benchmark_derived_model
Identity: provider alias (0.94)
Source label: A.X-K2

Source row

n/a

glm-5.3-flash vs A.X-K2

glm-5.3-flash

glm-5.3-flash leads this compare set for everyday chatbot.

A.X-K2

glm-5.3-flash case

A.X-K2 case

What changes the outcome

Why this result is surprising

Why this is not a clean win

Share the recommendation with the source data attached.

Open or copy the stable surfaces

Use the exact public framing

Pick the voice before you post

Compose a post that keeps the warning attached

Decisive benchmarks

Loading model comparison.

glm-5.3-flash vs A.X-K2

glm-5.3-flash

glm-5.3-flash leads this compare set for everyday chatbot.

A.X-K2

glm-5.3-flash case

A.X-K2 case

What changes the outcome

Why this result is surprising

Why this is not a clean win

Share the recommendation with the source data attached.

Open or copy the stable surfaces

Use the exact public framing

Pick the voice before you post

Compose a post that keeps the warning attached

Decisive benchmarks