Model vs model

Qwen3.5 Omni Plus 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 · Qwen3.5 Omni Plus
Sources · All public sources

Winner

Qwen3.5 Omni Plus

Qwen

7benchmarks won

Chat / text
Search / tool use

Versus · Everyday chatbot

Qwen3.5 Omni Plus leads this compare set for everyday chatbot.

Qwen3.5 Omni Plus7 of 7 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

Qwen3.5 Omni Plus case

Chat / text
Search / tool use

A.X-K2 case

Chat / text
Reasoning / math / science

What changes the outcome

Qwen3.5 Omni Plus: 116 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

7 of 132 benchmarks


Intelligence Index AA · index Text · Chat / text	2071.4% exact aliasverified runtime Row details Raw value 20 Percentile 71.4% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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	82.6%77.3% exact aliasverified runtime Row details Raw value 82.6% Percentile 77.3% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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	14.9%67.1% exact aliasverified runtime Row details Raw value 14.9% Percentile 67.1% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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	0.6%59.7% exact aliasverified runtime Row details Raw value 0.6% Percentile 59.7% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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
AA-Omniscience accuracy AA · % Text · Chat / text	17.4%38.6% exact aliasverified runtime Row details Raw value 17.4% Percentile 38.6% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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	63%88.1% exact aliasverified runtime Row details Raw value 63% Percentile 88.1% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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	63.7%60.4% exact aliasverified runtime Row details Raw value 63.7% Percentile 60.4% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Qwen3.5 Omni Plus 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

2071.4%

exact aliasverified runtime

Row details

Raw value: 20
Percentile: 71.4%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

82.6%77.3%

exact aliasverified runtime

Row details

Raw value: 82.6%
Percentile: 77.3%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

14.9%67.1%

exact aliasverified runtime

Row details

Raw value: 14.9%
Percentile: 67.1%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

0.6%59.7%

exact aliasverified runtime

Row details

Raw value: 0.6%
Percentile: 59.7%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

AA-Omniscience accuracy

AA · %

Text · Chat / text

17.4%38.6%

exact aliasverified runtime

Row details

Raw value: 17.4%
Percentile: 38.6%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

63%88.1%

exact aliasverified runtime

Row details

Raw value: 63%
Percentile: 88.1%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

63.7%60.4%

exact aliasverified runtime

Row details

Raw value: 63.7%
Percentile: 60.4%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Qwen3.5 Omni Plus

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

Qwen3.5 Omni Plus vs A.X-K2

Qwen3.5 Omni Plus

Qwen3.5 Omni Plus leads this compare set for everyday chatbot.

A.X-K2

Qwen3.5 Omni Plus 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.

Qwen3.5 Omni Plus vs A.X-K2

Qwen3.5 Omni Plus

Qwen3.5 Omni Plus leads this compare set for everyday chatbot.

A.X-K2

Qwen3.5 Omni Plus 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