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Model A
Hy4 preview

Tencent

61.08/100

Estimated · Public rank #60

90% interval 37.477.5

Hy4 preview vs K-EXAONE 2.0

Updated September 10, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.

LG AI Research logo
Model B
K-EXAONE 2.0

LG AI Research

Evidence status unavailable

90% interval unavailable

Decision reading

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.

4 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

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Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Long documents

    Prompts that approach the documented context limit

    Hy4 preview

    Hy4 preview has the larger documented context window.

    Confidence: documented

Show secondary and unsupported calls
  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    K-EXAONE 2.0 is not ranked on the public lane for coding, so no winner is named for coding.

    Confidence: limited

  • Agentic work

    Tool use, computer use, and multi-step task completion

    Not enough matched evidence

    K-EXAONE 2.0 is not ranked on the public lane for agentic, so no winner is named for agentic.

    Confidence: limited

  • Chat turn cost

    1K fresh input + 500 output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates

  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates

  • Repository review cost

    50K fresh input + 3K output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

Shared results
4
Hy4 preview only
24
K-EXAONE 2.0 only
11
Like-for-like categories
0 / 8

Category results, on a stated basis

Each row shows the public-lane category score for both models: the BenchAlign lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.

Agentic

Not comparable
Hy4 preview
58.2
Estimated · #30/152
K-EXAONE 2.0
Not ranked
Basis
BenchAlign lane · 13 vs 2 public rows
Reading
Not comparable

Coding

Not comparable
Hy4 preview
59.2
Estimated · #24/151
K-EXAONE 2.0
Not ranked
Basis
BenchAlign lane · 8 vs 3 public rows
Reading
Not comparable

Reasoning

Not comparable
Hy4 preview
Not ranked
K-EXAONE 2.0
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Knowledge

Not comparable
Hy4 preview
56.5
Estimated · #47/183
K-EXAONE 2.0
Not ranked
Basis
BenchAlign lane · 4 vs 4 public rows
Reading
Not comparable

Math

Not comparable
Hy4 preview
Not ranked
K-EXAONE 2.0
Not ranked
Basis
Provisional lane · 0 vs 2 weighted rows
Reading
Not comparable

Multilingual

Not comparable
Hy4 preview
Not ranked
K-EXAONE 2.0
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Hy4 preview
84.8
Unranked · 1 rankable row
K-EXAONE 2.0
Not ranked
Basis
Provisional lane · 1 vs 0 weighted rows
Reading
Not comparable

Instruction following

Not comparable
Hy4 preview
Not ranked
K-EXAONE 2.0
Not ranked
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign) differ from the provisional-lane categories. Unranked scores sit on the lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

Hy4 preview
Self-hosted; infrastructure cost varies
Fits in one request
K-EXAONE 2.0
Self-hosted; infrastructure cost varies
Fits in one request

Hy4 preview has no comparable published API token rate. K-EXAONE 2.0 has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Hy4 preview
Self-hosted; infrastructure cost varies
Fits in one request
K-EXAONE 2.0
Self-hosted; infrastructure cost varies
Fits in one request

Hy4 preview has no comparable published API token rate. K-EXAONE 2.0 has no comparable published API token rate.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

Hy4 preview
Self-hosted; infrastructure cost varies
Fits in one request
Cached-input rate unavailable
K-EXAONE 2.0
Self-hosted; infrastructure cost varies
Fits in one request
Cached-input rate unavailable

Hy4 preview has no comparable published API token rate. K-EXAONE 2.0 has no comparable published API token rate.

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Documented inputs

Hy4 preview

Not sourced

K-EXAONE 2.0

Not sourced

Documented outputs

Hy4 preview

Not sourced

K-EXAONE 2.0

Not sourced

Provider availability

Hy4 preview

Not sourced

K-EXAONE 2.0

Not sourced

Reasoning profile

Hy4 preview

Reasoning

K-EXAONE 2.0

Reasoning

Weight access

Hy4 preview

Open Weight

K-EXAONE 2.0

Open Weight

License

Hy4 preview

Open Weight

K-EXAONE 2.0

Open Weight

Release date

Hy4 preview

2026-08-28

K-EXAONE 2.0

2026-07-31

If you already use one of these models
Deployment change
The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
Quality signal
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Hy4 preview has the larger documented window (1M).

Run the same representative tasks against both endpoints before changing production traffic.

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence39 rows

Agentic

  • Terminal-Bench 2.1

    Hy4 preview85.4%
    Source
    K-EXAONE 2.043.8%
    Source

    Hy4 preview leads this result

  • CyberGym

    Hy4 preview78.4%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • WideResearch

    Hy4 preview83.9%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • DRACO

    Hy4 preview77.2%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • MCP Atlas

    Hy4 preview83.7%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • Toolathlon-Verified

    Hy4 preview74.1%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • APEX-Agents

    Hy4 preview37.1%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • skillsBench

    Hy4 preview62.9%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • JobBench

    Hy4 preview61.7%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • Agents' Last Exam

    Hy4 preview22.8%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • AutomationBench

    Hy4 preview32.1%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • BankerToolBench

    Hy4 preview78.6%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • HLE w/ tools

    Hy4 preview55.4%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • Claw-Eval

    Hy4 preview
    K-EXAONE 2.077.7%
    Source

    Not directly comparable

Coding

  • Terminal-Bench 2.1

    Hy4 preview85.4%
    Source
    K-EXAONE 2.043.8%
    Source

    Hy4 preview leads this result

  • SWE-bench Pro

    Hy4 preview65.7%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • SWE Multilingual

    Hy4 preview82.9%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • DeepSWE

    Hy4 preview64.3%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • NL2Repo

    Hy4 preview58.9%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • ProgramBench

    Hy4 preview17.5%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • PostTrain Bench

    Hy4 preview35.6%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • sweMarathon

    Hy4 preview31.9%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • SciCode

    Hy4 preview
    K-EXAONE 2.037.4%
    Source

    Not directly comparable

  • SWE-bench Verified

    Hy4 preview
    K-EXAONE 2.068.2%
    Source

    Not directly comparable

Reasoning

  • CritPt

    Hy4 preview16.9%
    Source
    K-EXAONE 2.0

    Not directly comparable

Knowledge

  • GPQA

    Hy4 preview92.3%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • GPQA-D

    Hy4 preview92.3%
    Source
    K-EXAONE 2.082.2%
    Source

    Hy4 preview leads this result

  • HLE

    Hy4 preview55.4%
    Source
    K-EXAONE 2.018.3%
    Source

    Hy4 preview leads this result

  • HLE w/o tools

    Hy4 preview43.4%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • MMLU-Pro

    Hy4 preview
    K-EXAONE 2.083.5%
    Source

    Not directly comparable

  • MMMLU

    Hy4 preview
    K-EXAONE 2.086.6%
    Source

    Not directly comparable

Math

  • Apex

    Hy4 preview74.2%
    Source
    K-EXAONE 2.0

    Not directly comparable

  • AIME26

    Hy4 preview
    K-EXAONE 2.092.3%
    Source

    Not directly comparable

  • HMMT Feb 2026

    Hy4 preview
    K-EXAONE 2.078.4%
    Source

    Not directly comparable

  • IMOAnswerBench

    Hy4 preview
    K-EXAONE 2.078.6%
    Source

    Not directly comparable

Multilingual

  • PolyMath

    Hy4 preview
    K-EXAONE 2.071.3%
    Source

    Not directly comparable

Multimodal

  • OfficeQA Pro

    Hy4 preview66.2%
    Source
    K-EXAONE 2.0

    Not directly comparable

Instruction following

  • IFEval

    Hy4 preview
    K-EXAONE 2.092.4%
    Source

    Not directly comparable

  • IFBench

    Hy4 preview
    K-EXAONE 2.072.6%
    Source

    Not directly comparable

Frequently asked questions

Which is better, Hy4 preview or K-EXAONE 2.0?

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Hy4 preview or K-EXAONE 2.0?

K-EXAONE 2.0 is not ranked on the public lane for coding, so no winner is named for coding.

Which is better for agentic tasks, Hy4 preview or K-EXAONE 2.0?

K-EXAONE 2.0 is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.

Which costs less, Hy4 preview or K-EXAONE 2.0?

Both models do not have comparable published API token rates, so this page does not name a universal price winner.

Which has the larger context window, Hy4 preview or K-EXAONE 2.0?

Hy4 preview has the larger documented context window: 1M, compared with 262K.

Related comparisons

Last updated September 10, 2026

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