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Grok 4.6 vs Qwen3.8-Omni-Flash

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.

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

xAI logo
Model A
Grok 4.6

xAI

69.74/100

Supported · Public rank #19

90% interval 66.073.4

Alibaba logo
Model B
Qwen3.8-Omni-Flash

Alibaba

Evidence status unavailable

90% interval unavailable

Updated September 18, 2026. We do not rank this pair: at least one has no public score. Public scores include evidence status and uncertainty.

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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

    Qwen3.8-Omni-Flash

    Qwen3.8-Omni-Flash 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

    Qwen3.8-Omni-Flash is scored on Estimated evidence for coding, so the reading is directional rather than like-for-like.

    Confidence: limited

  • Agentic work

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

    Not enough matched evidence

    Qwen3.8-Omni-Flash 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
1
Grok 4.6 only
14
Qwen3.8-Omni-Flash only
18
Like-for-like categories
0 / 8

2 categories rest on Estimated evidence or different evidence sets. Those rows remain visible for coverage context but do not name a winner.

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.

Coding

Directional only
Grok 4.6
66.2
Supported · #12/154
Qwen3.8-Omni-Flash
53.5
Estimated · #45/154
Basis
BenchAlign lane · 9 vs 5 public rows
Reading
Directional only

Knowledge

Directional only
Grok 4.6
70.2
Supported · #12/184
Qwen3.8-Omni-Flash
54.9
Estimated · #54/184
Basis
BenchAlign lane · 2 vs 3 public rows
Reading
Directional only

Agentic

Not comparable
Grok 4.6
69.6
Supported · #7/154
Qwen3.8-Omni-Flash
Not ranked
Basis
BenchAlign lane · 4 vs 2 public rows
Reading
Not comparable

Reasoning

Not comparable
Grok 4.6
76.2
#9/20
Qwen3.8-Omni-Flash
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
Grok 4.6
Not ranked
Qwen3.8-Omni-Flash
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multilingual

Not comparable
Grok 4.6
Not ranked
Qwen3.8-Omni-Flash
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Grok 4.6
Not ranked
Qwen3.8-Omni-Flash
85.1
Unranked · 7 rankable rows
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Not comparable

Instruction following

Not comparable
Grok 4.6
Not ranked
Qwen3.8-Omni-Flash
87.7
#29/124
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.

A shared-evidence shape is not available.

BenchLM does not draw a radar or infer missing axes when the matched evidence is too sparse.

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

Grok 4.6
$0.005
Fits in one request
Qwen3.8-Omni-Flash
API rate not published
Fits in one request

Qwen3.8-Omni-Flash has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Grok 4.6
$0.118
Fits in one request
Qwen3.8-Omni-Flash
API rate not published
Fits in one request

Qwen3.8-Omni-Flash has no comparable published API token rate.

Cache-heavy agent loop

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

Grok 4.6
$0.2
Fits in one request
Qwen3.8-Omni-Flash
API rate not published
Fits in one request
Cached-input rate unavailable

Qwen3.8-Omni-Flash 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

Grok 4.6

Not sourced

Qwen3.8-Omni-Flash

Not sourced

Documented outputs

Grok 4.6

Not sourced

Qwen3.8-Omni-Flash

Not sourced

Provider availability

Grok 4.6

Not sourced

Qwen3.8-Omni-Flash

Not sourced

Reasoning profile

Grok 4.6

Reasoning

Qwen3.8-Omni-Flash

Reasoning

Weight access

Grok 4.6

Proprietary

Qwen3.8-Omni-Flash

Proprietary

License

Grok 4.6

Proprietary

Qwen3.8-Omni-Flash

Proprietary

Release date

Grok 4.6

2026-08-12

Qwen3.8-Omni-Flash

2026-09-18

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
Qwen3.8-Omni-Flash 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 evidence33 rows

Agentic

  • Terminal-Bench 3.0

    Grok 4.626.5%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • APEX-Agents

    Grok 4.657.5%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • Terminal-Bench 2.1 (Vals)

    Grok 4.678.3%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • ApprenticeBench

    Grok 4.613%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • CoWorkBench

    Grok 4.6
    Qwen3.8-Omni-Flash75.3%
    Source

    Not directly comparable

  • AndroidWorld

    Grok 4.6
    Qwen3.8-Omni-Flash87.1%
    Source

    Not directly comparable

Coding

  • Bug Hunt Bench

    Grok 4.627 fixes
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • DeepSWE

    Grok 4.665.9%
    Source
    Qwen3.8-Omni-Flash57.8%
    Source

    Grok 4.6 leads this result

  • cursorBench32

    Grok 4.670.8%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • FrontierCode 1.1 Extended

    Grok 4.661.3%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • VulcanBench v3

    Grok 4.687.0%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • FrontierSWE v2

    Grok 4.625.3%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • LiveCodeBench (Vals)

    Grok 4.688.2%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • SWE-bench (Vals)

    Grok 4.695.6%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • cursorBench40

    Grok 4.641.4%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • SWE-bench Pro

    Grok 4.6
    Qwen3.8-Omni-Flash63.3%
    Source

    Not directly comparable

  • SWE Multilingual

    Grok 4.6
    Qwen3.8-Omni-Flash80.5%
    Source

    Not directly comparable

  • NL2Repo

    Grok 4.6
    Qwen3.8-Omni-Flash48.9%
    Source

    Not directly comparable

  • LiveCodeBench v6

    Grok 4.6
    Qwen3.8-Omni-Flash92.6%
    Source

    Not directly comparable

Knowledge

  • GPQA Diamond (Vals)

    Grok 4.694.7%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • MMLU-Pro (Vals)

    Grok 4.689.4%
    Source
    Qwen3.8-Omni-Flash

    Not directly comparable

  • GPQA

    Grok 4.6
    Qwen3.8-Omni-Flash91%
    Source

    Not directly comparable

  • GPQA-D

    Grok 4.6
    Qwen3.8-Omni-Flash91.0%
    Source

    Not directly comparable

  • HLE

    Grok 4.6
    Qwen3.8-Omni-Flash36.5%
    Source

    Not directly comparable

Multimodal

  • Vision2Web

    Grok 4.6
    Qwen3.8-Omni-Flash62.9%
    Source

    Not directly comparable

  • ERQA

    Grok 4.6
    Qwen3.8-Omni-Flash71.0%
    Source

    Not directly comparable

  • LVBench

    Grok 4.6
    Qwen3.8-Omni-Flash76.9%
    Source

    Not directly comparable

  • RealWorldQA

    Grok 4.6
    Qwen3.8-Omni-Flash87.7%
    Source

    Not directly comparable

  • MathVision

    Grok 4.6
    Qwen3.8-Omni-Flash91.8%
    Source

    Not directly comparable

  • MathVision w/ Python

    Grok 4.6
    Qwen3.8-Omni-Flash96.2%
    Source

    Not directly comparable

  • CharXiv w/o tools

    Grok 4.6
    Qwen3.8-Omni-Flash83.5%
    Source

    Not directly comparable

  • CharXiv

    Grok 4.6
    Qwen3.8-Omni-Flash91.4%
    Source

    Not directly comparable

Instruction following

  • IFBench

    Grok 4.6
    Qwen3.8-Omni-Flash81.5%
    Source

    Not directly comparable

Questions

Which is better, Grok 4.6 or Qwen3.8-Omni-Flash?

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, Grok 4.6 or Qwen3.8-Omni-Flash?

Grok 4.6 scores higher for coding on the public lane, 66.2 to 53.5. Qwen3.8-Omni-Flash is scored on Estimated evidence for coding, so the reading is directional rather than like-for-like. BenchLM does not name a winner for coding from a directional reading; read the shared benchmark rows directly and test the models on the same task set.

Which is better for agentic tasks, Grok 4.6 or Qwen3.8-Omni-Flash?

Qwen3.8-Omni-Flash is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.

Which costs less, Grok 4.6 or Qwen3.8-Omni-Flash?

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, Grok 4.6 or Qwen3.8-Omni-Flash?

Qwen3.8-Omni-Flash has the larger documented context window: 1M, compared with 500K.

Related comparisons

Last updated September 18, 2026

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