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Qwen3.8-27B

Alibaba · released Aug 14, 2026

Small & fastOpen weights

A 27-billion-parameter vision-language model under Apache 2.0, small enough for modest GPU setups yet aimed at coding, computer use and document or video understanding.

Best for: Running locally · Apache-licensed open weights · Small-footprint agents

Repository
Intelligence Index
33.7
#24 of 38 · at xHigh effort
Price per 1M tokens
$0.50 in $3 out
Blended $1.13 at 3:1
Context window
262K
Output speed
47 tokens/s
$1.01 measured cost per task

Capability profile

One 0–100 score per area, placing this model between the weakest and strongest tracked model across that area's benchmarks.

  • Overall50 · #24 of 38

    Based on 2 of 3 benchmarks

  • Coding29 · #25 of 39

    Based on 3 of 5 benchmarks

  • Agents & knowledge work58 · #22 of 40

    Based on 2 of 6 benchmarks

  • Reasoning & science32 · #28 of 39

    Based on 2 of 2 benchmarks

  • Knowledge & reliability57 · #27 of 39

    Based on 2 of 2 benchmarks

  • Vision56 · #22 of 31

    Based on 2 of 2 benchmarks

Reasoning effort trade-off

The same model at each effort setting. Lower settings give up a few points for a fraction of the cost and wait.

SettingIntelligence IndexCost / taskFirst answer
xHigh
33.7
$1.0147s
Medium
27.6
$1.1341s
Low
26.2
$1.0541s
No reasoning
20.2
$2.493.7s

Measured by Artificial Analysis. First answer is the median wait until the first answer token, including thinking time.

Benchmark results

All third-party results on record. Rank is among the tracked models that have been tested on that benchmark.

Overall

  • Artificial Analysis Intelligence Index33.7

    #24 of 38· xHigh effort· Artificial Analysis

  • Vals IndexNot tested
  • Arena · Text1438 ±5

    #27 of 33· 18,462 votes· Arena

Coding

  • Terminal-Bench 4.05.6%

    #24 of 38· xHigh effort· Artificial Analysis

  • SciCode46.6%

    #30 of 38· xHigh effort· Artificial Analysis

  • Arena · WebDev1592 ±7

    #18 of 34· 13,361 votes· Arena

  • Vibe Code BenchNot tested
  • Code MigrationNot tested

Agents & knowledge work

  • GDPval-AA46.2

    #23 of 39· xHigh effort· Artificial Analysis

  • Arena · Agent-1.7 ±0.6

    #23 of 29· Arena

  • Finance Agent v2Not tested
  • Excel Modeling BenchmarkNot tested
  • Legal Research BenchNot tested
  • Tax Agent BenchNot tested

Reasoning & science

  • Humanity's Last Exam33.9%

    #27 of 39· xHigh effort· Artificial Analysis

  • CritPt5.4%

    #27 of 39· xHigh effort· Artificial Analysis

  • ARC-AGI-2saturating42.4%

    #14 of 16· xHigh effort· $0.45 per task· ARC Prize

  • ARC-AGI-3Not tested
  • GPQA Diamondsaturating90.5%

    #14 of 27· xHigh effort· Artificial Analysis

Knowledge & reliability

  • AA-Omniscience-10

    #29 of 39· xHigh effort· Artificial Analysis

  • AA-LCR82.0%

    #15 of 39· xHigh effort· Artificial Analysis

Vision

  • MMMU-Pro76.3%

    #18 of 27· xHigh effort· Artificial Analysis

  • Arena · Vision1243 ±9

    #16 of 19· 6,422 votes· Arena

Reported by Alibaba

Numbers the lab published at launch, run on its own harness and settings. Useful context, but not independently verified and never used in the rankings on this site.

  • SWE-bench Pro · Claude Code harness61.7%
  • OSWorld-Verified84.3%
  • GPQA Diamond89.2%

Specifications

Lab
Alibaba
Released
Aug 14, 2026
Availability
Generally available
Context window
262,144 tokens
Max output
—
Accepts
Text, Images, Video
Knowledge cutoff
Not published
Weights
Open
Licence
Apache 2.0
Parameters
27B
Reasoning control
Effort low to xhigh · can be switched off
API model ID
qwen3.8-27b

Pricing

Input / 1M tokens
$0.50
Output / 1M tokens
$3
Blended (3:1)
$1.13
Measured cost / task
$1.01

International list price on Alibaba Cloud Model Studio. The hosted version extends the context to 1M tokens.

Official sources

  • Repository
  • Weights

Closest alternatives

The models nearest to this one on overall score.

  • Gemini 3.1 Pro
    Intelligence Index
    29.7
    Price / 1M
    $4.5
    Compare the two
  • Mistral Large 4
    Intelligence Index
    38.4
    Price / 1M
    $2.06
    Compare the two
  • DeepSeek V4 Pro
    Intelligence Index
    36.0
    Price / 1M
    $1.98
    Compare the two
  • GPT-6 Luna
    Intelligence Index
    38.1
    Price / 1M
    $0.20
    Compare the two

23 benchmarks tracked. See methodology and sources.

Model Index

An independent snapshot of frontier SI models and how they perform on third-party benchmarks.

Data as of Oct 8, 2026

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Sources

Benchmark results come from Artificial Analysis, Arena, Vals AI and ARC Prize. Specifications and prices come from each lab's own documentation.

Not affiliated with any lab or evaluator. Names and logos are trademarks of their respective owners and are used only to identify them. Scores change often — check the linked source before making a decision that depends on one.

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