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Qwen 3.8 27B

ECI
N/A
Alibaba
Aug. 14, 2026
Open weights

Qwen 3.8 27B is an open-weights model from Alibaba, released August 14, 2026. It costs $0.425/Mtok for input tokens and $2.55/Mtok for output tokens.

Input price$0.425 / 1M tokens
Output price$2.55 / 1M tokens
Parameters2.7e10
Training computeUnknown

Qwen 3.8 27B vs select alternatives

Reasoning
DomainBenchmark
Qwen 3.8 27B
Alibaba
Aug. 14, 2026
Open weights
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GPT-5.5 Pro
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Mathematics
ProofBenchBest score 100.0%
16.0%
95.0%
n/a
87.0%
Science
CritPtBest score 32.3%
5.4%
28.6%
30.6%
23.4%
SciCodeBest score 62.0%
44.7%
60.2%
n/a
58.7%
Surface Evolver BenchBest score 95.0%
45.0%
95.0%
n/a
95.0%
Software engineering
Text Arena (Coding)Best score 1797.0
1594.81626.3—1673.7

Model metadata

General
OrganizationAlibaba
Release dateAug. 14, 2026
Model accessibilityOpen weights
CountryChina
Knowledge cutoffUnknown
Provider notesQwen X post on 2026/08/14
Pricing
Input price$0.425 / 1M tokens
Output price$2.55 / 1M tokens
Training
Parameters2.7e10
Training computeUnknown
Training hardwareUnknown
Training timeUnknown
Training dataset sizeUnknown