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Qwen3.8 27B

Qwen · released Aug 14, 2026

Open weightsReasoningTool useStructured outputVisionVideo in

Qwen3.8 27B is an open-weight dense vision-language model from Qwen. It is suited for coding, professional workflows, research, multimodal interaction, and long-running agent tasks, with flexible thinking that can be...

Specification

Context window
1M
Max output
236K
Knowledge cutoff
Not stated
Parameters
27.8B
Licence
apache-2.0
Serving providers
20
Moderated
No
Uptime
100.0%

Intelligence

33.7

85th percentile

Coding

68.1

Coding Index

Agentic

45.8

Agentic Index

Output speed

409 t/s

Median across providers

Latency

273ms

Time to first token

Cost per task

$0.19

Estimated

Benchmarks

Where the score comes from

The Intelligence Index is a composite. These are the underlying evaluations this model was actually measured on.

Evaluation scores

Percentage correct · higher is better

  • GPQA Diamond
    90.5%
  • AA-LCR (long context)
    82.0%
  • τ²-bench (Telecom)
    48.0%
  • SciCode
    46.6%
  • Humanity's Last Exam
    33.9%

An evaluation missing from this list was not run for this model — it is not a zero.

View as table
EvaluationScore
GPQA Diamond90.5%
AA-LCR (long context)82.0%
τ²-bench (Telecom)48.0%
SciCode46.6%
Humanity's Last Exam33.9%

Against its peers

Intelligence Index · this model highlighted, nearest peers in grey

Peers are the models sitting closest on the Intelligence Index — the set you would realistically choose between.

View as table
ModelIntelligence
V4 Flash 073134.3
V4 Flash 042334.3
Gemini 3.6 Flash34.0
KAT-Coder-Pro V233.9
Qwen3.8 27B33.7
Muse Spark 1.133.7
GLM 5.233.7
Gemini 3.5 Flash32.6

Percentile among all indexed models

Intelligence85th
Coding77th
Agentic85th

Pricing

What it costs to run

List prices per million tokens, plus what one representative task works out to.

List price

Input / 1M tokens
$0.24
Output / 1M tokens
$2.2
Cached input / 1M
$0.05
Blended 3:1
$0.73

One task, estimated

$0.19

Input tokens
50,000
Output tokens
80,000
Profile
Reasoning

Estimated from list pricing: 50K input tokens plus 80K output tokens for reasoning models (25K for non-reasoning).

Serving providers

Speed and latency figures are medians across these providers, so a widely-served model reports a blend rather than any single endpoint.