Qwen3.8 27B
Qwenapache-2.0textvision

Qwen3.8 27B

Updated Oct 1, 2026
Parameters
27.8B
Context
262,144
License
apache-2.0
Updated
Oct 1, 2026

Intelligence benchmarks

Artificial Analysis indexes - compared with the best open and proprietary models

Intelligence

33.7

AA Index

Coding

68.1

AA Index

Agentic

45.8

AA Index

Intelligence Index - Qwen3.8 27B vs. the field

Best open-weight models (you can run locally) and leading proprietary models for context.

Claude Opus 5.5
57.6
closed
Claude Sonnet 5.5
56
closed
Claude Fable 5.1
53.4
closed
GPT-6 Astra
52.7
closed
Gemini 4 Argon
52.6
closed
MiMo-V2.6-Pro
46.3
open
GLM-5.3
44.8
open
Qwen3.8 27B
33.7
open

Coding Index comparison

Claude Fable 5.1
81.6
closed
GPT-6 Astra
77.1
closed
GPT-5.6 Terra
76.7
closed
Muse Spark 1.3
76.5
closed
Gemini 3.8 Flash
76.3
closed
Kimi K3
76.2
open
GLM-5.3
74.8
open
Qwen3.8 27B
68.1
open

Agentic Index comparison

Claude Fable 5.1
57.9
closed
Qwen3.8 Max
56
closed
Muse Spark 1.3
55.5
closed
Qwen3.8-Flash-Next
53.6
open
GLM-5.3
53.1
open
GPT-6 Astra
51
closed
GLM-5.3-Flash
50.9
open
Qwen3.8 27B
45.8
open

Benchmark data from Artificial Analysis · updated 2026-10-01.

Hosted API cost & speed

What it costs to rent this model instead of running it locally

MetricValue
Input (per 1M tokens)$0.50
Output (per 1M tokens)$3.00
Median speed (hosted API)45 tok/s

Median across hosted providers, measured by Artificial Analysis - updated 2026-10-01. Local llama.cpp speed depends on your hardware — see the hardware pages for estimates.

Arena rating (LMArena)

Human preference wins from head-to-head chat battles

MetricValue
Overall arena rating1441.4
Rank (overall)#71
Battle votes17,777

Overall rating published by LMArena on 2026-09-30 - a pairwise human-preference Elo across live chat battles; higher is better. Fetched 2026-10-01. Open-weights models compete head-to-head with proprietary ones here — no benchmark prompts, just what people pick.

Standard benchmarks

Performance across standard evaluations

BenchmarkScore
GPQA Diamond90.5
HLE33.9
SciCode46.6

Source: Artificial Analysis component evals - updated 2026-10-01.

Will it run on your hardware?

Pick your GPU memory - see which quantizations fit, and the cheapest card for the rest

Runs on your 24 GB - best at Q5_K_M
2 of 4 quantizations fit Qwen3.8 27B with real runtime overhead.
Q4_K_M
16 GB
Q5_K_M
20 GB
fits tight too big

Need an exact figure for your context length? Use the VRAM calculator.

Run it locally

Copy-paste - running in under a minute

vLLMOpenAI-compatible API
vllm serve Qwen/Qwen3.8-27B-FP8

New to this? Start with Ollama · serve to many users with vLLM.

Deep dive

Notes, sources, and the full write-up

Qwen3.8 27B is a 27.8B-parameter apache-2.0 model from Alibaba. It scores 33.7 on the Artificial Analysis Intelligence Index. At Q4_K_M it needs roughly 16 GB of VRAM, placing it in the 12–24 GB GPU hardware tier.

Benchmarks

Artificial Analysis Intelligence Index - Qwen3.8 27B vs. leading closed models:

ModelIntelligenceCodingGPQA
Qwen3.8 27B52-90.5
Claude Opus 5 (max)63.1-93.2
Claude Fable 5 (with fallback)62.1-92.6
GPT-5.6 Sol (max)60.9-94.1
Grok 4.6 (high)60.9-94.9
GLM-5.3 (max)59.5-91.7

Source: Artificial Analysis (2026-08-20).

Popularity

Qwen3.8 27B has 1,063,646 downloads in the last month on HuggingFace and 600 likes.

Frequently asked

Quick answers to common questions

How much VRAM does Qwen3.8 27B need?

Qwen3.8 27B with 27.8B parameters needs approximately 16 GB at Q4_K_M quantization. Use our VRAM calculator for an exact estimate.

Is Qwen3.8 27B better than other Qwen models?

Qwen3.8 27B has 27.8B parameters with 262,144 context - a strong choice for general use.

What license is Qwen3.8 27B under?

Qwen3.8 27B is released under the apache-2.0 license, making it suitable for most commercial and personal projects.

What hardware runs Qwen3.8 27B well?

With 27.8B parameters, Qwen3.8 27B requires adequate VRAM. High-end GPUs like the RTX 4090 (24GB), RTX 5090 (32GB), or Mac Studio with unified memory are good options. Check our hardware directory for specific recommendations.

What is the best quantization for Qwen3.8 27B?

Q4_K_M is the recommended sweet spot - ~98% of FP16 quality at ~27% of the size. Q5_K_M (~20 GB) is an option if you have spare VRAM. Use our VRAM calculator to compare.

How long can Qwen3.8 27B's context window handle?

Qwen3.8 27B supports a 262,144-token context window - enough for very long documents, codebases, or multi-turn conversations. Real-world usable context may vary by implementation.

What models compete with Qwen3.8 27B?

Qwen3.8 27B competes with other models in its class. Browse our model directory for comparisons, benchmarks, and community reviews to find the best fit.

Nearby options

Similar models and compatible hardware by spec