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Open-weight model · Image and text to text

Qwen3.8-27B

by Qwen Qwen/Qwen3.8-27B

Qwen3.8-27B is an open-weight model for image and text to text from Qwen, released under Apache License 2.0. It has 27.8B parameters and a 262,144-token context. At 16-bit it needs about 66.7 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index. It draws 6.9M downloads a month.

Following the widespread community adoption of the Qwen3.5 and Qwen3.6 series, we are pleased to introduce Qwen3.8, the most capable generation in the Qwen open-model family to date.

Parameters27.8B
Context262,144
Weights55.6 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads6.9M

Runs On

What it takes to serve Qwen3.8-27B (27.8B parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 55.6 GB 66.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 27.8 GB 33.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 13.9 GB 16.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Oct 13, 2026.

Qwen3.8-27B on every accelerator the SAVRN Index prices, at every precision

SAVRN's Notes on Qwen3.8-27B

27.8B parameters reading image and text over a 262,144-token context: 66.7 GB at 16-bit fits one 192 GB MI300X at $1.85 an hour, 33.3 GB at 8-bit, 16.7 GB at 4-bit — a single card covers every precision, which is the whole story for a model this capable at this footprint. The 55.6 GB of weights ship as 18 safetensors files. First published 2026-08-05.

The variant forest is dense: FP8, NVFP4, GGUF, AWQ-INT4 and MLX builds at 4, 5, 6 and 8 bit all derive from it on the page. Hosted, the Index lists Cerebras at $0.99 in and $1.49 out per million tokens, DeepInfra $0.20 and $2.50, Novita $0.42 and $3.00, OVHcloud $0.47 and $3.19 — run the tokens-per-hour ledger before renting. Reported GPQA Diamond is 89.2, and the card promises a hosted version with 1M context coming.

Model Card

By Qwen, published under apache-2.0, revision 1d4bf0f2ff60.

[!Note] This repository contains model weights and configuration files for the post-trained model in the Hugging Face Transformers format.

These artifacts are compatible with Hugging Face Transformers, vLLM, SGLang, TokenSpeed, etc.

[!Tip] For users seeking managed, scalable inference without infrastructure maintenance, the official Qwen API service is provided by Qwen Cloud. In particular, Qwen3.8-27B will be available as a hosted version with more production features, e.g., 1M context length by default, official built-in tools. For more information, please refer to the Qwen3.8-27B Overview. The service is coming soon. Stay tuned for updates.

Following the widespread community adoption of the Qwen3.5 and Qwen3.6 series, we are pleased to introduce Qwen3.8, the most capable generation in the Qwen open-model family to date.

Read the full model card (2,690 words)

Configuration

Architecture
Qwen3_5ForConditionalGeneration
Context length (tokens)
262,144
Layers
64
Hidden size
5,120
Feed-forward size
17,408
Attention heads
24
Key/value heads
4
Head dimension
256
Vocabulary size
248,320
Model type
qwen3_5

Identity and Version

Repository
Qwen/Qwen3.8-27B
Publisher
Qwen
Task
Image and text to text
Modality
Image and text
Library
transformers
Parameters
27.8B parameters
Languages
Not stated by the source
Revision
1d4bf0f2ff6012fd82039f2fa52739d0dd7c60c0
First published
2026-08-05
Last updated
2026-08-14

Files and Weights

32 files, 55.6 GB in total. The weights are 18 files totalling 55.6 GB in safetensors.

Weights18 files · 55.6 GB
Configuration5 files · 117.5 KB
Tokenizer4 files · 22.9 MB
Documentation2 files · 76.6 KB
Other2 files · 9.2 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model-00001-of-00018.safetensorsWeights4.0 GB ba0ce20aae48
model-00002-of-00018.safetensorsWeights3.0 GB 06a148c01bfb
model-00003-of-00018.safetensorsWeights2.5 GB 2e1bf62cbcd4
model-00004-of-00018.safetensorsWeights4.0 GB 511e34063187
model-00005-of-00018.safetensorsWeights2.1 GB 635cb53446dc
model-00006-of-00018.safetensorsWeights4.0 GB 0bc5214fac60
model-00007-of-00018.safetensorsWeights2.1 GB 80b0c49033e9
model-00008-of-00018.safetensorsWeights4.0 GB 7192c5b66185
model-00009-of-00018.safetensorsWeights2.1 GB af3c48cc37af
model-00010-of-00018.safetensorsWeights4.0 GB 163490a76f3b
model-00011-of-00018.safetensorsWeights2.1 GB 5f3ae1b948ae
model-00012-of-00018.safetensorsWeights4.0 GB a3de1c711467
model-00013-of-00018.safetensorsWeights2.1 GB 06ab79a41f74
model-00014-of-00018.safetensorsWeights4.0 GB 4138ed946030
model-00015-of-00018.safetensorsWeights2.1 GB 69224e27b9de
model-00016-of-00018.safetensorsWeights4.0 GB 73cb9a1089fb
model-00017-of-00018.safetensorsWeights2.1 GB beb51f010561
model-00018-of-00018.safetensorsWeights3.4 GB 1d3479509e21
config.jsonConfiguration4.3 KB —
generation_config.jsonConfiguration202 B —
model.safetensors.index.jsonConfiguration112.2 KB —
preprocessor_config.jsonConfiguration390 B —
video_preprocessor_config.jsonConfiguration385 B —
LICENSEDocumentation11.5 KB —
README.mdDocumentation65.0 KB —
chat_template.jinjaOther9.0 KB —
crc32.txtOther238 B —
.gitattributesRepository1.6 KB —
merges.txtTokenizer3.4 MB —
tokenizer.jsonTokenizer12.8 MB 0997f410c57a
tokenizer_config.jsonTokenizer17.9 KB —
vocab.jsonTokenizer6.7 MB —

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
55.6 GB
Download from Qwen

Released by Qwen through ModelScope. Read the license.

Evaluations

Each result is shown as reported, with the conditions its reporter stated. None is a SAVRN measurement. A comparison lines two results up only when their configuration, unit and setup are all stated and identical.

BenchmarkConditionsResultReported byRevisionDate
Idavidrein/gpqa Task diamondMetric diamondComparison conditions not established 89.2 Qwen3.8-27B model card
Reported by a third party
Evaluated revision not stated 2026-08-14
ScaleAI/SWE-bench_Pro Task SWE_Bench_ProMetric SWE_Bench_ProSetup Evaluated with the Claude Code harness, temp=1.0, top_p=0.95, 256K context; baseline models re-evaluated on the same refined task set.Comparison conditions not established 61.7 Qwen3.8-27B model card
Reported by a third party
Evaluated revision not stated 2026-08-14
agents-last-exam/agents-last-exam Task ale-cli-pass-rateMetric ale-cli-pass-rateSetup harness=claude_code; harness_variant=reasoning-max; attempted=104/105; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not…Comparison conditions not established 19.0476 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task ale-cli-scoreMetric ale-cli-scoreSetup harness=claude_code; harness_variant=reasoning-max; attempted=104/105; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not…Comparison conditions not established 43.5407 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task full-spectrum-pass-rateMetric full-spectrum-pass-rateSetup harness=claude_code; harness_variant=reasoning-max; attempted=55/55; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not an…Comparison conditions not established 21.8182 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task full-spectrum-scoreMetric full-spectrum-scoreSetup harness=claude_code; harness_variant=reasoning-max; attempted=55/55; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not an…Comparison conditions not established 42.5452 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task last-exam-pass-rateMetric last-exam-pass-rateSetup harness=claude_code; harness_variant=reasoning-max; attempted=35/38; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not an…Comparison conditions not established 2.63158 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task last-exam-scoreMetric last-exam-scoreSetup harness=claude_code; harness_variant=reasoning-max; attempted=35/38; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not an…Comparison conditions not established 14.7264 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task near-term-pass-rateMetric near-term-pass-rateSetup harness=claude_code; harness_variant=reasoning-max; attempted=66/67; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not an…Comparison conditions not established 31.3433 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task near-term-scoreMetric near-term-scoreSetup harness=claude_code; harness_variant=reasoning-max; attempted=66/67; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not an…Comparison conditions not established 60.0256 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task overall-pass-rateMetric overall-pass-rateSetup harness=claude_code; harness_variant=reasoning-max; attempted=148/152; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not…Comparison conditions not established 20.3947 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
agents-last-exam/agents-last-exam Task overall-scoreMetric overall-scoreSetup harness=claude_code; harness_variant=reasoning-max; attempted=148/152; official leaderboard snapshot=2026-10-01T20:39:17.826877+00:00; values are percentages (0-100); equal-task aggregation; unattempted tasks contribute zero; pass threshold score>=0.999. This is an official leaderboard export, not…Comparison conditions not established 42.8848 ALE official leaderboard
Reported by a third party
Evaluated revision not stated 2026-10-01
cais/hle Task hleMetric hleSetup Judged by GPT-4o.Comparison conditions not established 30.8 Qwen3.8-27B model card
Reported by a third party
Evaluated revision not stated 2026-08-14
claw-eval/Claw-Eval Task multimodalMetric multimodalSetup Reported as ClawEval-MM. Pass@3, the benchmark's own Pass³ methodology; card also reports a secondary 56.9 'Average' metric, not included here.Comparison conditions not established 57.4 Qwen3.8-27B model card
Reported by a third party
Evaluated revision not stated 2026-08-14
datacurve/deep-swe Task deep_sweMetric deep_sweComparison conditions not established 42.2 Qwen3.8-27B model card
Reported by a third party
Evaluated revision not stated 2026-08-14
harborframework/terminal-bench-2.1 Task terminalbench_2_1Metric terminalbench_2_1Setup Row labeled "(Terminus)" as the harness; no further hyperparameter footnote given for this row.Comparison conditions not established 73 Model Card
Reported by a third party
Evaluated revision not stated 2026-08-14
internlm/WildClawBench Task avg_timeMetric avg_timeComparison conditions not established 516 WildClawBench
Reported by a third party
Evaluated revision not stated 2026-08-16
internlm/WildClawBench Task overallMetric overallComparison conditions not established 48.0152 WildClawBench
Reported by a third party
Evaluated revision not stated 2026-08-16
llamaindex/ExtractBench Task longMetric longSetup Pipeline name: qwen3_8_27b_fp8_vllm_extract_oneshot_structured_output_file; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 38.45 ExtractBench
Reported by a third party
Evaluated revision not stated 2026-08-24
llamaindex/ExtractBench Task meanMetric meanSetup Pipeline name: qwen3_8_27b_fp8_vllm_extract_oneshot_structured_output_file; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 89.75 ExtractBench
Reported by a third party
Evaluated revision not stated 2026-08-24
llamaindex/ExtractBench Task mediumMetric mediumSetup Pipeline name: qwen3_8_27b_fp8_vllm_extract_oneshot_structured_output_file; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 87.54 ExtractBench
Reported by a third party
Evaluated revision not stated 2026-08-24
llamaindex/ExtractBench Task shortMetric shortSetup Pipeline name: qwen3_8_27b_fp8_vllm_extract_oneshot_structured_output_file; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 94.68 ExtractBench
Reported by a third party
Evaluated revision not stated 2026-08-24
llamaindex/ParseBench Task chartMetric chartSetup Pipeline name: qwen3_8_27b_thinking_parse_with_layout; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 69.17 ParseBench
Reported by a third party
Evaluated revision not stated 2026-08-28
llamaindex/ParseBench Task layoutMetric layoutSetup Pipeline name: qwen3_8_27b_thinking_parse_with_layout; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 69.9 ParseBench
Reported by a third party
Evaluated revision not stated 2026-08-28
llamaindex/ParseBench Task meanMetric meanSetup Pipeline name: qwen3_8_27b_thinking_parse_with_layout; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 70.79 ParseBench
Reported by a third party
Evaluated revision not stated 2026-08-28
llamaindex/ParseBench Task tableMetric tableSetup Pipeline name: qwen3_8_27b_thinking_parse_with_layout; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 66.82 ParseBench
Reported by a third party
Evaluated revision not stated 2026-08-28
llamaindex/ParseBench Task text_contentMetric text_contentSetup Pipeline name: qwen3_8_27b_thinking_parse_with_layout; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 88.28 ParseBench
Reported by a third party
Evaluated revision not stated 2026-08-28
llamaindex/ParseBench Task text_formattingMetric text_formattingSetup Pipeline name: qwen3_8_27b_thinking_parse_with_layout; served checkpoint: Qwen/Qwen3.8-27B-FP8Comparison conditions not established 59.77 ParseBench
Reported by a third party
Evaluated revision not stated 2026-08-28

Memory Requirements

PrecisionWeights in memory
As published55.6 GB
16-bit55.6 GB
8-bit27.8 GB
4-bit13.9 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Hosted Prices

HostInput / outputUnitObserved
Cerebras$0.99 / $1.49input / output, per million tokensOct 12, 2026
DeepInfra$0.20 / $2.50input / output, per million tokensOct 13, 2026
Novita$0.42 / $3.00input / output, per million tokensOct 13, 2026
OVHcloud$0.47 / $3.19input / output, per million tokensOct 13, 2026

From the SAVRN Index.

Built on This Model

Compare Qwen3.8-27B

Questions About Qwen3.8-27B

How much GPU memory does Qwen3.8-27B need?

About 66.7 GB at 16-bit and 16.7 GB at 4-bit: the weights (27.8B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Qwen3.8-27B on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

Can I use Qwen3.8-27B commercially?

Yes. Qwen3.8-27B is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

What is Qwen3.8-27B's context length?

262,144 tokens, from the maximum position embeddings in its published configuration.

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