Specification

Release date: 5 Aug 2026
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Openness: open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 4 h agomedium
License: apache-2.0
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Architecture: Qwen3_5ForConditionalGeneration
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Parameters: 27.8B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 4 h agomedium
Context window: 1M tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Max output: 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Modalities: image, text, video
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Input modalities: image, text, video
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Output modalities: text
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Tokenizer: Qwen
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
File size: 55.6 GB
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Hugging Face repo: Qwen/Qwen3.8-27B
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Pipeline tag: image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 4 h agomedium
Model card: huggingface.co/Qwen/Qwen3.8-27B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 4 h agomedium
Downloads: 7,563,763
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Likes: 14,752
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Gated: No
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Groq model id: qwen/qwen3.8-27b
Source:Groq — docs & pricingT1observed 4 h agohigh
Groq status: preview
Source:Groq — docs & pricingT1observed 4 h agohigh
Hf inference providers: cerebras, deepinfra, featherless-ai, novita, ovhcloud
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Last modified: 2026-08-14T15:00:01+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 4 h agomedium
Library name: transformers
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Downloads all time: 7,563,763
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Model type: qwen3_5
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Openrouter id: qwen/qwen3.8-27b
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Supported parameters: frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_a, top_k, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Tags: transformers, safetensors, qwen3_5, image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Weights dtype: BF16
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

34

Source tiers

T1T22 / 32

Freshest observation

3 h ago

Conflicts

None

Modalities

Modalities: imagetextvideo
Input: imagetextvideo
Output: text

Capabilities

Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Yes
OpenRouter public model & pricing listing · T2
Audio
Unavailable
Fine-tuning available
Unavailable

Context window: 1M tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Max output: 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Tokenizer: Qwen
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium

No benchmark results recorded

Results appear when a tier 1–3 source publishes them; we never copy scores without a source.

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenRouterqwen/qwen3.8-27b	$0.42	$3	$0.085	—	1M	4 h ago	openrouter.aiT2
GroqCloudqwen/qwen3.8-27b	$0.80	$4	—	—	131K	4 h ago	console.groq.comT1

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Available through 2

GroqCloud OpenRouter

Price history

Input price · USD / 1M tokens

Output price · USD / 1M tokens

OpenRouter
GroqCloud

Estimated

Memory need = bytes per parameter (4-bit ≈ 0.5 × 1.15 overhead, 8-bit 1.0, fp16 2.0) + a KV-cache allowance. Not a measurement.

Estimated hardware fit
Hardware	Quantization	Memory	Est. need	Fits
Apple M3 Ultra	4bit	—	16.5 GB	Yes
AMD Instinct MI325X	4bit	256 GB	16.5 GB	Yes
AMD Instinct MI300X	4bit	192 GB	16.5 GB	Yes
Apple M2 Ultra	4bit	—	16.5 GB	Yes
NVIDIA B200	4bit	180 GB	16.5 GB	Yes
NVIDIA H200	4bit	141 GB	16.5 GB	Yes
Apple M1 Ultra	4bit	—	16.5 GB	Yes
Apple M3 Max	4bit	—	16.5 GB	Yes
Apple M4 Max	4bit	—	16.5 GB	Yes
NVIDIA DGX Spark	4bit	128 GB	16.5 GB	Yes
Apple M2 Max	4bit	—	16.5 GB	Yes
NVIDIA A100 80GB	4bit	80 GB	16.5 GB	Yes
NVIDIA H100 SXM	4bit	80 GB	16.5 GB	Yes
Apple M1 Max	4bit	—	16.5 GB	Yes
Apple M4 Pro	4bit	—	16.5 GB	Yes
Apple M3 Pro	4bit	—	16.5 GB	Yes
Apple M1 Pro	4bit	—	16.5 GB	Yes
Apple M2 Pro	4bit	—	16.5 GB	Yes
Apple M4	4bit	—	16.5 GB	Yes
NVIDIA GeForce RTX 5090	4bit	32 GB	16.5 GB	Yes
Apple M2	4bit	—	16.5 GB	Yes
Apple M3	4bit	—	16.5 GB	Yes
NVIDIA GeForce RTX 3090	4bit	24 GB	16.5 GB	Yes
NVIDIA GeForce RTX 4090	4bit	24 GB	16.5 GB	Yes
Apple M1	4bit	—	16.5 GB	No

Ancestors 0

None recorded.

This model

Qwen3.8 27B

27.8B params

Quantizations 10

Descendants 0

None recorded.

Papers 0

No papers linked yet.

Repositories 0

No repositories linked yet.

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history

24 claims · 24 properties

Release daterelease_date1

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
14 Aug 2026	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Opennessopenness1

Claim history for Openness
Value	Valid from → to	Status	Source	Confidence	Extractor
open-weights	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Parametersparameter_count1

Claim history for Parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
27.8B	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Context windowcontext_length1

Claim history for Context window
Value	Valid from → to	Status	Source	Confidence	Extractor
1M tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Max outputmax_output_tokens1

Claim history for Max output
Value	Valid from → to	Status	Source	Confidence	Extractor
131.1K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Modalitiesmodalities1

Claim history for Modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text, video	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Input modalitiesmodalities_input1

Claim history for Input modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text, video	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tokenizertokenizer1

Claim history for Tokenizer
Value	Valid from → to	Status	Source	Confidence	Extractor
Qwen	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Hugging Face repohf_repo1

Claim history for Hugging Face repo
Value	Valid from → to	Status	Source	Confidence	Extractor
Qwen/Qwen3.8-27B	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Pipeline tagpipeline_tag1

Claim history for Pipeline tag
Value	Valid from → to	Status	Source	Confidence	Extractor
image-text-to-text	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Model cardmodel_card_url1

Claim history for Model card
Value	Valid from → to	Status	Source	Confidence	Extractor
https://huggingface.co/Qwen/Qwen3.8-27B	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Downloadsmetric.downloads1

Claim history for Downloads
Value	Valid from → to	Status	Source	Confidence	Extractor
7,563,763	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Likesmetric.likes1

Claim history for Likes
Value	Valid from → to	Status	Source	Confidence	Extractor
14,747	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Descriptiondescription1

Claim history for Description
Value	Valid from → to	Status	Source	Confidence	Extractor
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...	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Groq model idgroq_model_id1

Claim history for Groq model id
Value	Valid from → to	Status	Source	Confidence	Extractor
qwen/qwen3.8-27b	11 Sept 2026 21:10 UTC → current	current	Groq — docs & pricingT1	high	deterministic

Groq statusgroq_status1

Claim history for Groq status
Value	Valid from → to	Status	Source	Confidence	Extractor
preview	11 Sept 2026 21:10 UTC → current	current	Groq — docs & pricingT1	high	deterministic

Last modifiedlast_modified1

Claim history for Last modified
Value	Valid from → to	Status	Source	Confidence	Extractor
2026-08-14T15:00:01+00:00	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
qwen/qwen3.8-27b	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Reasoningreasoning1

Claim history for Reasoning
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Structured outputstructured_output1

Claim history for Structured output
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_a, top_k, top_logprobs, top_p	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tool callingtool_calling1

Claim history for Tool calling
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Visionvision1

Claim history for Vision
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

11 Sept 2026
Release date changedModelQwen3.8 27BQwen
Qwen3.8 27B: release date changed from 2026-08-14 to 2026-08-05
Release date14 Aug 2026→5 Aug 2026huggingface
huggingface.co
11 Sept 2026
Listed by providerModelQwen3.8 27BQwen
GroqCloud lists Qwen3.8 27B at $0.8 in / $4 out per 1M tokens
groq_pricing
console.groq.com
14 Aug 2026
New modelModelQwen3.8 27BQwen
New model: Qwen3.8 27B (Qwen)
openrouter
openrouter.ai
11 Sept 2026
Listed by providerModelQwen3.8 27BQwen
OpenRouter lists Qwen3.8 27B at $0.42 in / $3 out per 1M tokens
openrouter
openrouter.ai

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
Groq — docs & pricing	console.groq.com/docs/models	model_docs	T1· Official	4 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/unsloth/Qwen3.8-27B-NVFP4	model_page	T2· Quality secondary	3 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/unsloth/Qwen3.8-27B-GGUF	model_page	T2· Quality secondary	3 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/Qwen/Qwen3.8-27B	model_page	T2· Quality secondary	3 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/Qwen/Qwen3.8-27B-FP8	model_page	T2· Quality secondary	3 h ago	2
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/perplexity-ai/pplx-qwen-3-8-27b-dflash2-20260819	model_page	T2· Quality secondary	3 h ago	2
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/perplexity-ai/pplx-computer-qwen-3-8-27b-dflash2-gguf-20260826	model_page	T2· Quality secondary	3 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/perplexity-ai/pplx-computer-qwen-3-8-27b-dflash2-20260824	model_page	T2· Quality secondary	3 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/mlx-community/Qwen3.8-27B-8bit	model_page	T2· Quality secondary	3 h ago	2
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/mlx-community/Qwen3.8-27B-4bit	model_page	T2· Quality secondary	3 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/amd/Qwen3.8-27B-Quark-AWQ-MXFP4	model_page	T2· Quality secondary	4 h ago	2
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/amd/Qwen3.8-27B-Quark-AWQ-INT4-W4A16	model_page	T2· Quality secondary	4 h ago	2
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/models?author=Qwen&p=0&sort=downloads	listing	T2· Quality secondary	4 h ago	2
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	4 h ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.