Specification

Release date: 27 Feb 2026
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Openness: open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 7 h agomedium
License: apache-2.0
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Architecture: Qwen3_5ForConditionalGeneration
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Parameters: 4.66B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 7 h agomedium
Context window: 262.1K tokens
Source:Artificial AnalysisT2observed 5 h agomedium
Base model: Qwen/Qwen3.5-4B-Base
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
File size: 9.3 GB
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Hugging Face repo: Qwen/Qwen3.5-4B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 7 h agomedium
Pipeline tag: image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 7 h agomedium
Model card: huggingface.co/Qwen/Qwen3.5-4B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 7 h agomedium
Downloads: 7,196,884
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 45 min agomedium
Likes: 914
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 45 min agomedium
Gated: No
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Hf inference providers: featherless-ai
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Last modified: 2026-03-02T00:52:52+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 7 h agomedium
Library name: transformers
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
License url: https://huggingface.co/Qwen/Qwen3.5-4B/blob/main/LICENSE
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Aa median output tokens per second: 26.3
Source:Artificial AnalysisT2observed 5 h agomedium
Downloads all time: 43,887,848
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 45 min agomedium
Model type: qwen3_5
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Tags: transformers, safetensors, qwen3_5, image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 h agomedium
Weights dtype: BF16, F32
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 6 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

24

Source tiers

T224

Freshest observation

45 min ago

Conflicts

None

Modalities

Modalities unavailable.

Capabilities

Tool calling
Unavailable
Structured output
Unavailable
Reasoning
Yes
Artificial Analysis · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable

Context window: 262.1K tokens
Source:Artificial AnalysisT2observed 5 h agomedium

Benchmark results
Benchmark	Score	Metric	Config	Evaluated	Source
τ²-bench	92.11%	pass^1	aa_slug=qwen3-5-4b · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
Artificial Analysis Intelligence Index	13.12	index	aa_slug=qwen3-5-4b · version=4.3 · estimated=true	—	artificialanalysis.aiT2
GPQA	77.07%	accuracy	aa_slug=qwen3-5-4b · variant=GPQA Diamond · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
Humanity's Last Exam	9.92%	accuracy	aa_slug=qwen3-5-4b · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
IFBench	51.97%	accuracy	aa_slug=qwen3-5-4b · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
MMMU-Pro	65.38%	accuracy	aa_slug=qwen3-5-4b · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
Terminal-Bench	25.84%	accuracy	aa_slug=qwen3-5-4b · variant=v2.1 · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
Terminal-Bench	18.18%	accuracy	aa_slug=qwen3-5-4b · variant=hard · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2

Scores are reported as published, with their evaluation configuration (harness, prompting, judge). Results with different configs are not directly comparable — see methodology.

Current prices

No current prices recorded

Prices appear when a provider publishes a public pricing page we crawl.

Price history

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
NVIDIA DGX B200	4bit	1,440 GB	3.2 GB	Yes
Apple M3 Ultra	4bit	—	3.2 GB	Yes
Mac Studio (Apple M5 Ultra)	4bit	—	3.2 GB	Yes
AMD Instinct MI325X	4bit	256 GB	3.2 GB	Yes
AMD Instinct MI300X	4bit	192 GB	3.2 GB	Yes
Apple M2 Ultra	4bit	—	3.2 GB	Yes
NVIDIA B200	4bit	180 GB	3.2 GB	Yes
NVIDIA H200	4bit	141 GB	3.2 GB	Yes
NVIDIA H200 NVL	4bit	141 GB	3.2 GB	Yes
Apple M1 Ultra	4bit	—	3.2 GB	Yes
Apple M3 Max	4bit	—	3.2 GB	Yes
Apple M4 Max	4bit	—	3.2 GB	Yes
Mac Studio (Apple M5 Max)	4bit	—	3.2 GB	Yes
MacBook Pro (Apple M5 Max)	4bit	—	3.2 GB	Yes
NVIDIA DGX Spark	4bit	128 GB	3.2 GB	Yes
Apple M2 Max	4bit	—	3.2 GB	Yes
NVIDIA H100 NVL	4bit	94 GB	3.2 GB	Yes
NVIDIA A100 80GB	4bit	80 GB	3.2 GB	Yes
NVIDIA H100 SXM	4bit	80 GB	3.2 GB	Yes
Apple M1 Max	4bit	—	3.2 GB	Yes
Apple M4 Pro	4bit	—	3.2 GB	Yes
Mac mini (Apple M5 Pro)	4bit	—	3.2 GB	Yes
MacBook Pro (Apple M5 Pro)	4bit	—	3.2 GB	Yes
Apple M3 Pro	4bit	—	3.2 GB	Yes
Apple M1 Pro	4bit	—	3.2 GB	Yes
Apple M2 Pro	4bit	—	3.2 GB	Yes
Apple M4	4bit	—	3.2 GB	Yes
iMac (Apple M4)	4bit	—	3.2 GB	Yes
Mac mini (Apple M6)	4bit	—	3.2 GB	Yes
MacBook Air (Apple M5)	4bit	—	3.2 GB	Yes
MacBook Pro (Apple M5)	4bit	—	3.2 GB	Yes
NVIDIA GeForce RTX 5090	4bit	32 GB	3.2 GB	Yes
Apple M2	4bit	—	3.2 GB	Yes
Apple M3	4bit	—	3.2 GB	Yes
NVIDIA GeForce RTX 3090	4bit	24 GB	3.2 GB	Yes
NVIDIA GeForce RTX 4090	4bit	24 GB	3.2 GB	Yes
Apple M1	4bit	—	3.2 GB	Yes

Ancestors 1

Qwen3.5-4B-BaseQwen

This model

Qwen3.5-4B

4.66B params

Quantizations 3

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
27 Feb 2026	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	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

Licenselicense1

Claim history for License
Value	Valid from → to	Status	Source	Confidence	Extractor
apache-2.0	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Architecturearchitecture1

Claim history for Architecture
Value	Valid from → to	Status	Source	Confidence	Extractor
Qwen3_5ForConditionalGeneration	11 Sept 2026 21:59 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
4.66B	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
262.1K tokens	11 Sept 2026 22:42 UTC → current	current	Artificial AnalysisT2	medium	deterministic

Base modelbase_model1

Claim history for Base model
Value	Valid from → to	Status	Source	Confidence	Extractor
Qwen/Qwen3.5-4B-Base	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

File sizefile_size_gb1

Claim history for File size
Value	Valid from → to	Status	Source	Confidence	Extractor
9.3 GB	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Hugging Face repohf_repo1

Claim history for Hugging Face repo
Value	Valid from → to	Status	Source	Confidence	Extractor
Qwen/Qwen3.5-4B	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	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/Qwen3.5-4B	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
7,196,884	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
913	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Gatedgated1

Claim history for Gated
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Hf inference providershf_inference_providers1

Claim history for Hf inference providers
Value	Valid from → to	Status	Source	Confidence	Extractor
featherless-ai	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Last modifiedlast_modified1

Claim history for Last modified
Value	Valid from → to	Status	Source	Confidence	Extractor
2026-03-02T00:52:52+00:00	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Library namelibrary_name1

Claim history for Library name
Value	Valid from → to	Status	Source	Confidence	Extractor
transformers	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

License urllicense_url1

Claim history for License url
Value	Valid from → to	Status	Source	Confidence	Extractor
https://huggingface.co/Qwen/Qwen3.5-4B/blob/main/LICENSE	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Aa median output tokens per secondmetric.aa_median_output_tokens_per_second1

Claim history for Aa median output tokens per second
Value	Valid from → to	Status	Source	Confidence	Extractor
26.3	11 Sept 2026 22:42 UTC → current	current	Artificial AnalysisT2	medium	deterministic

Downloads all timemetric.downloads_all_time1

Claim history for Downloads all time
Value	Valid from → to	Status	Source	Confidence	Extractor
43,887,848	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Model typemodel_type1

Claim history for Model type
Value	Valid from → to	Status	Source	Confidence	Extractor
qwen3_5	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Reasoningreasoning1

Claim history for Reasoning
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 22:42 UTC → current	current	Artificial AnalysisT2	medium	deterministic

Tagstags1

Claim history for Tags
Value	Valid from → to	Status	Source	Confidence	Extractor
transformers, safetensors, qwen3_5, image-text-to-text	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Weights dtypeweights_dtype1

Claim history for Weights dtype
Value	Valid from → to	Status	Source	Confidence	Extractor
BF16, F32	11 Sept 2026 21:59 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	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
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 18.18% on Terminal-Bench
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 25.84% on Terminal-Bench
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 92.11% on τ²-bench
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 65.38% on MMMU-Pro
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 51.97% on IFBench
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 9.92% on Humanity's Last Exam
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 77.07% on GPQA
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelQwen3.5-4BQwen
Qwen3.5-4B scores 13.12 on Artificial Analysis Intelligence Index
artificial_analysis
artificialanalysis.ai
11 Sept 2026
New modelModelQwen3.5-4BQwen
New model: Qwen3.5-4B (Qwen)
huggingface
huggingface.co

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/Qwen/Qwen3.5-4B/raw/main/README.md	model_card	T2· Quality secondary	10 min ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/unsloth/Qwen3.5-4B-GGUF	model_page	T2· Quality secondary	38 min ago	3
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/Qwen/Qwen3.5-4B	model_page	T2· Quality secondary	45 min ago	4
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/Intel/Qwen3.5-4B-int4-AutoRound	model_page	T2· Quality secondary	57 min ago	5
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/bartowski/Qwen_Qwen3.5-4B-GGUF	model_page	T2· Quality secondary	1 h ago	5
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/models?author=Qwen&p=0&sort=downloads	listing	T2· Quality secondary	1 h ago	6
Artificial Analysis	artificialanalysis.ai/leaderboards/models	leaderboard	T2· Quality secondary	5 h ago	1

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