Skip to content
ModelCap

Qwen3.5 397B A17B

Arena #94Official publisher releaseOpen weights7d #49 → #48

Qwen·#48 of 352 on the current board·cheaper than #46 GPT-5.4 Mini

Qwen3.5 397B A17B is a language model from Qwen. It ranks #48 of 352 on ModelCap's current board, with an Index score of 68.6, measured on 2 public benchmarks. Its score range of 63.7–73.5 spans positions #33–#65. It is listed at $0.50 per million input tokens and $3.60 per million output tokens across 10 providers. It reads up to 262K tokens of context, and its weights are openly downloadable.

Figures as of 6 Nov 2026, 13:52 UTC · download the public dataset · methodology

ModelCap Index · Current board
68.6#48
Measured on 2 public benchmarks · range 63.7–73.5
Evidence as of 28 Oct 2026, 00:00 UTC
Market Gravity
41.7Decreased by 0.4
Secondary market signal
Input
$0.50
per 1M tokens
Output
$3.60
per 1M tokens
Context
262K
tokens
Providers
10
endpoints

Providers

Uptime measured over the last 30 minutes
ProviderInputOutputContextQuantUptime
AlibabaCheapest$0.39$2.34262K—100.0%
DeepInfrafp8$0.45$3.00262Kfp8100.0%
AtlasCloudfp8$0.55$3.50262Kfp8100.0%
DigitalOcean$0.55$3.50131K——
Phala$0.55$3.50262K—100.0%
GMICloudfp8$0.60$3.60262Kfp8—
Novita$0.60$3.60262K—66.67%
Parasailfp8$0.50$3.60262Kfp8100.0%
StreamLake$0.60$3.60256K—100.0%
Venice$0.75$4.50128K—100.0%

Hugging Face Inference Providers

Exact repository identity

Provider economics and telemetry published by the Hugging Face Router. These are operational signals, not benchmark results.

ProviderInputOutputContextTTFTThroughputFeatures
deepinfra
live
$0.45$3.00262K222 ms44.5 tok/stools · structured
novita
live
$0.60$3.60262K1197 ms60.5 tok/stools
ovhcloud
live
$0.71$4.25262K590 ms68.8 tok/stools · structured
featherless-ai
live
——————

Reported evaluation leads (23)

Not independent measurement

Structured rows reported in this exact model repository at the pinned revision below. They are the publisher talking about itself: never measured evidence, never a score input on their own. They remain quarantined until dataset revision, harness, configuration and identity pass ModelCap’s independent admission review.

Dataset / taskMetricValueRevisionProvenance
allenai/IFBench_test
prompt_level_loose
—76.5
Unpinned
not published
Reported
Quarantined
cais/hle
hle
—28.7
Unpinned
not published
Reported
Quarantined
cais/hle
hle
—48.3
Unpinned
not published
Reported
Quarantined
claw-eval/Claw-Eval
general
—57.8
Unpinned
not published
Reported
Quarantined
claw-eval/Claw-Eval
multimodal
—20.8
Unpinned
not published
Reported
Quarantined
claw-eval/Claw-Eval
multi_turn
—52.6
Unpinned
not published
Reported
Quarantined
collinear-ai/yc-bench
medium
—90,787
Unpinned
not published
Reported
Quarantined
harborframework/terminal-bench-2.0
terminalbench_2
—52.5
Unpinned
not published
Reported
Quarantined
Idavidrein/gpqa
diamond
—88.4
Unpinned
not published
Reported
Quarantined
internlm/WildClawBench
overall
—34.5
Unpinned
not published
Reported
Quarantined
internlm/WildClawBench
avg_time
—459
Unpinned
not published
Reported
Quarantined
internlm/WildClawBench
avg_cost
—22.2
Unpinned
not published
Reported
Quarantined
InternScience/ResearchClawBench
overall
—14.23
Unpinned
not published
Reported
Quarantined
likaixin/ScreenSpot-Pro
overall
—65.6
Unpinned
not published
Reported
Quarantined
MathArena/aime_2026
MathArena/aime_2026
—93.33
Unpinned
not published
Reported
Quarantined
MathArena/hmmt_feb_2026
MathArena/hmmt_feb_2026
—87.88
Unpinned
not published
Reported
Quarantined
mercor/apex-agents
apex-agents
—13.6
Unpinned
not published
Reported
Quarantined
MME-Benchmarks/Video-MME-v2
video-mme-v2
—55.9
Unpinned
not published
Reported
Quarantined
MME-Benchmarks/Video-MME-v2
video-mme-v2
—48.9
Unpinned
not published
Reported
Quarantined
SWE-bench/SWE-bench_Multilingual
swe_bench_multilingual_%_resolved
—69.3
Unpinned
not published
Reported
Quarantined

Showing 20 of 23 rows.

ModelCap Index · Current board

Methodology
68.6
Measured on 2 public benchmarks
Current board
#48 of 352
Score range
63.7–73.5
Rank range
#33–#65
Evidence as of
28 Oct 2026, 00:00 UTC
Benchmarks used
Arena Coding, Arena Overall
Technical details
Public rank basis
Measured (measured)
Evidence label
Measured · 2 public benchmark observations across 2 boards
Index support
63.6% · strong
Identity binding
Exact catalogue product · qwen/qwen/qwen3.5-397b-a17b · aggregates disclosed benchmark configurations · endpoint configuration not claimed · artifact metadata Qwen/Qwen3.5-397B-A17B@8472618112abcbd45acbcdc58436aff4233c23f7 (not the evaluation revision)
Index observations used
2
Qualified Index evidence point
68.6
Bayesian Evidence Score · measured evidence input only

BES normalizes admitted public benchmark evidence for measured Index rows. Its legacy score and observables prior do not define the public language rank.

Observed capability
68.6
Evidence status
confirmed · 77% mass
General preference
68.7
Coding
67.9
Agents & tools
—
Reasoning
—
Evidence breadth
92%
Evidence coverage
64%
Market and catalogue signals · secondary, never the language Index rank
Usage (OpenRouter popularity)
15.1
Liquidity (providers × uptime)
85.7
Open reach (HF downloads)
67.9
Surface (context / tools / modalities)
90.3
Freshness
36.7
  • · OpenRouter popularity #141
  • · 10 live providers
  • · HF 30d downloads 881421
  • · Catalogue: context 262144, reasoning, tools, modalities Text/Image/Video
  • · First seen 2026-02-16

These adoption and deployment observations remain context only. They do not change this model's ModelCap Index score or rank.

BES evidence selected · measured input only

The bounded 0–100 capability score blends each source’s competitive placement with its published achievement, then combines capability families. Evidence breadth adds a modest uncertainty adjustment; price and popularity are not part of benchmark-led rank.

Deployment readiness

Metadata index
85.5
strong · 94% metadata coverage
Not capability
Artifact reproducibility
85.0
Access & legal clarity
100.0
Deployability
97.1
Evaluation provenance
54.2

Not yet published: the base model it derives from, pinned evaluation dataset versions.

A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.

Market activity

Venue coverage
Market Gravity
41.7
OpenRouter weekly popularity
#141 of 339

Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.

Arena preference

Status
Ranked
Source
LMArena
Official rank
#94 of 419
Rating
1441.4
95% confidence interval
1438–1444
Votes
98K
Source published at
28 Oct 2026, 00:00 UTC
Category
overall
Identity match confidence
100%

Market Gravity breakdown

Usage55%
15.1

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
85.7

Independent providers versus the model's open or closed cohort, weighted by uptime.

Open reach15%
67.9

Hugging Face 30-day downloads for open models; neutral for closed models.

Freshness5%
36.7

Time since first public availability, on a six-month half-life.

Specification

Model ID
qwen/qwen3.5-397b-a17b
Context window
262K tokens
Declared output cap
236K tokens

OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. OpenRouter metadata

Inputs
Text, Image, Video
Outputs
Text
Tokenizer
Qwen3
Cached input tokens
$0.30 / 1M
First seen on OpenRouter
16 Feb 2026

Capabilities

  • Supported: Reasoning
  • Supported: Tool use
  • Supported: Structured output
  • Supported: Response format
  • Not supported: Moderated

Weights & access

Open weights. Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI.

Access
Open weights
Licence
apache-2.0
Pinned revision
8472618112ab
Parameters
403.4B
Architecture
Qwen3_5MoeForConditionalGeneration
Model type
qwen3_5_moe
Hugging Face downloads (30d)
881K
Downloads (all time)
6.6M
Likes
2K
Repository updated
24 Apr 2026, 05:51 UTC

Compare Qwen3.5 397B A17B with

Pick any model

Benchmark leaderboards featuring Qwen3.5 397B A17B

All leaderboards
Public benchmark boards on which Qwen3.5 397B A17B has a published result
LeaderboardScoreSource rankConfigurationPublished
Arena text leaderboardArena (LMArena)14411438–1444#94 of 419Not reported28 Oct 2026
Arena coding leaderboardArena (LMArena)14911486–1496#95 of 414Default28 Oct 2026

Alternatives to Qwen3.5 397B A17B, by the numbers

Ranked neighbours

Models within 3 places of #48 on the ModelCap Index.

Cheaper at a similar or higher Index

Index score within 3 points of, or above, this model's, with a lower listed blended price (3:1 input:output).

Other ranked Qwen models

The same publisher's other current models with a public Index position.

Qwen3.5 397B A17B: common questions

How does Qwen3.5 397B A17B rank among AI models?

Qwen3.5 397B A17B holds ModelCap Index position #48 of 352 ranked language models as of 6 November 2026, with an Index score of 68.6 (interval 63.7–73.5); evidence: measured. The Index combines public benchmark boards with published uncertainty; the methodology page explains the weighting.

How much does Qwen3.5 397B A17B cost per 1M tokens?

Qwen3.5 397B A17B is listed at $0.50 per 1M input tokens and $3.60 per 1M output tokens as of 6 November 2026; the lowest output price among 10 providers is $2.34 on Alibaba. Prices come from the OpenRouter catalogue and re-observe on every refresh. For 1,000 requests using 2,000 input and 500 output tokens each, the listed rates imply $2.80 total (2M input + 0.5M output). This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the chosen endpoint's rate and limits before budgeting.

What is the context window of Qwen3.5 397B A17B?

Qwen3.5 397B A17B has a published context window of 262K tokens (262,144). The snapshot lists a 235,929 token catalogue-declared route output cap. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. The providers table lists each endpoint's context limit.

Is Qwen3.5 397B A17B open-weight?

Open weights (apache-2.0). Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI. The repository is Qwen/Qwen3.5-397B-A17B on Hugging Face.

Which API providers serve Qwen3.5 397B A17B?

10 providers serve Qwen3.5 397B A17B through OpenRouter as of 6 November 2026: Alibaba, DeepInfra, Parasail, DigitalOcean, Phala and AtlasCloud and 4 more. Each provider's price, context limit, quantization and measured uptime are in the providers table above.

Which benchmarks has Qwen3.5 397B A17B been evaluated on?

Qwen3.5 397B A17B has published results on 2 public boards tracked by ModelCap as of 6 November 2026: Arena text 1441 (#94 of 419) and Arena coding 1491 (#95 of 414). Each board page ranks every tracked model on that benchmark. The ModelCap Index scores the results its methodology admits, with published uncertainty, and shows reference boards without scoring them.

How does Qwen3.5 397B A17B compare with Qwen3.7 Plus?

Qwen3.5 397B A17B ranks #48 (Index 68.6) and Qwen3.7 Plus ranks #36 (Index 72.3) on the ModelCap Index as of 6 November 2026. The head-to-head page lines up their benchmarks, listed prices, context windows and provider counts side by side.

When was Qwen3.5 397B A17B released?

Qwen3.5 397B A17B first appeared in the catalogue on 16 Feb 2026. It is the current version in its family. Rank and price movements since then are recorded on the site's changes feed.