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Qwen3.5 397B A17B

Qwen3.5-397B-A17B is Alibaba's most capable Qwen3.5 model, a Mixture-of-Experts architecture with 397B total parameters and 17B activated per token.

text + image + video → text · made by Alibaba

$0.39$2.34per Mtok in / out
Nous Research · 13 sellers

Sold by 31 ways

SellerLaneRate
DigitalOcean cloudstandard$0.55per Mtok in$3.5per Mtok out$0.11per Mtok cachedmodels.dev · read 2026-09-16
Thinking Machines Lab apitraining$3per Mtok in$7.5per Mtok out$0.6per Mtok cachedtinker-docs.thinkingmachines.ai · read 2026-08-25
Thinking Machines Lab apitraining-256k$4per Mtok in$10per Mtok out$0.8per Mtok cachedtinker-docs.thinkingmachines.ai · read 2026-08-25
Requesty 3 ways$0.32per Mtok in$2.16per Mtok out$0.16per Mtok cached
Requesty aggregatornot on the seller's list todaydeepinfra flex$0.32per Mtok in$2.16per Mtok out$0.16per Mtok cachedrouter.requesty.ai · read 2026-08-25
Requesty aggregatordeepinfra$0.36per Mtok in$2.4per Mtok out$0.18per Mtok cachedrouter.requesty.ai · read 2026-09-16
Requesty aggregatornebius$0.6per Mtok in$3.6per Mtok out$0.6per Mtok cachedrouter.requesty.ai · read 2026-08-28
Requesty aggregatornovita$0.6per Mtok in$3.6per Mtok out$0.6per Mtok cachedrouter.requesty.ai · read 2026-08-28
Nous Research aggregatorstandard$0.39per Mtok in$2.34per Mtok out$0.18per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
OpenRouter 11 ways$0.55per Mtok in$3.5per Mtok out$0.23per Mtok cached
OpenRouter aggregatoralibaba$0.39per Mtok in$2.34per Mtok outopenrouter.ai · read 2026-08-25
OpenRouter aggregatordeepinfra/fp8$0.45per Mtok in$3per Mtok out$0.22per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorparasail/fp8$0.5per Mtok in$3.6per Mtok out$0.3per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorstandard$0.55per Mtok in$3.5per Mtok out$0.23per Mtok cachedopenrouter.ai · read 2026-09-09
OpenRouter aggregatoratlas-cloud/fp8$0.55per Mtok in$3.5per Mtok out$0.55per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatordigitalocean$0.55per Mtok in$3.5per Mtok out$0.11per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorphala$0.55per Mtok in$3.5per Mtok out$0.23per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorgmicloud/fp8$0.6per Mtok in$3.6per Mtok outopenrouter.ai · read 2026-08-27
OpenRouter aggregatornovita$0.6per Mtok in$3.6per Mtok outopenrouter.ai · read 2026-08-25
OpenRouter aggregatorstreamlake$0.6per Mtok in$3.6per Mtok out$0.12per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorvenice$0.75per Mtok in$4.5per Mtok outopenrouter.ai · read 2026-08-25
SiliconFlow aggregatorstandard$0.39per Mtok in$2.34per Mtok outmodels.dev · read 2026-09-16
DeepInfra aggregatorstandard$0.45per Mtok in$3per Mtok out$0.22per Mtok cachedapi.deepinfra.com · read 2026-08-25
Hugging Face Inference Providers 5 ways$0.6per Mtok in$3.6per Mtok out
Hugging Face Inference Providers aggregatordeepinfra$0.45per Mtok in$3per Mtok outrouter.huggingface.co · read 2026-08-25
Hugging Face Inference Providers aggregatorstandard$0.6per Mtok in$3.6per Mtok outmodels.dev · read 2026-09-16
Hugging Face Inference Providers aggregatornovita$0.6per Mtok in$3.6per Mtok outrouter.huggingface.co · read 2026-08-25
Hugging Face Inference Providers aggregatorscaleway$0.68per Mtok in$4.1per Mtok outrouter.huggingface.co · read 2026-08-25
Hugging Face Inference Providers aggregatorovhcloud$0.71per Mtok in$4.25per Mtok outrouter.huggingface.co · read 2026-08-25
Nebius Token Factory aggregatorstandard$0.6per Mtok in$3.6per Mtok outtokenfactory.nebius.com · read 2026-08-25
Novita AI aggregatorstandard$0.6per Mtok in$3.6per Mtok outapi.novita.ai · read 2026-08-25
Together AI aggregatorstandard$0.6per Mtok in$3.6per Mtok out$0.35per Mtok cachedmodels.dev · read 2026-09-16
ElectronHub aggregatorstandard$1per Mtok in$4per Mtok outapi.electronhub.ai · read 2026-09-16
PPIO aggregatorstandard$3per Mtok in$18per Mtok outapi.ppinfra.com · read 2026-09-16

Measured 22 standings

PlaceBoardMetricScore
1stof 8τ²-bench Leaderboard (Overall: Retail · Airline · Telecom)Pass^187.9
7thof 262MMLU-ProOverall (accuracy)87.8
20thof 32AIME 2026Accuracy (± 95% CI)94.17
28thof 28τ³-Banking LeaderboardPass^19.8
41stof 161Dtbench — Epoch AIAccuracy87.47
42ndof 123Lmca — Epoch AIScore37.89
58thof 127Mystery game puzzles — Epoch AImean_score (none)18
61stof 106Frontiermath tiers 1 3 v2 — Epoch AImean_score (none)31.228
65thof 109Design Arena · svg (models)Elo1164
66thof 290OTIS Mock AIME 2024-2025mean_score88.889
70thof 313GPQA Diamondmean_score (none)86.364
71stof 147Design Arena · 3d (models)Elo1189
79thof 156Design Arena · codecategories (models)Elo1195
79thof 162Design Arena · website (models)Elo1203
85thof 152Design Arena · dataviz (models)Elo1191
90thof 143Artificial Analysis · Agentic IndexIndex10.6
90thof 150Design Arena · uicomponent (models)Elo1178
91stof 155Design Arena · gamedev (models)Elo1163
96thof 184Artificial Analysis · Coding IndexIndex48.2
113thof 302Artificial Analysis · Intelligence IndexArtificial Analysis Intelligence Index21
116thof 222Chess puzzles — Epoch AImean_score (none)13
265thof 656Epoch capabilities index — Epoch AIECI Score (none)147

About

Qwen3.5 397B A17B — a text model from Alibaba, sold by 13 companies from $0.39 in and $2.34 out per million tokens, placed 1st of 8 on τ²-bench Leaderboard (Overall: Retail · Airline · Telecom).

It takes text, images and video and returns text, with a context window of 262,144 tokens. It was published in July 2025, trained on material up to April 2025. Its sellers say it can reason step by step and call a tool. The catalogue files it under reasoning and agents. Thirteen companies sell it. The cheapest is $0.39 in and $2.34 out per million tokens at Nous Research. Beside the standard rate there are separately routed and regional lanes. It has been measured on 22 boards, and stands best at 1st of 8 on τ²-bench Leaderboard (Overall: Retail · Airline · Telecom).

Every current figure

Maker
Alibaba
Register
model
Takes
text + image + video
Returns
text
Context
262,144 tokens
Published
July 2025
Knowledge to
April 2025
Parameters
403 billion
Licence
not read
Sellers
13
Maker's own price
not read
Price
$0.39 in and $2.34 out per million tokens — Nous Research
Boards
22
Best place
1st of 8 — τ²-bench Leaderboard (Overall: Retail · Airline · Telecom)

Known as 7 names

Qwen3.5-397b-a17bQwen/Qwen3.5-397B-A17Bdeepinfra/Qwen/Qwen3.5-397B-A17Bdeepinfra/Qwen/Qwen3.5-397B-A17B:flexnebius/qwen/qwen3.5-397b-a17bnovita/qwen/qwen3.5-397b-a17bQwen/Qwen3.5-397B-A17B:peft:262144