> Qwen3.5-9B is an open-weights AI model from Alibaba, released 24 Feb 2026. Index score 130 (GPT-4 = 100), rank 118 of 229 ranked models. API price $0.10 in / $0.15 out per million tokens, 262K context.

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# Qwen3.5-9B

Alibaba

Released 24 Feb 2026

Open

[Compare](https://themodelindex.org/compare/qwen3-5-9b-vs-gpt-5-4/) [Run it yourself →](https://themodelindex.org/local/)

130118–142

Index score

#118 of 229 models

2/ 8

Core tests taken

2 of 6 areas · plus 4 anchor tests

−40

Versus the frontier at release

best then: GPT-5.3-Codex

$0.10/ $0.15

Price per million tokens

input / output, list price

262K

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

o1 reached this score 15 months earlier.

## Test results · by area · tick = best by any model

Show 4 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

79%

Humanity's Last Exam

no result

Maths

evidence

FrontierMath T1-3

no result

Coding

evidence

SWE-bench Verified

no result

Terminal-Bench

9%

Agents

evidence

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

The Model Index

independent tests, our method

#118

of 219 · 130

Artificial Analysis Intelligence Index

overall capability across ten evaluations

#80

of 207 · 13

Epoch Capabilities Index

overall capability from many benchmarks

#107

of 239 · 139.5

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Not in the top three among current models on any category we track.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

Qwen Chat

app · subscription

↗

Alibaba Cloud Model Studio

API

↗

#### API providers · 6 · per million tokens, in / out

D

Darkbloom

$0.080 / $0.13 · fp4

cheapest

S

SiliconFlow

$0.10 / $0.15 · fp8

↗

D

DeepInfra

$0.10 / $0.15 · bf16

↗

V

Venice

$0.10 / $0.15 · fp8

↗

P

Parasail

$0.10 / $0.25 · bf16

↗

T

Together

$0.17 / $0.25

↗

#### Run it yourself

🤗

Official weights

Qwen/Qwen3.5-9B

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

24 Feb 2026

Announcement

not linked yet

Release entry

–

Scored as

Qwen3.5-9B

Artificial Analysis index

11

Output speed

36 tokens/s

Hugging Face

[Qwen/Qwen3.5-9B ↗](https://huggingface.co/Qwen/Qwen3.5-9B)

## Alibaba releases · around this one

Qwen

Closed

11 APR 2023

Tongyi Qianwen

Closed

11 APR 2023

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Source: https://themodelindex.org/models/qwen3-5-9b/ · The Model Index · data as of 2026-10-01