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Qwen3.5-9B

Qwen · released Mar 10, 2026

Open weightsReasoningTool useStructured outputVisionVideo in

Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...

Specification

Context window
262K
Max output
262K
Knowledge cutoff
Not stated
Parameters
9.7B
Licence
apache-2.0
Serving providers
5
Moderated
No
Uptime
100.0%

Intelligence

21.8

63th percentile

Coding

28.7

Coding Index

Agentic

7.0

Agentic Index

Output speed

42 t/s

Median across providers

Latency

446ms

Time to first token

Cost per task

$0.02

Estimated

Benchmarks

Where the score comes from

The Intelligence Index is a composite. These are the underlying evaluations this model was actually measured on.

Evaluation scores

Percentage correct · higher is better

  • τ²-bench (Telecom)
    86.8%
  • GPQA Diamond
    80.6%
  • IFBench
    66.7%
  • AA-LCR (long context)
    65.3%
  • SciCode
    27.5%
  • Terminal-Bench Hard
    24.2%
  • Humanity's Last Exam
    14.9%

An evaluation missing from this list was not run for this model — it is not a zero.

View as table
EvaluationScore
τ²-bench (Telecom)86.8%
GPQA Diamond80.6%
IFBench66.7%
AA-LCR (long context)65.3%
SciCode27.5%
Terminal-Bench Hard24.2%
Humanity's Last Exam14.9%

Against its peers

Intelligence Index · this model highlighted, nearest peers in grey

Peers are the models sitting closest on the Intelligence Index — the set you would realistically choose between.

View as table
ModelIntelligence
GLM 4.623.4
GLM 4.7 Flash23.3
Mercury 221.9
Qwen3.5-9B21.8
V3.1 Terminus21.7
Qwen3 Coder Next21.3
R120.4
North Mini Code (free)20.2

Percentile among all indexed models

Intelligence63th
Coding41th
Agentic20th
Terminal work64th

Pricing

What it costs to run

List prices per million tokens, plus what one representative task works out to.

List price

Input / 1M tokens
$0.1
Output / 1M tokens
$0.15
Cached input / 1M
Not offered
Blended 3:1
$0.113

One task, estimated

$0.02

Input tokens
50,000
Output tokens
80,000
Profile
Reasoning

Estimated from list pricing: 50K input tokens plus 80K output tokens for reasoning models (25K for non-reasoning).

Serving providers

Speed and latency figures are medians across these providers, so a widely-served model reports a blend rather than any single endpoint.