BenchLeader

Qwen3.5-9B

Reasoning effort

Qwen3.5-9B is an Alibaba open-weights reasoning model, released 24 Feb 2026. Its best configuration (thinking reasoning effort) ranks #410 of 785 on the BenchLeader Index at 49.0 ±7.3, in the lower half. The ± is the point: 424 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in instruction following (66) and lowest in knowledge (37). At $0.155 per million tokens blended it is among the cheapest fifth of ranked models. Output speed of 59 tokens per second puts it slower than most, with a first answer in 36.0 s. It has been measured at 3 reasoning-effort settings; this summary describes the best-scoring one, and the tabs above switch between them. Last measured 2 Mar 2026.stale: no new result in six months

Blended price
$0.155/M
$0.140 in · $0.200 out
Output speed
59 tok/s
measured by Artificial Analysis
First answer
36 s
first token 0.77 s
Context
262k
Full answer
45 s
median, reasoning included
Cost per run
$0.213
one full Intelligence Index run
Released
24 Feb 2026
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Overall index49
  2. Reasoning41
  3. Agents & tools41
  4. Knowledge37
  5. Instruction following66
  6. Multimodal52
  7. Long context60
  8. Composite42

Reasoning-effort configurations

The same model behaves differently depending on how much it is allowed to think. Each row is one setting, scored only on the benchmarks that were run at that setting. “Not stated” collects results from publishers that did not say which setting they used; for a reasoning model that is usually its thinking mode, but we do not assume it. Pick a setting here or at the top of the page to see its price, speed and category scores.

EffortIndexRankSpeedFirst answerChat reply costCategories
no reasoning46.4#48879 tok/s0.75 s$0.0001Agents & tools 50 · Composite 44 · Instruction following 41 · Knowledge 30 · Long context 47 · Maths 50 · Multimodal 50 · Reasoning 50
thinkingbest49.0#41059 tok/s36 s$0.0001Agents & tools 41 · Composite 42 · Instruction following 66 · Knowledge 37 · Long context 60 · Multimodal 52 · Reasoning 41
not stated40.1#66270 tok/s0.77 s$0.0001Agents & tools 24 · Coding 26 · Maths 37 · Reasoning 57

How its index has moved

9 Sept 2026 to 21 Oct 2026
334557
  • thinking
  • no reasoning
  • not stated

The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.

Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Reasoning

Benchmarkno reasoningthinkingnot statedSourceTrend
GPQA Diamond78.9%#131–79.0%#130Epoch AI Benchmarking Hub
GPQA Diamond (AA)not in index78.6%#20880.6%#190–Artificial Analysis
Humanity's Last Exam (AA)not in index9.4%#33614.9%#254–Artificial Analysis
CritPt0.6%#2540.3%#271–Artificial Analysis
LMCAnot in indexeffort not stated––24.5%#150Epoch AI Benchmarking Hub
DTBenchnot in indexeffort not stated––71.2%#155Epoch AI Benchmarking Hub

Coding

Benchmarkno reasoningthinkingnot statedSourceTrend
SciCodeeffort not stated––29.5%#198SciCode
SciCode (AA)not in index–29.5%#212–Artificial Analysis
Terminal-Bench 4.0 (AA)not in index–0.5%#139–Artificial Analysis
Terminal-Bench 2.1 (AA)not in index21.4%#17029.2%#157–Artificial Analysis

Agents & tools

Benchmarkno reasoningthinkingnot statedSourceTrend
Terminal-Bencheffort not stated––9.2%#83Terminal-Bench
Terminal-Bench Hard18.2%#17124.2%#144–Artificial Analysis
τ²-Bench Telecom (AA)not in index85.1%#9486.8%#83–Artificial Analysis
GDPval-AA v2.1not in index–0.0%#124–Artificial Analysis
τ³-Banking (AA)–7.0%#163–Artificial Analysis
AutomationBenchnot in index–1.1%#194–Artificial Analysis
GDP.pdf (AA)not in index–6.6%#150–Artificial Analysis

Maths

Benchmarkno reasoningnot statedSourceTrend
OTIS Mock AIME61.7%#16242.8%#196Epoch AI Benchmarking Hub
AIME 2026effort not statedpossible contamination–92.5%#23MathArena
HMMT February 2026effort not statedpossible contamination–71.2%#29MathArena
MathArena Apexeffort not statedpossible contamination–0.5%#41MathArena

Knowledge

Benchmarkno reasoningthinkingSourceTrend
AA-Omniscience-70.7#517-53.5#420Artificial Analysis
AA-Omniscience: accuracynot in index14.0%#44616.4%#389Artificial Analysis
AA-Omniscience: non-hallucinationnot in index1.6%#55116.4%#327Artificial Analysis

Instruction following

Benchmarkno reasoningthinkingSourceTrend
IFBench37.8%#28966.7%#91Artificial Analysis

Multimodal

Benchmarkno reasoningthinkingSourceTrend
MMMU-Pro66.8%#16869.3%#153Artificial Analysis

Long context

Benchmarkno reasoningthinkingSourceTrend
AA-LCR46.0%#33370.0%#215Artificial Analysis

Composite

Benchmarkno reasoningthinkingnot statedSourceTrend
Epoch Capabilities Indexnot in indexeffort not stated––139.3#115Epoch AI Benchmarking Hub
AA Intelligence Index v4.3.213.3#31211.2#359–Artificial Analysis

Where to run it

Every provider serving this model through OpenRouter, with throughput and first-token latency measured on live traffic over the last 30 minutes and each provider’s own price. Purple marks the best in each column.

ProviderSpeedFirst tokenInput $/MOutput $/MContextQuantisation
Parasail101 tok/s0.45 s$0.100$0.250262kbf16
Together69 tok/s1.22 s$0.170$0.250262k–
DeepInfra32 tok/s0.79 s$0.100$0.150262kbf16
SiliconFlow24 tok/s1.01 s$0.100$0.150262kfp8
Darkbloom22 tok/s2.08 s$0.080$0.130262kfp4

Price history

The price above, per 1M tokens, every day it changed.

$0.00$0.055$0.110$0.165$0.220Sept 26Oct 26
input outputnow $0.140 in · $0.200 out

What a task costs

Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache at $0.060 per 1M. Reasoning tokens are not modelled.

WorkloadTokens in / outCostWith cachingTime
Chat reply400 / 300$0.0001$0.000141.1 s
Summarize a 30-page report12,000 / 600$0.0018$0.001146.2 s
Code edit6,000 / 1,500$0.0011$0.00081.0 min
Agentic coding session60,000 / 4,000$0.0092$0.00561.7 min
Structured extraction2,000 / 200$0.0003$0.000239.4 s

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See also

Questions people ask

What are Qwen3.5-9B's benchmark scores?
As of 24 Oct 2026, Qwen3.5-9B (thinking effort) scores 49.0 ±7.3 on the BenchLeader Index, strongest in instruction following (66) and weakest in knowledge (37). That rests on 8 independent benchmark results, and every score on this page links to its publisher.
How does Qwen3.5-9B rank?
Qwen3.5-9B (thinking effort) is #410 of 785 ranked configurations on 24 Oct 2026. 424 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
How much does Qwen3.5-9B cost per 1M tokens?
As of 24 Oct 2026, Qwen3.5-9B costs $0.140 per 1M input tokens and $0.200 per 1M output tokens, $0.155 blended (three input tokens per output token). The list price last changed on 6 Oct 2026.
When was Qwen3.5-9B released?
Alibaba released Qwen3.5-9B on 24 Feb 2026. BenchLeader has results for it at 3 reasoning-effort settings.

Data as of 24 Oct 2026. Compare these configurations.

Cite as: BenchLeader, “Qwen3.5-9B: benchmarks, pricing, speed and rank”, data as of 24 Oct 2026, https://www.benchleader.com/models/qwen3-5-9b.