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Head-to-head comparison

Qwen3.5-9B vs Qwen3 VL 8B Instruct

Qwen3.5-9B (Qwen) and Qwen3 VL 8B Instruct (Qwen) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 5 October 2026

As of 5 October 2026, Qwen3.5-9B holds the stronger ModelCap Index position (#101 vs #204); and Qwen3.5-9B is 3× cheaper per output token ($0.15/1M vs $0.455/1M).

Which should you choose?

Choose Qwen3.5-9B if…

  • you want the stronger overall ModelCap Index position — #101 against #204 (55.5 vs 36.3 points).
  • API cost matters — $0.15/1M output tokens against $0.455/1M, about 3× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.10/1M against $0.117/1M.
  • you want provider choice — 6 listed API providers against 2.
  • AA τ²-Bench Telecom is your yardstick — 86.8% against 29.2%.
  • AA Humanity's Last Exam is your yardstick — 14.9% against 2.7%.
  • you want the more recently listed model — Qwen3.5-9B was listed 10 March 2026, Qwen3 VL 8B Instruct 14 October 2025.

Choose Qwen3 VL 8B Instruct if…

  • ModelCap publishes no field on which Qwen3 VL 8B Instruct leads Qwen3.5-9B for this pair.

Qwen3.5-9B vs Qwen3 VL 8B Instruct: specs, pricing and context

Specification comparison of Qwen3.5-9B and Qwen3 VL 8B Instruct
FieldQwen3.5-9BQwenQwen3 VL 8B InstructQwen
ModelCap Index position#101#204
Index score55.536.3
EvidenceMeasuredEstimated
Input price / 1M tokens$0.10$0.117
Output price / 1M tokens$0.15$0.455
Context window262K tokens262K tokens
Declared route output cap33K33K
API providers listed62
Weight accessOpen weightsOpen weights
Input modalitiesText, Image, VideoImage, Text
First listed10 March 202614 October 2025
PublisherQwenQwen

Evidence: 1 public benchmark observation across 1 board · 3 reported rows against measured corpus ladders (63%); publisher-corpus-prior over 231 held-out anchors (38%); shrunk 10.4 up toward the measured corpus. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3.5-9B vs Qwen3 VL 8B Instruct

Public benchmark boards where Qwen3.5-9B or Qwen3 VL 8B Instruct has a published result
BoardQwen3.5-9BQwen3 VL 8B InstructLeads
AA Intelligence IndexArtificial Analysis11.2Reasoning—Only one result
AA Terminal-Bench 2.1Artificial Analysis29.2%Reasoning—Only one result
AA τ²-Bench TelecomArtificial Analysis86.8%Reasoning29.2%Non-reasoningQwen3.5-9B
AA Humanity's Last ExamArtificial Analysis14.9%Reasoning2.7%Non-reasoningQwen3.5-9B

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Qwen3.5-9B vs Qwen3 VL 8B Instruct: common questions

Is Qwen3.5-9B better than Qwen3 VL 8B Instruct?

Qwen3.5-9B ranks higher on the ModelCap Index as of 5 October 2026: #101 against #204. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Qwen3.5-9B cheaper than Qwen3 VL 8B Instruct?

Qwen3.5-9B is cheaper on output tokens: $0.15/1M against $0.455/1M. Input tokens are $0.10/1M for Qwen3.5-9B and $0.117/1M for Qwen3 VL 8B Instruct. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.27 for Qwen3.5-9B versus $0.46 for Qwen3 VL 8B Instruct. Qwen3.5-9B costs 40.4% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.

Which has the bigger context window, Qwen3.5-9B or Qwen3 VL 8B Instruct?

Both publish a 262K-token context window. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified.

Which is better for coding, Qwen3.5-9B or Qwen3 VL 8B Instruct?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Qwen3.5-9B and Qwen3 VL 8B Instruct open-weight models?

Qwen3.5-9B: Open weights. Qwen3 VL 8B Instruct: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence. A missing weight link does not identify every API or chat product that offers a model.

Where can I run Qwen3.5-9B and Qwen3 VL 8B Instruct?

ModelCap currently lists 6 API providers for Qwen3.5-9B and 2 for Qwen3 VL 8B Instruct, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3.5-9B vs Qwen3 VL 8B Instruct comparison?

Every figure and ModelCap Index position comes from the same published snapshot dated 5 October 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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