Qwen3.5-9B

Qwen
Qwen3.5-9B cover image

Cost/1M tokens

input
$0.078
cached
$0.07
output
$0.114
Context
262Ktokens
Released
8mo ago
Size
9Bparameters

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Arena leaderboards and other sourced evaluations appear below; missing scores are not zero.

How it ranks

Against its predecessor, similarly priced models and the models ranked around it.

DeepSWE 1.1

Best pass@1 per model · Higher is better

Not evaluated in DeepSWE 1.1

Arena Text

Best Arena rating per model · Higher is better

Not ranked on Arena Text yet

Arena WebDev

Best Arena rating per model · Higher is better

Not ranked on Arena WebDev yet

Arena Vision

Best Arena rating per model · Higher is better

Not ranked on Arena Vision yet

Arena Search

Best Arena rating per model · Higher is better

Not ranked on Arena Search yet

Agent Arena

Best IPS score per model · Higher is better

Not ranked on Agent Arena yet

GPQA diamond

Best score per model · Higher is better

#90 of 161

  1. 91.0%
  2. 79.7%
  3. 79.2%
    Claude Sonnet 4Nearby rank
  4. 79.0%
    Qwen3.5-9B
  5. 78.5%
    GPT-5.4 NanoNearby rank
  6. 77.6%
    Seed 1.6Nearby rank
  7. 56.8%
    Qwen3 8BPredecessor
  8. 56.1%
    Phi 4Similar price
  9. 39.5%
    Gemma 3 12BSimilar price
  10. 23.9%

+22.2 pts vs Qwen3 8B (predecessor) · Ahead of 3 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#112 of 158

  1. 94.4%
  2. 62.8%
    Qwen3 30B A3BNearby rank
  3. 62.2%
  4. 61.7%
    Qwen3.5-9B
  5. 59.2%
    QwQ 32BNearby rank
  6. 58.3%
    GLM 4.7 FlashNearby rank
  7. 56.1%
    Qwen3 8BPredecessor
  8. 16.7%
    Gemma 3 12BSimilar price
  9. 13.8%
    Phi 4Similar price
  10. 0.6%

+5.6 pts vs Qwen3 8B (predecessor) · Ahead of 3 of 4 similarly priced models

Terminal Bench

Best score per model · Higher is better

#48 of 49

  1. 21.8%
    GPT-5 NanoSimilar price
  2. 18.7%
    gpt-oss-120bNearby rank
  3. 17.1%
    Gemini 2.5 FlashNearby rank
  4. 9.2%
    Qwen3.5-9B
  5. 3.4%
    gpt-oss-20bSimilar price

Ahead of 1 of 2 similarly priced models

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

All published scores

Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.

To give you the best experience, we use cookies for personalization, insights, and performance. Learn more.