Qwen3.5 397B A17B

Qwen
Qwen3.5 397B A17B launch post cover

Cost/1M tokens

input
$0.60
cached
$0.12
output
$3.60
Context
262Ktokens
Released
9mo ago
Size
397Bparameters

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

Arena #96

  1. 1489
    Gemini 3.7 FlashSimilar price
  2. 1461
    Kimi K2.6Similar price
  3. 1448
    Step 5 PreviewSimilar price
  4. 1442
    Grok 4.7Nearby rank
  5. 1442
    Grok 4.3Nearby rank
  6. 1441
    Qwen3.5 397B A17B
  7. 1441
    GLM 4.7Nearby rank
  8. 1441
    GPT-6 LunaNearby rank
  9. 1402
    Qwen3 235B-A22BPredecessor
  10. 1290
    Nova Pro 1.0Similar price

+39 vs Qwen3 235B-A22B (predecessor) · Ahead of 1 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Arena #103

  1. 1588
    Gemini 3.7 FlashSimilar price
  2. 1581
  3. 1573
    Step 5 PreviewSimilar price
  4. 1509
    Kimi K2.6Similar price
  5. 1408
    Inkling SmallNearby rank
  6. 1406
    GPT-5.3-CodexNearby rank
  7. 1400
    Qwen3.5 397B A17B
  8. 1399
    GLM 5V TurboNearby rank
  9. 1398
    MiniMax M2.7Nearby rank

Ahead of 0 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Arena #59

  1. 1294
    Gemini 3.7 FlashSimilar price
  2. 1265
    Kimi K2.6Similar price
  3. 1247
    Gemini 2.5 ProNearby rank
  4. 1247
    MiMo-V2.6-ProNearby rank
  5. 1246
    Qwen3.5 397B A17B
  6. 1245
    Step 5 PreviewSimilar price
  7. 1243
    Qwen3.8 27BNearby rank
  8. 1019
    Nova Pro 1.0Similar price

Ahead of 1 of 4 similarly priced models

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

FrontierMath-Tiers-1-3-v2-Private

Best score per model · Higher is better

#69 of 87

  1. 71.6%
    Gemini 3.7 FlashSimilar price
  2. 64.6%
  3. 57.2%
    Kimi K2.6Similar price
  4. 42.8%
    Grok 4.3Similar price
  5. 33.3%
    o3Nearby rank
  6. 33.3%
    InklingNearby rank
  7. 31.2%
    Qwen3.5 397B A17B
  8. 27.7%
  9. 26.3%
    GPT-5.5 InstantNearby rank

Ahead of 0 of 4 similarly priced models

GPQA diamond

Best score per model · Higher is better

#63 of 161

  1. 94.8%
    Gemini 3.7 FlashSimilar price
  2. 91.7%
  3. 90.8%
    Kimi K2.6Similar price
  4. 87.8%
    GLM 5Similar price
  5. 87.4%
  6. 86.9%
    GPT-5.4 MiniNearby rank
  7. 86.4%
    Qwen3.5 397B A17B
  8. 86.2%
    GPT-5Nearby rank
  9. 86.0%
    Claude Opus 4.5Nearby rank
  10. 70.7%
    Qwen3 235B-A22BPredecessor

+15.7 pts vs Qwen3 235B-A22B (predecessor) · Ahead of 0 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#59 of 158

  1. 98.6%
  2. 97.2%
    Gemini 3.7 FlashSimilar price
  3. 96.1%
    Kimi K2.6Similar price
  4. 88.9%
    GPT-5.4 MiniNearby rank
  5. 88.9%
    gpt-oss-120bNearby rank
  6. 88.9%
    Qwen3.5 397B A17B
  7. 88.9%
    InklingNearby rank
  8. 88.6%
    GPT-5.1Nearby rank
  9. 80.0%
    GLM 5Similar price

Ahead of 1 of 4 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.

Arena ratings: Arena (lmarena-ai/leaderboard-dataset), licensed CC BY 4.0. Ratings come from pairwise human votes and are only comparable within one leaderboard; the interval is Arena's 95% confidence interval. Model names are matched to the Vertical Tabs catalog.

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