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Head-to-head comparison

Qwen3.5 397B A17B vs Qwen3.7 Plus

Qwen3.5 397B A17B (Qwen) and Qwen3.7 Plus (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 7 November 2026

As of 7 November 2026, Qwen3.7 Plus holds the stronger ModelCap Index position (#36 vs #47); Qwen3.7 Plus is 2.8× cheaper per output token ($1.28/1M vs $3.60/1M); Qwen3.7 Plus offers the longer context window (1M vs 262K tokens); and Qwen3.5 397B A17B ships open weights.

Which should you choose?

Choose Qwen3.5 397B A17B if…

  • you want to self-host: Qwen3.5 397B A17B ships open weights while Qwen3.7 Plus is no linked weights.
  • you want provider choice — 10 listed API providers against 1.

Choose Qwen3.7 Plus if…

  • you want the stronger overall ModelCap Index position — #36 against #47 (72.4 vs 68.9 points).
  • API cost matters — $1.28/1M output tokens against $3.60/1M, about 2.8× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.32/1M against $0.50/1M.
  • you need the longer context window — 1M tokens against 262K.
  • Arena text is your yardstick — 1455 against 1442.
  • Arena coding is your yardstick — 1500 against 1491.
  • you want the more recently listed model — Qwen3.7 Plus was listed 3 June 2026, Qwen3.5 397B A17B 16 February 2026.

Qwen3.5 397B A17B vs Qwen3.7 Plus: specs, pricing and context

Specification comparison of Qwen3.5 397B A17B and Qwen3.7 Plus
FieldQwen3.5 397B A17BQwenQwen3.7 PlusQwen
ModelCap Index position#47#36
Index score68.972.4
EvidenceMeasuredMeasured
Input price / 1M tokens$0.50$0.32
Output price / 1M tokens$3.60$1.28
Context window262K tokens1M tokens
Declared route output cap236K131K
API providers listed101
Weight accessOpen weightsNo linked weights
Input modalitiesText, Image, VideoText, Image
First listed16 February 20263 June 2026
PublisherQwenQwen

Evidence: 2 public benchmark observations across 2 boards · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3.5 397B A17B vs Qwen3.7 Plus

Public benchmark boards where Qwen3.5 397B A17B or Qwen3.7 Plus has a published result
BoardQwen3.5 397B A17BQwen3.7 PlusLeads
Arena textArena (LMArena)14421438–1445Not reported14551451–1460Not reportedQwen3.7 Plus
Arena codingArena (LMArena)14911486–149615001494–1506Qwen3.7 Plus
LMArena AgentLMArena—-7.5%-9.0%–-5.9%Only one result

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 397B A17B vs Qwen3.7 Plus: common questions

Is Qwen3.5 397B A17B better than Qwen3.7 Plus?

Qwen3.7 Plus ranks higher on the ModelCap Index as of 7 November 2026: #36 against #47. 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 397B A17B cheaper than Qwen3.7 Plus?

Qwen3.7 Plus is cheaper on output tokens: $1.28/1M against $3.60/1M. Input tokens are $0.50/1M for Qwen3.5 397B A17B and $0.32/1M for Qwen3.7 Plus. 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 $2.80 for Qwen3.5 397B A17B versus $1.28 for Qwen3.7 Plus. Qwen3.7 Plus costs 54.3% 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 397B A17B or Qwen3.7 Plus?

Qwen3.7 Plus has the larger context window: 1M tokens against 262K. 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 397B A17B or Qwen3.7 Plus?

Arena coding: Qwen3.5 397B A17B 1491, Qwen3.7 Plus 1500 — Qwen3.7 Plus leads.

Are Qwen3.5 397B A17B and Qwen3.7 Plus open-weight models?

Qwen3.5 397B A17B: Open weights. Qwen3.7 Plus: No linked 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 397B A17B and Qwen3.7 Plus?

ModelCap currently lists 10 API providers for Qwen3.5 397B A17B and 1 for Qwen3.7 Plus, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3.5 397B A17B vs Qwen3.7 Plus comparison?

Every figure and ModelCap Index position comes from the same published snapshot dated 7 November 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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