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Head-to-head comparison

Qwen3.7 Plus vs Qwen3.8 27B

Qwen3.7 Plus (Qwen) and Qwen3.8 27B (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 17 August 2026

As of 17 August 2026, Qwen3.8 27B holds the stronger ModelCap Index position (#16 vs #18); Qwen3.7 Plus is 2.5× cheaper per output token ($1.28/1M vs $3.20/1M); Qwen3.7 Plus offers the longer context window (1M vs 262K tokens); and Qwen3.8 27B ships open weights.

Which should you choose?

Choose Qwen3.7 Plus if…

  • API cost matters — $1.28/1M output tokens against $3.20/1M, about 2.5× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.32/1M against $0.45/1M.
  • you need the longer context window — 1M tokens against 262K.

Choose Qwen3.8 27B if…

  • you want the stronger overall ModelCap Index position — #16 against #18 (69.6 vs 67.5 points).
  • you want to self-host: Qwen3.8 27B ships open weights while Qwen3.7 Plus is api only.
  • you want provider choice — 3 listed API providers against 1.
  • Artificial Analysis Intelligence Index is your yardstick — 52.0 against 39.4.
  • you want the more recently listed model — Qwen3.8 27B was listed 14 August 2026, Qwen3.7 Plus 3 June 2026.

Qwen3.7 Plus vs Qwen3.8 27B: specs, pricing and context

Specification comparison of Qwen3.7 Plus and Qwen3.8 27B
FieldQwen3.7 PlusQwenQwen3.8 27BQwen
ModelCap Index position#18#16
Index score67.569.6
EvidenceMeasuredMeasured
Input price / 1M tokens$0.32$0.45
Output price / 1M tokens$1.28$3.20
Context window1M tokens262K tokens
Max output tokens131K131K
API providers listed13
Weight accessAPI onlyOpen weights
Input modalitiesText, ImageText, Image, Video
First listed3 June 202614 August 2026
PublisherQwenQwen

Evidence: 4 public benchmark observations across 4 boards · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3.7 Plus vs Qwen3.8 27B

Public benchmark boards where Qwen3.7 Plus or Qwen3.8 27B has a published result
BoardQwen3.7 PlusQwen3.8 27BLeads
Arena codingArena (LMArena)15061499–1514—Only one result
LMArena AgentLMArena-2.0%-3.3%–-0.6%—Only one result
Artificial Analysis Intelligence IndexArtificial Analysis39.4intelligence-index52.0intelligence-indexQwen3.8 27B

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.

Qwen3.7 Plus vs Qwen3.8 27B: common questions

Is Qwen3.7 Plus better than Qwen3.8 27B?

Qwen3.8 27B ranks higher on the ModelCap Index as of 17 August 2026: #16 against #18. 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.

Is Qwen3.7 Plus cheaper than Qwen3.8 27B?

Qwen3.7 Plus is cheaper on output tokens: $1.28/1M against $3.20/1M. Input tokens are $0.32/1M for Qwen3.7 Plus and $0.45/1M for Qwen3.8 27B. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Qwen3.7 Plus or Qwen3.8 27B?

Qwen3.7 Plus has the larger context window: 1M tokens against 262K.

Which is better for coding, Qwen3.7 Plus or Qwen3.8 27B?

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 Qwen3.7 Plus and Qwen3.8 27B open-weight models?

Qwen3.7 Plus: API only. Qwen3.8 27B: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Qwen3.7 Plus and Qwen3.8 27B?

ModelCap currently lists 1 API provider for Qwen3.7 Plus and 3 for Qwen3.8 27B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3.7 Plus vs Qwen3.8 27B comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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