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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 1 October 2026

As of 1 October 2026, Qwen3.7 Plus holds the stronger ModelCap Index position (#30 vs #39); Qwen3.7 Plus is 2.3× cheaper per output token ($1.28/1M vs $3.00/1M); and Qwen3.8 27B ships open weights.

Which should you choose?

Choose Qwen3.7 Plus if…

  • you want the stronger overall ModelCap Index position — #30 against #39 (71.9 vs 68.9 points).
  • API cost matters — $1.28/1M output tokens against $3.00/1M, about 2.3× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.32/1M against $0.42/1M.
  • Arena text is your yardstick — 1456 against 1439.
  • AA Humanity's Last Exam is your yardstick — 35.6% against 33.9%.

Choose Qwen3.8 27B if…

  • you want to self-host: Qwen3.8 27B ships open weights while Qwen3.7 Plus is api only.
  • you want provider choice — 17 listed API providers against 1.
  • Arena coding is your yardstick — 1505 against 1501.
  • AA Intelligence Index is your yardstick — 33.7 against 25.2.
  • AA Terminal-Bench 2.1 is your yardstick — 79.8% against 61.0%.
  • 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#30#39
Index score71.968.9
EvidenceMeasuredMeasured
Input price / 1M tokens$0.32$0.42
Output price / 1M tokens$1.28$3.00
Context window1M tokens1M tokens
Max output tokens131K131K
API providers listed117
Weight accessAPI onlyOpen weights
Input modalitiesText, ImageText, Image, Video
First listed3 June 202614 August 2026
PublisherQwenQwen

Evidence: 4 public benchmark observations across 4 boards · 5 public benchmark observations across 5 boards. 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 textArena (LMArena)14561452–1460Not reported14391433–1444Not reportedQwen3.7 Plus
Arena codingArena (LMArena)15011494–150715051496–1514Qwen3.8 27B
LMArena AgentLMArena-7.3%-8.7%–-5.8%—Only one result
ARC-AGI-2ARC Prize Foundation—42.4%X-HighOnly one result
AA Intelligence IndexArtificial Analysis25.2Reasoning33.7X-HighQwen3.8 27B
AA Terminal-Bench 2.1Artificial Analysis61.0%Reasoning79.8%X-HighQwen3.8 27B
AA τ²-Bench TelecomArtificial Analysis93.0%Reasoning—Only one result
AA Humanity's Last ExamArtificial Analysis35.6%Reasoning33.9%X-HighQwen3.7 Plus
WildClawBench OpenClawWildClawBench—48.0Only 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.

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

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

Qwen3.7 Plus ranks higher on the ModelCap Index as of 1 October 2026: #30 against #39. 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 Qwen3.7 Plus cheaper than Qwen3.8 27B?

Qwen3.7 Plus is cheaper on output tokens: $1.28/1M against $3.00/1M. Input tokens are $0.32/1M for Qwen3.7 Plus and $0.42/1M for Qwen3.8 27B. 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 $1.28 for Qwen3.7 Plus versus $2.34 for Qwen3.8 27B. Qwen3.7 Plus costs 45.3% 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, Qwen3.7 Plus or Qwen3.8 27B?

Both publish a 1M-token context window.

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

Arena coding: Qwen3.7 Plus 1501, Qwen3.8 27B 1505 — Qwen3.8 27B leads. AA Terminal-Bench 2.1: Qwen3.7 Plus 61.0%, Qwen3.8 27B 79.8% — Qwen3.8 27B leads.

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 17 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 and ModelCap Index position comes from the same published snapshot dated 1 October 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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