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ModelCap

Head-to-head comparison

Qwen3.8 27B vs Qwen3.8 Flash

Qwen3.8 27B (Qwen) and Qwen3.8 Flash (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 3 September 2026

As of 3 September 2026, Qwen3.8 Flash holds the stronger ModelCap Index position (#17 vs #26); Qwen3.8 Flash is 5.4× cheaper per output token ($0.47/1M vs $2.55/1M); and Qwen3.8 27B ships open weights.

Which should you choose?

Choose Qwen3.8 27B if…

  • you want to self-host: Qwen3.8 27B ships open weights while Qwen3.8 Flash is restricted license.
  • you want provider choice — 12 listed API providers against 1.

Choose Qwen3.8 Flash if…

  • you want the stronger overall ModelCap Index position — #17 against #26 (72.1 vs 63.9 points).
  • API cost matters — $0.47/1M output tokens against $2.55/1M, about 5.4× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.15/1M against $0.425/1M.
  • AA Intelligence Index is your yardstick — 55.8 against 52.0.
  • AA Terminal-Bench 2.1 is your yardstick — 86.1% against 79.8%.
  • AA Humanity's Last Exam is your yardstick — 38.0% against 33.9%.
  • you want the more recently listed model — Qwen3.8 Flash was listed 26 August 2026, Qwen3.8 27B 14 August 2026.

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

Specification comparison of Qwen3.8 27B and Qwen3.8 Flash
FieldQwen3.8 27BQwenQwen3.8 FlashQwen
ModelCap Index position#26#17
Index score63.972.1
EvidenceMeasuredMeasured
Input price / 1M tokens$0.425$0.15
Output price / 1M tokens$2.55$0.47
Context window1M tokens1M tokens
Max output tokens131K131K
API providers listed121
Weight accessOpen weightsRestricted license
Input modalitiesText, Image, VideoText, Image, Video
First listed14 August 202626 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: Qwen3.8 27B vs Qwen3.8 Flash

Public benchmark boards where Qwen3.8 27B or Qwen3.8 Flash has a published result
BoardQwen3.8 27BQwen3.8 FlashLeads
Arena codingArena (LMArena)14931479–1507—Only one result
AA Intelligence IndexArtificial Analysis52.0intelligence-index55.8intelligence-indexQwen3.8 Flash
AA Terminal-Bench 2.1Artificial Analysis79.8%terminal-bench-2.186.1%terminal-bench-2.1Qwen3.8 Flash
AA Humanity's Last ExamArtificial Analysis33.9%humanitys-last-exam38.0%humanitys-last-examQwen3.8 Flash
WildClawBench OpenClawWildClawBench48.0—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.

Qwen3.8 27B vs Qwen3.8 Flash: common questions

Is Qwen3.8 27B better than Qwen3.8 Flash?

Qwen3.8 Flash ranks higher on the ModelCap Index as of 3 September 2026: #17 against #26. 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 Qwen3.8 27B cheaper than Qwen3.8 Flash?

Qwen3.8 Flash is cheaper on output tokens: $0.47/1M against $2.55/1M. Input tokens are $0.425/1M for Qwen3.8 27B and $0.15/1M for Qwen3.8 Flash. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

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

Both publish a 1M-token context window.

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

AA Terminal-Bench 2.1: Qwen3.8 27B 79.8%, Qwen3.8 Flash 86.1% — Qwen3.8 Flash leads.

Are Qwen3.8 27B and Qwen3.8 Flash open-weight models?

Qwen3.8 27B: Open weights. Qwen3.8 Flash: Restricted license. 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 Qwen3.8 27B and Qwen3.8 Flash?

ModelCap currently lists 12 API providers for Qwen3.8 27B and 1 for Qwen3.8 Flash, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

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

Every figure comes from the sealed ModelCap dataset published 3 September 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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