Qwen3.8 27B (Qwen) and Qwen3 8B (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 #98); Qwen3 8B is 7× cheaper per output token ($0.455/1M vs $3.20/1M); and Qwen3.8 27B offers the longer context window (262K vs 131K tokens).
Evidence: 1 public benchmark observation across 1 board · publisher corpus prior · leave-one-anchor-out calibrated. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Benchmark scores: Qwen3.8 27B vs Qwen3 8B
Public benchmark boards where Qwen3.8 27B or Qwen3 8B has a published result
Qwen3.8 27B ranks higher on the ModelCap Index as of 17 August 2026: #16 against #98. 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 8B?
Qwen3 8B is cheaper on output tokens: $0.455/1M against $3.20/1M. Input tokens are $0.45/1M for Qwen3.8 27B and $0.117/1M for Qwen3 8B. 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 8B?
Qwen3.8 27B has the larger context window: 262K tokens against 131K.
Which is better for coding, Qwen3.8 27B or Qwen3 8B?
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 Qwen3.8 27B and Qwen3 8B open-weight models?
Qwen3.8 27B: Open weights. Qwen3 8B: 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 Qwen3.8 27B and Qwen3 8B?
ModelCap currently lists 3 API providers for Qwen3.8 27B and 1 for Qwen3 8B, 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 8B 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.