Skip to content
ModelCap

Head-to-head comparison

Qwen2.5 7B Instruct vs Qwen3.8 27B

Qwen2.5 7B Instruct (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 #96); Qwen2.5 7B Instruct is 16× cheaper per output token ($0.20/1M vs $3.20/1M); and Qwen3.8 27B offers the longer context window (262K vs 33K tokens).

Which should you choose?

Choose Qwen2.5 7B Instruct if…

  • API cost matters — $0.20/1M output tokens against $3.20/1M, about 16× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.10/1M against $0.45/1M.

Choose Qwen3.8 27B if…

  • you want the stronger overall ModelCap Index position — #16 against #96 (69.6 vs 23.7 points).
  • you need the longer context window — 262K tokens against 33K.
  • you want provider choice — 3 listed API providers against 2.
  • you want the more recently listed model — Qwen3.8 27B was listed 14 August 2026, Qwen2.5 7B Instruct 16 October 2024.

Qwen2.5 7B Instruct vs Qwen3.8 27B: specs, pricing and context

Specification comparison of Qwen2.5 7B Instruct and Qwen3.8 27B
FieldQwen2.5 7B InstructQwenQwen3.8 27BQwen
ModelCap Index position#96#16
Index score23.769.6
EvidenceEstimatedMeasured
Input price / 1M tokens$0.10$0.45
Output price / 1M tokens$0.20$3.20
Context window33K tokens262K tokens
Max output tokens33K131K
API providers listed23
Weight accessOpen weightsOpen weights
Input modalitiesTextText, Image, Video
First listed16 October 202414 August 2026
PublisherQwenQwen

Evidence: publisher corpus prior · leave-one-anchor-out calibrated · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen2.5 7B Instruct vs Qwen3.8 27B

Public benchmark boards where Qwen2.5 7B Instruct or Qwen3.8 27B has a published result
BoardQwen2.5 7B InstructQwen3.8 27BLeads
Artificial Analysis Intelligence IndexArtificial Analysis—52.0intelligence-indexOnly 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.

Qwen2.5 7B Instruct vs Qwen3.8 27B: common questions

Is Qwen2.5 7B Instruct better than Qwen3.8 27B?

Qwen3.8 27B ranks higher on the ModelCap Index as of 17 August 2026: #16 against #96. 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 Qwen2.5 7B Instruct cheaper than Qwen3.8 27B?

Qwen2.5 7B Instruct is cheaper on output tokens: $0.20/1M against $3.20/1M. Input tokens are $0.10/1M for Qwen2.5 7B Instruct 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, Qwen2.5 7B Instruct or Qwen3.8 27B?

Qwen3.8 27B has the larger context window: 262K tokens against 33K.

Which is better for coding, Qwen2.5 7B Instruct 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 Qwen2.5 7B Instruct and Qwen3.8 27B open-weight models?

Qwen2.5 7B Instruct: Open weights. 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 Qwen2.5 7B Instruct and Qwen3.8 27B?

ModelCap currently lists 2 API providers for Qwen2.5 7B Instruct 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 Qwen2.5 7B Instruct 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.

Explore further