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Comparison · 2 models · Updated Oct 4, 2026

Qwen3.8 27B vs Qwen3.7 Plus

Too close to call on our weighted score (Qwen3.7 Plus 70, Qwen3.8 27B 67). The right pick depends on what you value most.

  1. Alibaba (Qwen)

    Qwen3.8 27B

    Released Aug 14, 2026

    67/100
    • ECI149.4
    • Price$0.40 / $2.50
    • Context262K
    Full specs Remove Qwen3.8 27B

  2. Alibaba (Qwen)

    Qwen3.7 Plus

    Released Jun 2, 2026

    70/100
    • ECI147.4
    • Price$0.40 / $1.60
    • Context1M
    Full specs Remove Qwen3.7 Plus

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01 — Verdict

Too close to call

It is close. Our weighted score puts them within 3 points (Qwen3.7 Plus 70/100, Qwen3.8 27B 67/100), so choose by what matters most for your work: Qwen3.8 27B for raw capability, Qwen3.7 Plus on price and Qwen3.7 Plus for long inputs. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityQwen3.8 27BCapabilities Index (ECI): Qwen3.8 27B 149.4 · Qwen3.7 Plus 147.4
  • Lowest priceQwen3.7 PlusQwen3.7 Plus $0.70 · Qwen3.8 27B $0.925 per 1M tokens (3:1 blend)
  • Longest contextQwen3.7 PlusQwen3.7 Plus 1,000,000 · Qwen3.8 27B 262,144 tokens
  • Widest inputsSame inputsQwen3.8 27B: Text, Images, Video · Qwen3.7 Plus: Text, Images, Video
  • Self-hostingQwen3.8 27BPublishes downloadable weights
How the score is built
MeasureWeightQwen3.8 27BQwen3.7 Plus
CapabilityCapabilities Index (ECI)50%7775
Price25%5157
Inputs & features15%8080
Context window10%3760
Overall100%67/10070/100
02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Qwen3.8 27B vs Qwen3.7 Plus specifications side by side
SpecificationQwen3.8 27BAlibaba (Qwen)Qwen3.7 PlusAlibaba (Qwen)
Capability
Capabilities Index (ECI)149.4 (best)147.4
ECI rank#53 of 148 (best)#61 of 148
GPQA DiamondGraduate-level science questions—87.9%
FrontierMath Tiers 1–3Research-level mathematics—34.4%
OTIS Mock AIME 2024–2025Competition mathematics—93.3%
Price per million tokens
Input$0.40$0.40
Output$2.50$1.60 (best)
Cached input—$0.04
Blended (3:1)$0.925$0.70 (best)
Long-context rateSame rateOver 256K: $1.20 / $4.80
Price sourceMedian of 39 providersOfficial Alibaba API
Limits
Context window262,144 tokens1,000,000 tokens (best)
Max output32,768 tokens64,000 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoNo
VideoYesYes
ReasoningYesYes
Tool callingYesYes
Structured outputYesYes
Availability
WeightsOpenProprietary
API model ID—qwen3.7-plus
API providers41 (best)25
ReleasedAug 14, 2026Jun 2, 2026
Knowledge cutoff—Apr 2025
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Qwen3.8 27B$9.00
  • Qwen3.7 Plus$7.20
04 — Questions

Which should you choose?

Which is better: Qwen3.8 27B or Qwen3.7 Plus?

It is close. Our weighted score puts them within 3 points (Qwen3.7 Plus 70/100, Qwen3.8 27B 67/100), so choose by what matters most for your work: Qwen3.8 27B for raw capability, Qwen3.7 Plus on price and Qwen3.7 Plus for long inputs. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Qwen3.8 27B or Qwen3.7 Plus?

Qwen3.7 Plus is cheaper at $0.40 input / $1.60 output per million tokens (official Alibaba API price). Qwen3.8 27B costs $0.40 input / $2.50 output per million tokens (median across 39 API providers). At a typical mix of three input tokens to one output token, that is $0.70 per million tokens for Qwen3.7 Plus versus $0.925 for Qwen3.8 27B (1.3× as much).

Which scores higher on benchmarks?

Qwen3.8 27B scores higher on the Capabilities Index (ECI): Qwen3.8 27B 149.4 (#53 of 148) and Qwen3.7 Plus 147.4 (#61 of 148). The confidence ranges of the top two overlap (147.5–151.6 vs 145.7–148.9), so treat the gap as small.

Which is better for coding?

There are no published SWE-bench Verified results for Qwen3.8 27B and Qwen3.7 Plus yet, so there is no like-for-like coding score. On overall capability, Qwen3.8 27B leads, which tends to carry over to coding, but test on your own codebase. Both support tool calling for agent workflows.

Which has the bigger context window?

Qwen3.7 Plus has the largest context window at 1,000,000 tokens, against 262,144 for Qwen3.8 27B. Maximum output per response: Qwen3.8 27B up to 32,768, Qwen3.7 Plus up to 64,000 tokens.

Which can read images, PDFs, audio or video?

Qwen3.8 27B accepts text, images and video; Qwen3.7 Plus accepts text, images and video. They handle the same number of input types.

Are any of these open source?

Qwen3.8 27B publishes its weights and can be self-hosted; Qwen3.7 Plus is proprietary.

Which is newer?

Qwen3.8 27B is the newest, released Aug 14, 2026. Qwen3.7 Plus came out Jun 2, 2026. Knowledge cutoff: Qwen3.7 Plus Apr 2025.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.

05 — Keep comparing

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