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VECTOR WIREAI INTELLIGENCE
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Qwen3.7 Plus Preview vs Qwen3.8 27B

Alibaba · released

Wins 3 of 7 areas

Reasoning · Facts · Images and charts

Alibaba · released

Wins 4 of 7 areas

Coding · Agents · Long documents · Following instructions

Qwen3.8 27B wins more areas, narrowly.Qwen3.7 Plus Preview is cheaper and better at images and charts.

Scores updated · 37 tests both models report · How we compare

What it costs

Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.

Qwen3.7 Plus Preview$0.40 to read · $1.60 to write$2.00Price from Alibaba's own price page
Qwen3.8 27B$0.50 to read · $3.00 to write$3.50Price from Alibaba's own price page

Qwen3.7 Plus Preview costs 43% less for the same work.

The biggest differences

The three tests each model wins by the widest margin. Scores are out of 100.

Where Qwen3.8 27B pulls ahead

  • Real work tasks from 44 professionsGDPVal+32.7points aheadQwen3.8 27B46.2Qwen3.7 Plus Preview13.5
  • Customer-service tasks in a simulated bankτ-Bench V3 · Banking+30.5points aheadQwen3.8 27B48Qwen3.7 Plus Preview17.5
  • Command-line tasks in a real terminalTerminal-Bench 2.1+18.8points aheadQwen3.8 27B79.8Qwen3.7 Plus Preview61

Where Qwen3.7 Plus Preview pulls ahead

  • Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+6.9points aheadQwen3.7 Plus Preview22.5Qwen3.8 27B15.6
  • Harder college exam questions with imagesMMMU-Pro+4.2points aheadQwen3.7 Plus Preview80.5Qwen3.8 27B76.3
  • Research-level physics problemsCritPt+3.7points aheadQwen3.7 Plus Preview9.1Qwen3.8 27B5.4

Every test, side by side

All 37 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingQwen3.8 27B

Full coding ranking

AgentsQwen3.8 27B

Full agents ranking

ReasoningQwen3.7 Plus Preview

Full reasoning ranking

FactsQwen3.7 Plus Preview

Full facts ranking

Images and chartsQwen3.7 Plus Preview

Full images and charts ranking

Long documentsQwen3.8 27B

Full long documents ranking

Following instructionsQwen3.8 27B
  • IFBenchQwen3.8 27B by 1.57879.5+1.5

Full following instructions ranking

Other results17 tests, not counted

Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.

Questions people ask

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

Qwen3.8 27B wins four of the seven areas where both have results: coding, agents, long documents and following instructions. Qwen3.7 Plus Preview wins reasoning, facts and images and charts, and costs 43% less.

Which is better for coding?

Qwen3.8 27B. It wins 2 of the 5 coding tests both models report; Qwen3.7 Plus Preview wins 1, and 2 are ties.

Which is cheaper?

Qwen3.7 Plus Preview costs $0.40 per million input tokens and $1.60 per million output tokens; Qwen3.8 27B costs $0.50 and $3.00. That makes Qwen3.7 Plus Preview about 43% cheaper for the same work.

How do you compare the two?

We use the 37 benchmark tests both models have published scores on. The verdict counts the 20 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 17 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.