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Qwen3.5 27B vs Qwen3.5 35B A3B

Alibaba · released

Wins 6 of 8 areas

Coding · Agents · Reasoning · Images and charts · Long documents · Following instructions

Alibaba · released

Wins 0 of 8 areas

—

Qwen3.5 27B is the stronger all-rounder.Qwen3.5 35B A3B is cheaper.

Both rank among the ten best models we track in images and charts.

Scores updated · 89 tests both models report · How we compare

Where each one wins

Tests won in each of the eight areas we test. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.

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.

Qwen3.5 27B$0.30 to read · $2.40 to write$2.70Price from Alibaba's own price page
Qwen3.5 35B A3B$0.25 to read · $2.00 to write$2.25Price from Alibaba's own price page

Qwen3.5 35B A3B costs 17% less for the same work.

The biggest differences

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

Where Qwen3.5 27B pulls ahead

  • Real work tasks from 44 professionsGDPVal+27.4points aheadQwen3.5 27B33Qwen3.5 35B A3B5.6
  • Finds the root cause of IT system incidentsAA IT-Bench SRE+14points aheadQwen3.5 27B35.5Qwen3.5 35B A3B21.5
  • Fixes real GitHub issues in many programming languagesSWE-bench Multilingual+9points aheadQwen3.5 27B69.3Qwen3.5 35B A3B60.3

Where Qwen3.5 35B A3B pulls ahead

  • Reads text in imagesOCRBench+1.6points aheadQwen3.5 35B A3B91Qwen3.5 27B89.4
  • US invitational high-school math exam problemsAIME 2026+1.6points aheadQwen3.5 35B A3B93.3Qwen3.5 27B91.7

Every test, side by side

All 89 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingQwen3.5 27B

Full coding ranking

AgentsQwen3.5 27B

Full agents ranking

ReasoningQwen3.5 27B

Full reasoning ranking

FactsEven

Full facts ranking

Images and chartsQwen3.5 27B

Full images and charts ranking

MathEven

Full math ranking

Long documentsQwen3.5 27B

Full long documents ranking

Following instructionsQwen3.5 27B

Full following instructions ranking

Other results58 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, Qwen3.5 27B or Qwen3.5 35B A3B?

Qwen3.5 27B wins six of the eight areas we test: coding, agents, reasoning, images and charts, long documents and following instructions. Qwen3.5 35B A3B wins none, but costs 17% less. They are level on facts and math.

Which is better for coding?

Qwen3.5 27B. It wins 7 of the 7 coding tests both models report; Qwen3.5 35B A3B wins none.

Which is cheaper?

Qwen3.5 27B costs $0.30 per million input tokens and $2.40 per million output tokens; Qwen3.5 35B A3B costs $0.25 and $2.00. That makes Qwen3.5 35B A3B about 17% cheaper for the same work.

How do you compare the two?

We use the 89 benchmark tests both models have published scores on. The verdict counts the 31 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 58 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.

Compare Qwen3.5 27B with

Alibaba

Across the field

Compare Qwen3.5 35B A3B with

Alibaba

Across the field

All comparisons