Compare / Qwen3.5-27B vs Qwen3.6-27B

Qwen3.5-27B vs Qwen3.6-27B

Which is cheaper, which is more capable, and which does better at each kind of work, from 10 results on 2 sources that measured both models.

Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe).

Qwen3.5-27B
Alibaba · profile
Qwen3.6-27B
Alibaba · profile
Results compared
10
Shared sources
2

Qwen3.5-27B or Qwen3.6-27B? The short answer

Qwen3.6-27B is the newer version; they score about the same, so pick Qwen3.5-27B, which costs less (28% less per token).

  • Qwen3.5-27B is cheaper: $0.74 against $1.02 per million tokens, 28% less.
  • Qwen3.5-27B scores higher on the Artificial Analysis Intelligence Index: 22.9 against 21.4.
  • Qwen3.6-27B is newer: released 22 Apr 2026, against 24 Feb 2026 for Qwen3.5-27B.
  • On third-party benchmarks, on the results both models have: Qwen3.5-27B does better for reasoning and knowledge; Qwen3.6-27B for writing.

At a glance

Qwen3.5-27BQwen3.6-27B
Price per million tokens$0.27 in · $2.16 out$0.30 in · $3.20 out
Blended (3 in : 1 out)$0.74$1.02
Cheapest host, blended$0.54 (Alibaba)$0.72 (Chutes, FP8)
Intelligence Index22.921.4
Spring Prompt overall––
Output speed, tokens a second––
Context window262,144 tokens262,144 tokens
Released24 Feb 202622 Apr 2026 (newer)
WeightsOpenOpen
Developer based inChinaChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseQwen3.5-27BQwen3.6-27B
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 145 of 164 84 of 164
Reasoning and knowledgeHard questions across science, maths and general knowledge 82 of 198 88 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 98 of 188 96 of 188
Sticking to the factsSummarising without inventing things, and factual answers 121 of 152 not measured

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureQwen3.5-27BQwen3.6-27B
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 22.9 21.4
GPQA Diamond% of questions, higher is better 85.8% 84.2%
Humanity's Last Exam% of questions, higher is better 23.9% 23.1%
UGI Leaderboard reported by UGI Leaderboard · 3 results
Writing score · UGIscore out of 100, higher is better 42.4think-prefill reasoning 42.5think-prefill reasoning
Requested-length error · UGI% off the requested word count, lower is better 11.0%think-prefill reasoning 9.0%no reasoning
Style adherence · UGIscore from 0 to 1, higher is better 0.33no reasoning 0.35no reasoning
Show all 10 results (4 more)
MeasureQwen3.5-27BQwen3.6-27B
Artificial Analysis reported by Artificial Analysis · 4 results
IFBench% of instructions, higher is better 75.6% 67.6%
Long-context reasoning (AA-LCR)% of questions, higher is better 77.7% 77.3%
Terminal-Bench Hard% of tasks, higher is better 32.6% 34.8%
τ²-bench telecom% of tasks, higher is better 93.9% 94.2%

Quick answers

Is Qwen3.5-27B better than Qwen3.6-27B?

Qwen3.6-27B is the newer version; they score about the same, so pick Qwen3.5-27B, which costs less (28% less per token).

Which is cheaper, Qwen3.5-27B or Qwen3.6-27B?

Qwen3.5-27B is cheaper: $0.74 against $1.02 per million tokens, 28% less.

Run Qwen3.5-27B and Qwen3.6-27B on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.