Compare / Qwen3.5-27B vs GLM-5.3

Qwen3.5-27B vs GLM-5.3

Which is cheaper, which is more capable, and which does better at each kind of work, from 12 results on 3 sources that measured both models.

AlibabaQwen3.5-27B Released 24 Feb 2026 · $0.27 in · $2.16 out
Z.aiGLM-5.3 Released 14 Aug 2026 · $1.40 in · $4.40 out
Qwen3.5-27B wins 0GLM-5.3 wins 12

Of the 12 results both models have, the better value on each. Results whose reported ranges overlap are too close to call.

Results as of 9 October 2026 (catalogue release 2026-10-09-dd620e778ac5). See also Alibaba vs Z.ai, every model from both labs.

Qwen3.5-27B or GLM-5.3? The short answer

Pick GLM-5.3 if quality matters most: it scores higher (Intelligence Index 44.8 against 22.9). Pick Qwen3.5-27B if cost matters more: it costs 2.9 times less per token.

  • Qwen3.5-27B is cheaper: $0.74 against $2.15 per million tokens, 2.9 times less.
  • GLM-5.3 scores higher on the Artificial Analysis Intelligence Index: 44.8 against 22.9.
  • GLM-5.3 is newer: released 14 Aug 2026, against 24 Feb 2026 for Qwen3.5-27B.
  • On third-party benchmarks, on the results both models have: GLM-5.3 does better for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

Head to head

22.9
Intelligence Index
44.8
$0.74
Price per million tokens, blendedlower is better
$2.15
262,144
Context window, tokens
1,048,576

Every fact side by side

Qwen3.5-27BGLM-5.3
Price per million tokens$0.27 in · $2.16 out$1.40 in · $4.40 out
Blended (3 in : 1 out)$0.74$2.15
Cheapest host, blended$0.54 (Alibaba)$0.65 (Novita, FP8)
Cached input, per million–$0.26 cached input
Intelligence Index22.944.8
Spring Prompt overall–38
Output speed, tokens a second–76
Context window262,144 tokens1,048,576 tokens
Released24 Feb 202614 Aug 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 the models on sale today, for each kind of work, from our own benchmarks and licensed sources. Further right is better; the better rank is in green.

Marketing planningPlanning a year of ad spend without overspending not measured 16 of 19
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 145 of 164 11 of 164
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 15 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 82 of 198 25 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 98 of 188 23 of 188
Sticking to the factsSummarising without inventing things, and factual answers 121 of 152 53 of 152
Speed under pressureGood decisions against a real clock (fast chess) not measured 20 of 23

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. Under each measure, every model that benchmark has measured is a grey tick, best to the right, so you can see where the two sit in the field. 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.

MeasureQwen3.5-27BGLM-5.3
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 129 · 24 of 387 measured 1,409 1,478max reasoning
Overall · Text factualityArena rating, higher is better 112 · 29 of 163 measured 1,420 1,467max reasoning
Business, management and finance · TextArena rating, higher is better 128 · 26 of 380 measured 1,408 1,475max reasoning
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 86 · 15 of 243 measured 22.9 44.8max reasoning
GPQA Diamond% of questions, higher is better 74 · 26 of 231 measured 85.8% 91.7%max reasoning
Humanity's Last Exam% of questions, higher is better 95 · 32 of 242 measured 23.9% 42.3%max reasoning
Vending-Bench 2 reported by Vending-Bench 2 · 1 result
Money after a yearUS dollars, higher is better 50 · 8 of 58 measured $201.98 $8,164
Show all 12 results (5 more)
MeasureQwen3.5-27BGLM-5.3
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results
Creative writing · TextArena rating, higher is better 145 · 28 of 385 measured 1,358 1,454max reasoning
Expert prompts · TextArena rating, higher is better 112 · 16 of 338 measured 1,441 1,518max reasoning
Instruction following · TextArena rating, higher is better 122 · 21 of 387 measured 1,401 1,476max reasoning
Writing, literature and language · TextArena rating, higher is better 135 · 23 of 386 measured 1,380 1,466max reasoning
Artificial Analysis reported by Artificial Analysis · 1 result
Long-context reasoning (AA-LCR)% of questions, higher is better 63 · 43 of 233 measured 77.7% 79.7%max reasoning

Quick answers

Is Qwen3.5-27B better than GLM-5.3?

Pick GLM-5.3 if quality matters most: it scores higher (Intelligence Index 44.8 against 22.9). Pick Qwen3.5-27B if cost matters more: it costs 2.9 times less per token.

Which is cheaper, Qwen3.5-27B or GLM-5.3?

Qwen3.5-27B is cheaper: $0.74 against $2.15 per million tokens, 2.9 times less.

Which is better for agents and tool use, Qwen3.5-27B or GLM-5.3?

GLM-5.3 ranks 11 of 164 models on sale for multi-step tasks with tools: support desks, coding agents, function calls, against 145 for Qwen3.5-27B.

Which is better for reasoning and knowledge, Qwen3.5-27B or GLM-5.3?

GLM-5.3 ranks 25 of 198 models on sale for hard questions across science, maths and general knowledge, against 82 for Qwen3.5-27B.

Which is better for writing, Qwen3.5-27B or GLM-5.3?

GLM-5.3 ranks 23 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 98 for Qwen3.5-27B.

Which is better for sticking to the facts, Qwen3.5-27B or GLM-5.3?

GLM-5.3 ranks 53 of 152 models on sale for summarising without inventing things, and factual answers, against 121 for Qwen3.5-27B.

Which has the bigger context window, Qwen3.5-27B or GLM-5.3?

GLM-5.3: 1,048,576 tokens, against 262,144 for Qwen3.5-27B.

Run Qwen3.5-27B and GLM-5.3 on your own prompt

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