Compare / Qwen3.5-Flash vs Qwen3-Max

Qwen3.5-Flash vs Qwen3-Max

Which is cheaper, which is more capable, and which does better at each kind of work, from 8 results on 3 sources that measured both models.

AlibabaQwen3.5-Flash $0.065 in · $0.26 out
AlibabaQwen3-Max Released 24 Sep 2025 · $0.78 in · $3.90 out
Qwen3.5-Flash wins 12 too close to callQwen3-Max wins 5

Of the 8 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).

Qwen3.5-Flash or Qwen3-Max? The short answer

They score about the same, so pick Qwen3.5-Flash: it costs 14 times less per token.

  • Qwen3.5-Flash is cheaper: $0.11 against $1.56 per million tokens, 14 times less.
  • On third-party benchmarks, on the results both models have: Qwen3.5-Flash does better for agents and tool use; Qwen3-Max for writing and sticking to the facts.

Head to head

$0.11
Price per million tokens, blendedlower is better
$1.56
1,000,000
Context window, tokens
262,144

Every fact side by side

Qwen3.5-FlashQwen3-Max
Price per million tokens$0.065 in · $0.26 out$0.78 in · $3.90 out
Blended (3 in : 1 out)$0.11$1.56
Cheapest host, blended––
Intelligence Index–15.6
Spring Prompt overall––
Output speed, tokens a second––
Context window1,000,000 tokens262,144 tokens
Released–24 Sep 2025
WeightsClosedClosed
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.

Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 143 of 164 154 of 164
Reasoning and knowledgeHard questions across science, maths and general knowledge not measured 121 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 115 of 188 99 of 188
Sticking to the factsSummarising without inventing things, and factual answers 119 of 152 50 of 152

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-FlashQwen3-Max
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 142 · 108 of 387 measured 1,396 1,423
Business, management and finance · TextArena rating, higher is better 137 · 110 of 380 measured 1,403 1,419
Creative writing · TextArena rating, higher is better 167 · 105 of 385 measured 1,337 1,393
SimpleQA Verified (Epoch AI) reported by SimpleQA Verified (Epoch AI) · 1 result
Correct answers% of questions, higher is better 64 · 27 of 76 measured 20.3% 48.7%
Vending-Bench 2 reported by Vending-Bench 2 · 1 result
Money after a yearUS dollars, higher is better 48 · 52 of 58 measured $462.69 $71.57
Show all 8 results (3 more)
MeasureQwen3.5-FlashQwen3-Max
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Expert prompts · TextArena rating, higher is better 135 · 137 of 338 measured 1,419 1,417
Instruction following · TextArena rating, higher is better 148 · 106 of 387 measured 1,381 1,413
Writing, literature and language · TextArena rating, higher is better 149 · 101 of 386 measured 1,367 1,405

Quick answers

Is Qwen3.5-Flash better than Qwen3-Max?

They score about the same, so pick Qwen3.5-Flash: it costs 14 times less per token.

Which is cheaper, Qwen3.5-Flash or Qwen3-Max?

Qwen3.5-Flash is cheaper: $0.11 against $1.56 per million tokens, 14 times less.

Which is better for agents and tool use, Qwen3.5-Flash or Qwen3-Max?

Qwen3.5-Flash ranks 143 of 164 models on sale for multi-step tasks with tools: support desks, coding agents, function calls, against 154 for Qwen3-Max.

Which is better for writing, Qwen3.5-Flash or Qwen3-Max?

Qwen3-Max ranks 99 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 115 for Qwen3.5-Flash.

Which is better for sticking to the facts, Qwen3.5-Flash or Qwen3-Max?

Qwen3-Max ranks 50 of 152 models on sale for summarising without inventing things, and factual answers, against 119 for Qwen3.5-Flash.

Which has the bigger context window, Qwen3.5-Flash or Qwen3-Max?

Qwen3.5-Flash: 1,000,000 tokens, against 262,144 for Qwen3-Max.

Run Qwen3.5-Flash and Qwen3-Max on your own prompt

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