Compare / Qwen3-Max vs DeepSeek-V3.1-Terminus

Qwen3-Max vs DeepSeek-V3.1-Terminus

Which is cheaper, which is more capable, and which does better at each kind of work, from 15 results on 3 sources that measured both models.

AlibabaQwen3-Max Released 24 Sep 2025 · $0.78 in · $3.90 out
DeepSeekDeepSeek-V3.1-Terminus Released 22 Sep 2025 · $0.27 in · $1.00 out
Qwen3-Max wins 35 too close to callDeepSeek-V3.1-Terminus wins 7

Of the 15 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 DeepSeek, every model from both labs.

Qwen3-Max or DeepSeek-V3.1-Terminus? The short answer

They score about the same, so pick DeepSeek-V3.1-Terminus: it costs 3.4 times less per token.

  • DeepSeek-V3.1-Terminus is cheaper: $0.45 against $1.56 per million tokens, 3.4 times less.
  • They score about the same on the Artificial Analysis Intelligence Index (15.6 and 14.8).
  • Qwen3-Max is newer: released 24 Sep 2025, against 22 Sep 2025 for DeepSeek-V3.1-Terminus.
  • On third-party benchmarks, on the results both models have: DeepSeek-V3.1-Terminus does better for reasoning and knowledge and writing.

Head to head

15.6
Intelligence Index
14.8
$1.56
Price per million tokens, blendedlower is better
$0.45
262,144
Context window, tokens
163,840

Every fact side by side

Qwen3-MaxDeepSeek-V3.1-Terminus
Price per million tokens$0.78 in · $3.90 out$0.27 in · $1.00 out
Blended (3 in : 1 out)$1.56$0.45
Cheapest host, blended–$0.45 (SiliconFlow, FP8)
Intelligence Index15.614.8
Spring Prompt overall––
Output speed, tokens a second––
Context window262,144 tokens163,840 tokens
Released24 Sep 2025 (newer)22 Sep 2025
WeightsClosedOpen
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 154 of 164 88 of 164
Reasoning and knowledgeHard questions across science, maths and general knowledge 121 of 198 109 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 99 of 188 81 of 188
Sticking to the factsSummarising without inventing things, and factual answers 50 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. 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-MaxDeepSeek-V3.1-Terminus
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 108 · 115 of 387 measured 1,423 1,417thinking reasoning
Business, management and finance · TextArena rating, higher is better 110 · 103 of 380 measured 1,419 1,423thinking reasoning
Creative writing · TextArena rating, higher is better 105 · 87 of 385 measured 1,393 1,405
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 123 · 129 of 243 measured 15.6 14.8thinking reasoning
GPQA Diamond% of questions, higher is better 132 · 112 of 231 measured 76.4% 79.2%thinking reasoning
Humanity's Last Exam% of questions, higher is better 140 · 121 of 242 measured 11.9% 16.4%thinking reasoning
UGI Leaderboard reported by UGI Leaderboard · 3 results
Writing score · UGIscore out of 100, higher is better 115 · 64 of 230 measured 38.6 54.0thinking reasoning
Requested-length error · UGI% off the requested word count, lower is better 134 · 174 of 230 measured 23.0% 32.0%thinking reasoning
Style adherence · UGIscore from 0 to 1, higher is better 155 · 43 of 230 measured 0.33 0.37thinking reasoning
Show all 15 results (6 more)
MeasureQwen3-MaxDeepSeek-V3.1-Terminus
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 2 results
Instruction following · TextArena rating, higher is better 106 · 93 of 387 measured 1,413 1,420thinking reasoning
Writing, literature and language · TextArena rating, higher is better 101 · 88 of 386 measured 1,405 1,412thinking reasoning
Artificial Analysis reported by Artificial Analysis · 4 results
IFBench% of instructions, higher is better 118 · 86 of 195 measured 44.2% 57.0%thinking reasoning
Long-context reasoning (AA-LCR)% of questions, higher is better 154 · 113 of 233 measured 50.0% 69.3%thinking reasoning
Terminal-Bench Hard% of tasks, higher is better 91 · 63 of 190 measured 20.5% 31.8%no reasoning
τ²-bench telecom% of tasks, higher is better 79 · 118 of 193 measured 74.3% 37.1%no reasoning

Quick answers

Is Qwen3-Max better than DeepSeek-V3.1-Terminus?

They score about the same, so pick DeepSeek-V3.1-Terminus: it costs 3.4 times less per token.

Which is cheaper, Qwen3-Max or DeepSeek-V3.1-Terminus?

DeepSeek-V3.1-Terminus is cheaper: $0.45 against $1.56 per million tokens, 3.4 times less.

Which is better for agents and tool use, Qwen3-Max or DeepSeek-V3.1-Terminus?

DeepSeek-V3.1-Terminus ranks 88 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 reasoning and knowledge, Qwen3-Max or DeepSeek-V3.1-Terminus?

DeepSeek-V3.1-Terminus ranks 109 of 198 models on sale for hard questions across science, maths and general knowledge, against 121 for Qwen3-Max.

Which is better for writing, Qwen3-Max or DeepSeek-V3.1-Terminus?

DeepSeek-V3.1-Terminus ranks 81 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 99 for Qwen3-Max.

Which has the bigger context window, Qwen3-Max or DeepSeek-V3.1-Terminus?

Qwen3-Max: 262,144 tokens, against 163,840 for DeepSeek-V3.1-Terminus.

Run Qwen3-Max and DeepSeek-V3.1-Terminus on your own prompt

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