Compare / Qwen3 30B A3B vs DeepSeek V3.1 Terminus

Qwen3 30B A3B 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.

Qwen3 30B A3B
Alibaba · profile
DeepSeek V3.1 Terminus
DeepSeek · profile
Results compared
15
Shared sources
3

Qwen3 30B A3B or DeepSeek V3.1 Terminus? The short answer

  • Qwen3 30B A3B is cheaper: $0.21 against $0.45 per million tokens, 2.1 times less.
  • DeepSeek V3.1 Terminus scores higher on the Artificial Analysis Intelligence Index: 14.8 against 7.6.
  • On our business benchmarks, DeepSeek V3.1 Terminus ranks higher for reasoning and knowledge and writing.

At a glance

Qwen3 30B A3BDeepSeek V3.1 Terminus
Price per million tokens$0.12 in · $0.50 out$0.27 in · $1.00 out
Blended (3 in : 1 out)$0.21$0.45
Cheapest host, blended$0.21 (DeepInfra, FP8)$0.45 (SiliconFlow, FP8)
Intelligence Index7.614.8
Spring Prompt overall––
Output speed, tokens a second––
Context window131,072 tokens163,840 tokens
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 30B A3BDeepSeek V3.1 Terminus
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls not measured 84 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 158 of 195 105 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 154 of 187 79 of 187

Every shared result

BenchmarkMetricQwen3 30B A3BDeepSeek V3.1 Terminus
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3301,423
Arena (formerly LMArena)reportedCreative writingArena rating 1,2831,405
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3101,420
Arena (formerly LMArena)reportedOverallArena rating 1,3271,417
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3041,411
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 7.6014.8
Artificial AnalysisreportedGPQA Diamond% of questions 61.6%79.2%
Artificial AnalysisreportedHumanity's Last Exam% of questions 6.2%16.4%
Artificial AnalysisreportedIFBench% of instructions 41.5%57.0%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 0.0%69.3%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 6.8%31.8%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 26.0%37.1%
UGI LeaderboardreportedRequested-length error% off the requested word count 14.0%32.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.360.37
UGI LeaderboardreportedWriting scorescore out of 100 30.254.0

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is Qwen3 30B A3B better than DeepSeek V3.1 Terminus?

It depends on the task. Among models available today, on our benchmarks and licensed sources, DeepSeek V3.1 Terminus ranks higher for reasoning and knowledge and writing.

Which is cheaper, Qwen3 30B A3B or DeepSeek V3.1 Terminus?

Qwen3 30B A3B costs $0.21 per million tokens (three input to one output), against $0.45 for DeepSeek V3.1 Terminus.

Run Qwen3 30B A3B 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.