Compare / Qwen2.5 72B Instruct vs gpt-oss-120b

Qwen2.5 72B Instruct vs gpt-oss-120b

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.

Qwen2.5 72B Instruct
Alibaba · profile
gpt-oss-120b
OpenAI · profile
Results compared
15
Shared sources
3

Qwen2.5 72B Instruct or gpt-oss-120b? The short answer

  • gpt-oss-120b is cheaper: $0.26 against $0.37 per million tokens, 29% less.
  • gpt-oss-120b scores higher on the Artificial Analysis Intelligence Index: 11.6 against 7.7.
  • On our business benchmarks, gpt-oss-120b ranks higher for reasoning and knowledge and writing.

At a glance

Qwen2.5 72B Instructgpt-oss-120b
Price per million tokens$0.36 in · $0.40 out$0.15 in · $0.60 out
Blended (3 in : 1 out)$0.37$0.26
Cheapest host, blended$0.37 (DeepInfra, FP8)$0.065 (CoreWeave, FP4)
Intelligence Index7.711.6
Spring Prompt overall––
Output speed, tokens a second–200
Context window32,768 tokens131,072 tokens
WeightsOpenOpen
Developer based inChinathe US

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 caseQwen2.5 72B Instructgpt-oss-120b
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls not measured 117 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 49 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 175 of 195 110 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 159 of 187 131 of 187
Sticking to the factsSummarising without inventing things, and factual answers not measured 138 of 153

Every shared result

BenchmarkMetricQwen2.5 72B Instructgpt-oss-120b
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,2991,351
Arena (formerly LMArena)reportedCreative writingArena rating 1,2541,277
Arena (formerly LMArena)reportedExpert promptsArena rating 1,2951,357
Arena (formerly LMArena)reportedInstruction followingArena rating 1,2921,323
Arena (formerly LMArena)reportedOverallArena rating 1,3031,352
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,2821,309
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 7.7011.6
Artificial AnalysisreportedGPQA Diamond% of questions 49.1%78.2%
Artificial AnalysisreportedHumanity's Last Exam% of questions 3.6%19.6%
Artificial AnalysisreportedIFBench% of instructions 36.9%69.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 4.5%23.5%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 34.5%65.8%
UGI LeaderboardreportedRequested-length error% off the requested word count 21.0%107.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.360.29
UGI LeaderboardreportedWriting scorescore out of 100 31.538.5

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 Qwen2.5 72B Instruct better than gpt-oss-120b?

It depends on the task. Among models available today, on our benchmarks and licensed sources, gpt-oss-120b ranks higher for reasoning and knowledge and writing.

Which is cheaper, Qwen2.5 72B Instruct or gpt-oss-120b?

gpt-oss-120b costs $0.26 per million tokens (three input to one output), against $0.37 for Qwen2.5 72B Instruct.

Run Qwen2.5 72B Instruct and gpt-oss-120b on your own prompt

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