Compare / DeepSeek V3 0324 vs gpt-oss-20b

DeepSeek V3 0324 vs gpt-oss-20b

Which is cheaper, which is more capable, and which does better at each kind of work, from 21 results on 3 sources that measured both models.

DeepSeek V3 0324
DeepSeek · profile
gpt-oss-20b
OpenAI · profile
Results compared
21
Shared sources
3

DeepSeek V3 0324 or gpt-oss-20b? The short answer

  • gpt-oss-20b is cheaper: $0.060 against $0.44 per million tokens, 7.3 times less.
  • They score about the same on the Artificial Analysis Intelligence Index (9.7 and 10.0).
  • On our business benchmarks, DeepSeek V3 0324 ranks higher for writing.
  • On our business benchmarks, gpt-oss-20b ranks higher for agents and tool use and reasoning and knowledge.

At a glance

DeepSeek V3 0324gpt-oss-20b
Price per million tokens$0.25 in · $1.00 out$0.030 in · $0.15 out
Blended (3 in : 1 out)$0.44$0.060
Cheapest host, blended$0.44 (SiliconFlow, FP8)$0.036 (Darkbloom, FP8)
Intelligence Index9.710.0
Spring Prompt overall––
Output speed, tokens a second–249
Context window163,840 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 caseDeepSeek V3 0324gpt-oss-20b
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 138 of 161 124 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 152 of 195 134 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 92 of 187 170 of 187

Every shared result

BenchmarkMetricDeepSeek V3 0324gpt-oss-20b
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3901,323
Arena (formerly LMArena)reportedCreative writingArena rating 1,3901,240
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3981,314
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3781,281
Arena (formerly LMArena)reportedOverallArena rating 1,3961,318
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3861,275
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 21.220.7
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 9.7010.0
Artificial AnalysisreportedGPQA Diamond% of questions 65.5%68.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 4.7%11.0%
Artificial AnalysisreportedIFBench% of instructions 41.0%65.1%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 40.7%34.7%
Artificial AnalysisreportedSciCode% of problems 39.0%38.9%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 13.9%13.9%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%0.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 15.2%10.6%
Artificial AnalysisreportedΤ-bench banking% of tasks 4.7%7.0%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 47.1%60.2%
UGI LeaderboardreportedRequested-length error% off the requested word count 32.0%98.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.350.31
UGI LeaderboardreportedWriting scorescore out of 100 49.124.6

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 DeepSeek V3 0324 better than gpt-oss-20b?

It depends on the task. Among models available today, on our benchmarks and licensed sources, DeepSeek V3 0324 ranks higher for writing; gpt-oss-20b ranks higher for agents and tool use and reasoning and knowledge.

Which is cheaper, DeepSeek V3 0324 or gpt-oss-20b?

gpt-oss-20b costs $0.060 per million tokens (three input to one output), against $0.44 for DeepSeek V3 0324.

Run DeepSeek V3 0324 and gpt-oss-20b on your own prompt

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