Compare / Gemma 3 27B vs Step 3.5 Flash

Gemma 3 27B vs Step 3.5 Flash

Which is cheaper, which is more capable, and which does better at each kind of work, from 17 results on 3 sources that measured both models.

Gemma 3 27B
Google · profile
Step 3.5 Flash
Stepfun · profile
Results compared
17
Shared sources
3

Gemma 3 27B or Step 3.5 Flash? The short answer

  • Gemma 3 27B is cheaper: $0.14 against $0.15 per million tokens, 7% less.
  • Step 3.5 Flash scores higher on the Artificial Analysis Intelligence Index: 16.6 against 4.9.
  • On our business benchmarks, Gemma 3 27B ranks higher for sticking to the facts.
  • On our business benchmarks, Step 3.5 Flash ranks higher for reasoning and knowledge and writing.

At a glance

Gemma 3 27BStep 3.5 Flash
Price per million tokens$0.12 in · $0.20 out$0.10 in · $0.30 out
Blended (3 in : 1 out)$0.14$0.15
Cheapest host, blended$0.10 (DeepInfra, FP8)–
Intelligence Index4.916.6
Spring Prompt overall––
Output speed, tokens a second––
Context window131,072 tokens262,144 tokens
WeightsOpenOpen
Developer based inthe USChina

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 caseGemma 3 27BStep 3.5 Flash
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 142 of 161 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 188 of 195 96 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 111 of 187 99 of 187
Sticking to the factsSummarising without inventing things, and factual answers 96 of 153 123 of 153

Every shared result

BenchmarkMetricGemma 3 27BStep 3.5 Flash
Arena (formerly LMArena)reportedOverallArena rating 1,3801,417
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3771,390
Arena (formerly LMArena)reportedCreative writingArena rating 1,3481,345
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3371,429
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3431,384
Arena (formerly LMArena)reportedOverallArena rating 1,3651,393
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3541,366
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 4.9016.6
Artificial AnalysisreportedGPQA Diamond% of questions 42.8%83.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 4.4%21.1%
Artificial AnalysisreportedIFBench% of instructions 31.8%64.6%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 7.3%50.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 3.8%27.3%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 10.5%94.4%
UGI LeaderboardreportedRequested-length error% off the requested word count 8.0%42.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.290.37
UGI LeaderboardreportedWriting scorescore out of 100 45.045.9

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 Gemma 3 27B better than Step 3.5 Flash?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Gemma 3 27B ranks higher for sticking to the facts; Step 3.5 Flash ranks higher for reasoning and knowledge and writing.

Which is cheaper, Gemma 3 27B or Step 3.5 Flash?

Gemma 3 27B costs $0.14 per million tokens (three input to one output), against $0.15 for Step 3.5 Flash.

Run Gemma 3 27B and Step 3.5 Flash on your own prompt

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