Compare / Gemini 3.1 Pro Preview vs GPT-4.1 Mini

Gemini 3.1 Pro Preview vs GPT-4.1 Mini

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.

Gemini 3.1 Pro Preview
Google · profile
GPT-4.1 Mini
OpenAI · profile
Results compared
17
Shared sources
3

Gemini 3.1 Pro Preview or GPT-4.1 Mini? The short answer

  • GPT-4.1 Mini is cheaper: $0.70 against $4.50 per million tokens, 6.4 times less.
  • Gemini 3.1 Pro Preview scores higher on the Artificial Analysis Intelligence Index: 29.7 against 10.2.
  • On our business benchmarks, Gemini 3.1 Pro Preview ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

At a glance

Gemini 3.1 Pro PreviewGPT-4.1 Mini
Price per million tokens$2.00 in · $12.00 out$0.40 in · $1.60 out
Blended (3 in : 1 out)$4.50$0.70
Cheapest host, blended$2.25 (Google)$0.70 (Azure)
Intelligence Index29.710.2
Spring Prompt overall47–
Output speed, tokens a second121–
Context window1,048,576 tokens1,047,576 tokens
WeightsClosedClosed
Developer based inthe USthe 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 caseGemini 3.1 Pro PreviewGPT-4.1 Mini
Product listingsTurning a sparse product feed and photos into listings that can go live 8 of 19 not measured
Decks from an analysisTurning a finished analysis into a deck you could present as it is 12 of 18 not measured
Marketing planningPlanning a year of ad spend without overspending 9 of 18 not measured
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 60 of 161 105 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects 36 of 51 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 23 of 195 147 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 9 of 187 122 of 187
Sticking to the factsSummarising without inventing things, and factual answers 35 of 153 144 of 153
Speed under pressureGood decisions against a real clock (fast chess) 5 of 21 not measured

Every shared result

BenchmarkMetricGemini 3.1 Pro PreviewGPT-4.1 Mini
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4771,379
Arena (formerly LMArena)reportedCreative writingArena rating 1,4801,349
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5091,384
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4791,373
Arena (formerly LMArena)reportedOverallArena rating 1,4871,383
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4801,361
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 68.820.2
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 29.710.2
Artificial AnalysisreportedGPQA Diamond% of questions 94.1%66.4%
Artificial AnalysisreportedHumanity's Last Exam% of questions 47.0%5.0%
Artificial AnalysisreportedIFBench% of instructions 77.1%38.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 82.0%44.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 73.8%10.1%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 53.8%7.6%
Artificial AnalysisreportedΤ-bench banking% of tasks 21.4%5.4%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 95.6%52.9%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 73.5%12.7%

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 Gemini 3.1 Pro Preview better than GPT-4.1 Mini?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Gemini 3.1 Pro Preview ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, Gemini 3.1 Pro Preview or GPT-4.1 Mini?

GPT-4.1 Mini costs $0.70 per million tokens (three input to one output), against $4.50 for Gemini 3.1 Pro Preview.

Run Gemini 3.1 Pro Preview and GPT-4.1 Mini on your own prompt

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