picksbymodel Get API access →
head-to-head

OpenAI: GPT-5.4 Mini vs Google: Gemini 3.1 Pro Preview

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-5.4 Mini Google: Gemini 3.1 Pro Preview
Vendoropenaigoogle
Quality Score100100
Benchmark Score37.766.5
Input Price$0.75/M$2.00/M
Output Price$4.50/M$12.00/M
Context Window400,0001,048,576
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓
Benchmark Scores
ai_index39.749.0
eqbench-74.3

Who wins by task?

TaskOpenAI: GPT-5.4 MiniGoogle: Gemini 3.1 Pro Preview
SQL Generation 138 143
Code Review 139 150
Code Completion 131 120
Code Refactoring 142 153
Bug Fixing 143 154
Unit Test Generation 128 135
Code Documentation 134 139
Regex Writing 122 125
CI/CD Pipelines 124 131
Frontend Component Design 126 130
Data Analysis 130 135
CSV / Spreadsheet Cleanup 135 139
ETL Scripting 133 142
JSON Extraction 130 121
Bulk Data Labeling 128 117
OCR / Document Parsing 133 135
Table Extraction from PDFs 133 135
Long-Document Summarization 143 154
Short-Form Summarization 124 117
Blog Post Writing 126 131

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

Anthropic: Claude Haiku Latest vs Google: Gemini 3.1 Pro Preview Anthropic: Claude Haiku Latest vs OpenAI: GPT-5.4 Mini Anthropic: Claude Sonnet 5 vs OpenAI: GPT-5.4 Mini Anthropic: Claude Sonnet Latest vs Google: Gemini 3.1 Pro Preview Anthropic: Claude Sonnet Latest vs OpenAI: GPT-5.4 Mini ByteDance Seed: Seed-2.0-Lite vs Google: Gemini 3.1 Pro Preview ByteDance Seed: Seed-2.0-Mini vs Google: Gemini 3.1 Pro Preview Google: Gemini 3.1 Flash Lite Preview vs Google: Gemini 3.1 Pro Preview

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.