picksbymodel Get API access →
head-to-head

Google: Gemma 4 31B (free) vs OpenAI: GPT-5.4 Nano

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

Google: Gemma 4 31B (free) OpenAI: GPT-5.4 Nano
Vendorgoogleopenai
Quality Score100100
Benchmark Score53.731.5
Input PriceFree$0.20/M
Output PriceFree$1.25/M
Context Window262,144400,000
Max Output32,768128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index31.334.2
eqbench70.8-

Who wins by task?

TaskGoogle: Gemma 4 31B (free)OpenAI: GPT-5.4 Nano
SQL Generation 140 138
Code Review 140 138
Code Completion 132 132
Code Refactoring 141 141
Bug Fixing 144 142
Unit Test Generation 130 128
Code Documentation 135 134
Regex Writing 126 123
CI/CD Pipelines 126 124
Frontend Component Design 128 126
Data Analysis 132 129
CSV / Spreadsheet Cleanup 134 135
ETL Scripting 133 132
JSON Extraction 132 131
Bulk Data Labeling 130 129
OCR / Document Parsing 131 132
Table Extraction from PDFs 131 132
Long-Document Summarization 143 143
Short-Form Summarization 127 125
Blog Post Writing 128 126

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

Related comparisons

Anthropic: Claude Haiku Latest vs Google: Gemma 4 31B (free) Anthropic: Claude Haiku Latest vs OpenAI: GPT-5.4 Nano Anthropic: Claude Sonnet 5 vs Google: Gemma 4 31B (free) Anthropic: Claude Sonnet 5 vs OpenAI: GPT-5.4 Nano Anthropic: Claude Sonnet Latest vs Google: Gemma 4 31B (free) Anthropic: Claude Sonnet Latest vs OpenAI: GPT-5.4 Nano Google: Gemini 3.1 Flash Lite vs Google: Gemma 4 31B (free) Google: Gemini 3.1 Flash Lite vs OpenAI: GPT-5.4 Nano

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.