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OpenAI: GPT-5.6 Terra vs Google: Gemma 4 31B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-11.

OpenAI: GPT-5.6 Terra Google: Gemma 4 31B
Vendoropenaigoogle
Quality Score100100
Benchmark Score93.057.2
Input Price$2.50/M$0.12/M
Output Price$15.00/M$0.35/M
Context Window1,050,000262,144
Max Output128,000262,144
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index90.748.4
ai_index_agentic78.223.8
ai_index_coding100.071.7
eqbench-70.8

Who wins by task?

TaskOpenAI: GPT-5.6 TerraGoogle: Gemma 4 31B
SQL Generation 171 157
Code Review 168 154
Code Completion 118 132
Code Refactoring 165 152
Bug Fixing 181 161
Unit Test Generation 155 143
Code Documentation 141 138
Regex Writing 134 131
CI/CD Pipelines 145 136
Frontend Component Design 147 138
Data Analysis 171 152
CSV / Spreadsheet Cleanup 153 146
ETL Scripting 155 144
JSON Extraction 137 143
Bulk Data Labeling 122 133
OCR / Document Parsing 147 140
Table Extraction from PDFs 147 140
Long-Document Summarization 159 150
Short-Form Summarization 121 129
Blog Post Writing 139 134

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

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