head-to-head

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

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

OpenAI: GPT-5.6 Terra Google: Gemma 4 31B (free)
Vendoropenaigoogle
Quality Score100100
Benchmark Score71.153.7
Input Price$2.00/MFree
Output Price$12.00/MFree
Context Window1,050,000262,144
Max Output128,00032,768
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index69.431.3
eqbench-70.8

Who wins by task?

TaskOpenAI: GPT-5.6 TerraGoogle: Gemma 4 31B (free)
SQL Generation 140 140
Code Review 145 140
Code Completion 118 132
Code Refactoring 147 141
Bug Fixing 149 144
Unit Test Generation 132 130
Code Documentation 135 135
Regex Writing 124 126
CI/CD Pipelines 128 126
Frontend Component Design 130 128
Data Analysis 134 132
CSV / Spreadsheet Cleanup 135 134
ETL Scripting 137 133
JSON Extraction 121 132
Bulk Data Labeling 117 130
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 147 143
Short-Form Summarization 116 127
Blog Post Writing 128 128

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

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