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xAI: Grok 4.3 vs Google: Gemma 4 31B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-01.

xAI: Grok 4.3 Google: Gemma 4 31B
Vendorx-aigoogle
Quality Score100100
Benchmark Score58.056.9
Input Price$1.25/M$0.10/M
Output Price$2.50/M$0.34/M
Context Window1,000,000262,144
Max Output-262,144
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index62.048.4
ai_index_agentic39.823.8
ai_index_coding69.771.7
eqbench-70.8

Who wins by task?

TaskxAI: Grok 4.3Google: Gemma 4 31B
SQL Generation 158 157
Code Review 155 154
Code Completion 120 132
Code Refactoring 155 152
Bug Fixing 164 161
Unit Test Generation 144 143
Code Documentation 139 138
Regex Writing 130 131
CI/CD Pipelines 136 136
Frontend Component Design 138 138
Data Analysis 153 152
CSV / Spreadsheet Cleanup 147 146
ETL Scripting 145 144
JSON Extraction 134 143
Bulk Data Labeling 124 133
OCR / Document Parsing 141 140
Table Extraction from PDFs 141 140
Long-Document Summarization 152 150
Short-Form Summarization 120 129
Blog Post Writing 134 134

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

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