head-to-head

Google: Gemma 4 31B (free) vs MoonshotAI: Kimi K2.5

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

Google: Gemma 4 31B (free) MoonshotAI: Kimi K2.5
Vendorgooglemoonshotai
Quality Score100100
Benchmark Score53.759.2
Input PriceFree$0.45/M
Output PriceFree$2.25/M
Context Window262,144262,144
Max Output32,768235,929
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index31.338.7
eqbench70.872.5

Who wins by task?

TaskGoogle: Gemma 4 31B (free)MoonshotAI: Kimi K2.5
SQL Generation 140 140
Code Review 140 142
Code Completion 132 131
Code Refactoring 141 143
Bug Fixing 144 146
Unit Test Generation 130 131
Code Documentation 135 135
Regex Writing 126 126
CI/CD Pipelines 126 127
Frontend Component Design 128 129
Data Analysis 132 134
CSV / Spreadsheet Cleanup 134 134
ETL Scripting 133 135
JSON Extraction 132 131
Bulk Data Labeling 130 129
OCR / Document Parsing 131 132
Table Extraction from PDFs 131 132
Long-Document Summarization 143 145
Short-Form Summarization 127 126
Blog Post Writing 128 128

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

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