head-to-head

Google: Gemma 4 31B vs Qwen: Qwen3.5 397B A17B

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

Google: Gemma 4 31B Qwen: Qwen3.5 397B A17B
Vendorgoogleqwen
Quality Score100100
Benchmark Score53.760.1
Input Price$0.20/M$0.50/M
Output Price$0.40/M$3.60/M
Context Window262,144262,144
Max Output16,384235,929
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index48.455.6
ai_index_agentic23.832.7
ai_index_coding71.779.5
eqbench57.558.0

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Gemma 4 31B costs $0.30 and Qwen3.5 397B A17B costs $1.40, so Gemma 4 31B is about 4.7 times cheaper for the same work.

Both read up to 262,144 tokens at once, roughly 393 pages of text.

On our blended benchmark score Qwen3.5 397B A17B leads 60.1 to 53.7.

Across the 20 tasks where they differ, Gemma 4 31B scores higher on 2 (Code Completion, Bulk Data Labeling), Qwen3.5 397B A17B on 18 (SQL Generation, Code Review, Code Refactoring and others).

Gemma 4 31B was released in April 2026 and Qwen3.5 397B A17B in February 2026.

Pick Gemma 4 31B if you need lower cost; pick Qwen3.5 397B A17B if you need benchmark performance or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskGoogle: Gemma 4 31BQwen: Qwen3.5 397B A17B
SQL Generation 156 159
Code Review 152 156
Code Completion 131 131
Code Refactoring 151 153
Bug Fixing 160 164
Unit Test Generation 143 145
Code Documentation 137 137
Regex Writing 131 132
CI/CD Pipelines 135 137
Frontend Component Design 138 140
Data Analysis 152 156
CSV / Spreadsheet Cleanup 145 146
ETL Scripting 143 145
JSON Extraction 143 144
Bulk Data Labeling 133 133
OCR / Document Parsing 140 141
Table Extraction from PDFs 140 141
Long-Document Summarization 149 150
Short-Form Summarization 129 129
Blog Post Writing 133 134

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

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