head-to-head

Google: Gemini 3.8 Flash (batch) vs Google: Gemini 3.7 Flash (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-19.

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, both cost $0.84 at current list prices.

Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.

Across the 18 tasks where they differ, Gemini 3.8 Flash (batch) scores higher on 18 (SQL Generation, Code Review, Code Completion and others).

Gemini 3.8 Flash (batch) was released in September 2026 and Gemini 3.7 Flash (batch) in August 2026.

Pick Gemini 3.8 Flash (batch) if you need 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.

Task	Google: Gemini 3.8 Flash (batch)	Google: Gemini 3.7 Flash (batch)
SQL Generation	141	133
Code Review	144	132
Code Completion	132	131
Code Refactoring	146	136
Bug Fixing	148	136
Unit Test Generation	132	124
Code Documentation	137	131
Regex Writing	126	119
CI/CD Pipelines	128	120
Frontend Component Design	130	122
Data Analysis	134	124
CSV / Spreadsheet Cleanup	136	133
ETL Scripting	137	128
OCR / Document Parsing	134	131
Table Extraction from PDFs	134	131
Long-Document Summarization	148	137
Short-Form Summarization	126	123
Blog Post Writing	129	121

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