head-to-head

Anthropic: Claude Opus 4.8 (batch) vs Google: Gemini 3.1 Flash Lite (batch)

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

	Anthropic: Claude Opus 4.8 (batch)	Google: Gemini 3.1 Flash Lite (batch)
Vendor	anthropic	google
Quality Score	100	100
Benchmark Score	84.3	-
Input Price	$2.50/M	$0.12/M
Output Price	$12.50/M	$0.75/M
Context Window	1,000,000	1,048,576
Max Output	128,000	65,536
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓
Benchmark Scores
ai_index	69.0	-
eqbench	83.3	-

Who wins by task?

Task	Anthropic: Claude Opus 4.8 (batch)	Google: Gemini 3.1 Flash Lite (batch)
SQL Generation	146	133
Code Review	155	132
Code Completion	120	131
Code Refactoring	157	136
Bug Fixing	159	136
Unit Test Generation	138	124
Code Documentation	141	131
Regex Writing	127	119
CI/CD Pipelines	134	120
Frontend Component Design	133	122
Data Analysis	139	124
CSV / Spreadsheet Cleanup	140	133
ETL Scripting	146	128
JSON Extraction	121	131
Bulk Data Labeling	117	129
OCR / Document Parsing	136	131
Table Extraction from PDFs	136	131
Long-Document Summarization	158	137
Short-Form Summarization	118	123
Blog Post Writing	134	121

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