head-to-head

Google: Gemini 4 Carbon vs Google: Gemini 4 Argon

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-12.

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, both cost $4.50 at current list prices.

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

On our blended benchmark score Gemini 4 Carbon leads 98.9 to 82.1.

Across the 18 tasks where they differ, Gemini 4 Carbon scores higher on 18 (SQL Generation, Code Review, Code Completion and others).

Gemini 4 Carbon was released in November 2026 and Gemini 4 Argon in October 2026.

Pick Gemini 4 Carbon 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.

Task	Google: Gemini 4 Carbon	Google: Gemini 4 Argon
SQL Generation	144	142
Code Review	150	147
Code Completion	119	119
Code Refactoring	151	149
Bug Fixing	154	151
Unit Test Generation	135	134
Code Documentation	138	137
Regex Writing	127	125
CI/CD Pipelines	131	130
Frontend Component Design	133	132
Data Analysis	138	136
CSV / Spreadsheet Cleanup	136	136
ETL Scripting	141	139
OCR / Document Parsing	135	135
Table Extraction from PDFs	135	135
Long-Document Summarization	152	150
Short-Form Summarization	118	117
Blog Post Writing	132	130

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