---
format: "aidr-story-markdown/v1"
id: "648aa77dee164f032816b0f4004c31589425eff5082d239c6bd610a16cb08c1d"
canonical_url: "https://aidr.today/648aa77d?lang=en"
title: "Google’s Gemini 4 Carbon Matches Opus 5.5 in Coding"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-10-09T20:23:12.000Z"
category: "Models"
topics: ["google","llm"]
source_urls: ["https://huggingnews.com/ai/googles-gemini-4-carbon-matches-opus-55-in-coding-577c596a","https://marketbrief.now/ai/googles-gemini-4-carbon-matches-opus-55-in-coding-577c596a","https://www.techmeme.com/261009/p25","https://the-decoder.com/googles-gemini-4-carbon-model-is-reportedly-matching-anthropics-opus-5-5-coding-performance/"]
summary: "Internal Google documents and screenshots seen by Business Insider indicate that a Gemini 4 checkpoint codenamed Carbon matches the coding capabilities of Opus 5.5. These trials occur as Google prepares for the public release of a model known as Argon."
---

# Google’s Gemini 4 Carbon Matches Opus 5\.5 in Coding

> [Open the canonical story](<https://aidr.today/648aa77d?lang=en>)

**Published:** 2026-10-09T20:23:12.000Z
**Category:** Models
**Topics:** google, llm

## Summary

Internal Google documents and screenshots seen by Business Insider indicate that a Gemini 4 checkpoint codenamed Carbon matches the coding capabilities of Opus 5\.5\. These trials occur as Google prepares for the public release of a model known as Argon\.

## Sources

- [Story source](<https://huggingnews.com/ai/googles-gemini-4-carbon-matches-opus-55-in-coding-577c596a>)
- [Story source](<https://marketbrief.now/ai/googles-gemini-4-carbon-matches-opus-55-in-coding-577c596a>)
- [Story source](<https://www.techmeme.com/261009/p25>)
- [Story source](<https://the-decoder.com/googles-gemini-4-carbon-model-is-reportedly-matching-anthropics-opus-5-5-coding-performance/>)