报道称 Google Gemini 4 Carbon 编码性能对标 Anthropic Opus 5.5
Google's Gemini 4 "Carbon" model is reportedly matching Anthropic's Opus 5.5 coding performance
据 Business Insider 看到的文件、截图和内部聊天记录，Google 正在测试 Argon、Barium、Carbon 三个 Gemini 4 变体，其中 Carbon 已部署在内部编码平台 Jetski 上，据说在编程任务上强于 Argon。一名员工将 Carbon 与 Anthropic 最强的编码模型 Opus 5.5 相比，但表示仍需更多测试。Google 将模型角色划分为 Argon 负责前沿推理、Flash 负责速度与吞吐、Omni 负责生成式媒体、Gemma 负责轻量开源端侧，Carbon 和 Barium 可能是 Argon 家族内的检查点或更新。Gemini 4 尚无官方发布日期，Gemini 应用已出现 3 系列模型的 Automatic 模式和可调推理强度，Google AI Studio 也出现了 Ultra 模式。
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报道披露 Google 内部测试的 Gemini 4 变体与 Anthropic 编码模型的对比，可了解下一代模型的内部进展节奏。
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Gemini 4 "Argon" hasn't even shipped yet, and there are already rumors about the next performance update.
According to documents, screenshots, and internal chats seen by Business Insider , Google is testing several Gemini 4 variants called Argon, Barium, and Carbon. Carbon was deployed on Google's internal coding platform Jetski over the past few days and is said to beat Argon mainly on programming tasks.
One employee compared Carbon to Anthropic's strongest coding model, Opus 5.5, though it still needs more testing. Early Argon versions, by contrast, reminded another employee of the older Opus 5 on some coding tasks, even though internal feedback was positive overall.
Argon is Google's frontier reasoning model
Early rumors pegged Argon as a Flash model optimized for speed over peak performance. The announcement of Google's Gemini agent for Google Workspace puts that to rest. Google maps its models to specific roles: "Argon for frontier reasoning, Flash for speed and volume, Omni for generative media, and Gemma for lightweight, open-weights edge workloads," the company writes.
So Argon is definitely Google's most capable reasoning model, comparable to Anthropic's Opus or OpenAI's Astra. Carbon and Barium are likely checkpoints or updates within the Argon family, not separate tiers. One employee internally called Carbon "Gemini pro next model," suggesting it would ship under the Argon name. That fits with internal documents showing the now-unveiled Argon was previously called "Barium-B." Whether Carbon ships as an Argon update or a standalone model remains unclear.
The quick update pace, similar to what Google has done with the Flash models , suggests Google has gotten better at using AI to build new models. Google Deepmind employee Vedant Misra responded to the Business Insider report on X by writing, "Have you heard of recursive self improvement," referring to using AI to build better AI. OpenAI and Anthropic have reported similar progress.
Google is already prepping for the Gemini 4 launch
There's still no official Gemini 4 launch date yet , but Google is already retooling its apps. The Gemini app now shows a new "Automatic" mode for the 3-series models and adjustable reasoning intensity from low to high. Google AI Studio has surfaced a new "Ultra" mode promising "advanced skills and tools." Google's Logan Kilpatrick confirmed the team is working on getting the most out of Argon.