Google发布Gemini 4 Hydrogen及Orchestrator功能
Gemini 4 Hydrogen and Orchestrator
Agent工作流编排的新范式，用Hydrogen+Carbon动态切换显著降本增效，做工程Agent的同学值得实测对比。
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Gemini 4 Hydrogen and Orchestrator - BlogblogBlogBlogGemini 4 Hydrogen and Orchestrator - Blog
Gemini 4 Hydrogen 与 Orchestrator - BlogblogBlogBlogGemini 4 Hydrogen 与 Orchestrator - Blog
Gemini 4 Hydrogen and Orchestrator
Gemini 4 Hydrogen 与 Orchestrator
The Antigravity Team
反重力团队 (The Antigravity Team)
·Nov 12, 2026·3 min read
·2026年11月12日·3分钟阅读
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Today, we’re rolling out Gemini 4 Hydrogen inside Google Antigravity alongside a new model dropdown option called Orchestrator, which pairs Hydrogen with our strongest models for long-horizon tasks, including Gemini 4 Carbon, in an optimized balance of quality, efficiency, and latency.
今天，我们在 Google Antigravity 中推出 Gemini 4 Hydrogen，并新增一个名为 Orchestrator（编排器）的模型下拉选项。该选项将 Hydrogen 与我们最强大的模型（包括 Gemini 4 Carbon）配对，在质量、效率和延迟之间实现优化平衡，以处理长周期任务。
Selecting Orchestrator (Carbon) from the model selector in Google Antigravity.
在 Google Antigravity 的模型选择器中选择 Orchestrator (Carbon)。
Put Gemini 4 Carbon and Gemini 4 Hydrogen to work with Orchestrator
使用 Orchestrator 协同运行 Gemini 4 Carbon 和 Gemini 4 Hydrogen
Earlier this week, we introduced Gemini 4 Carbon alongside /swarm for tackling massive, multi-worktree engineering tasks with parallel agent teams. In just a couple of days, tens of thousands of swarms have been launched on Antigravity, pushing frontier intelligence on the hardest problems.
本周早些时候，我们介绍了 Gemini 4 Carbon 以及 /swarm，用于通过并行代理团队应对庞大的多工作树工程任务。短短几天内，Antigravity 上已启动数万个工作群（swarms），在最棘手的问题上推动前沿智能的发展。
For everyday feature work and debugging inside a single session, running a frontier reasoning model with multiple parallel agents on every step of every routine task slows down your loop and burns frontier quota. A common industry approach is to use a static “model router” that guesses task difficulty from your first prompt and routes the entire task to the cheapest model that is good enough to complete the task. Unfortunately, these start breaking down as agents become longer running, requiring different levels of complexity at different stages, often discovered as the task evolves.
对于单个会话内的日常功能开发和调试，如果在每个常规任务的每一步都运行带有多个并行代理的前沿推理模型，会减缓你的迭代循环并消耗大量前沿配额。行业常见的做法是使用静态“模型路由器”，根据第一个提示词猜测任务难度，并将整个任务路由到完成该任务足够好且成本最低的模型。不幸的是，随着代理运行时间变长，需要在不同阶段处理不同复杂度的问题（这些问题通常在任务演进过程中才会被发现），这些方法开始失效。
Orchestrator takes a dynamic, bidirectional approach between Carbon and Gemini 4 Hydrogen within the evolution of a single trajectory. For example, Carbon can start in a read-only phase to explore dependencies, resolve ambiguities, and build a concrete plan with explicit re-planning triggers. Hydrogen could then take over to write edits, update packages, and run tests. If Hydrogen hits friction, it would hand back to Carbon to inspect the state, repair the plan, and resume execution. This allows Orchestrator to reach near-Carbon task success while being faster and more quota-efficient. On Terminal-Bench 4.1, Orchestrator reached near-Carbon task success rates while, on average, consuming 24% less quota and completing 19% faster.
Orchestrator 在单次轨迹的演进过程中，在 Carbon 和 Gemini 4 Hydrogen 之间采取动态的双向方法。例如，Carbon 可以在只读阶段开始，以探索依赖关系、解决歧义并构建具有明确重新规划触发器的具体计划。随后，Hydrogen 可以接管进行代码编辑、更新包和运行测试。如果 Hydrogen 遇到阻碍，它会将控制权交还给 Carbon，由 Carbon 检查状态、修复计划并恢复执行。这使得 Orchestrator 能够以接近 Carbon 的任务成功率，同时实现更快的速度和更高的配额效率。在 Terminal-Bench 4.1 基准测试中，Orchestrator 达到了接近 Carbon 的任务成功率，平均消耗的配额减少了 24%，完成速度提高了 19%。
- Explicit multi-model pipelines with the Antigravity SDK: When you want programmatic control over which model handles each role, you can wire Hydrogen and Carbon together directly with the Antigravity SDK. In the demo below, an open-source issue triage system built with the Antigravity SDK pairs multiple agents together. The Hydrogen agents handle triaging and coding to keep up with incoming issue volume, searching the codebase, asking clarifying questions, and fast UI iteration from PR comments while the Carbon agent is assigned to larger refactors, new features, and security checks.
- 使用 Antigravity SDK 构建显式多模型流水线：当你希望对每个角色由哪个模型处理进行编程控制时，你可以直接使用 Antigravity SDK 将 Hydrogen 和 Carbon 连接起来。在下面的演示中，一个使用 Antigravity SDK 构建的开源问题分类系统会将多个智能体配对协作。Hydrogen 智能体负责分类和编码工作，以跟上涌入的问题数量，包括搜索代码库、提出澄清性问题，以及根据 PR 评论快速迭代 UI；而 Carbon 智能体则被分配用于较大的重构、新功能开发和安全检查。
Pairing Gemini 4 Hydrogen and Gemini 4 Carbon with the Antigravity SDK for automated open-source issue triage and code generation.
使用 Antigravity SDK 将 Gemini 4 Hydrogen 和 Gemini 4 Carbon 配对，用于自动化的开源问题分类和代码生成。
- Fast, dependable execution with Gemini 4 Hydrogen: Hydrogen also works as a standalone model for everyday coding and agentic work, scoring 51 on the Artificial Analysis Intelligence Index (surpassing Argon’s 50, and reaching 54 at its highest setting) and 57% on Terminal-Bench 4.1 (more than tripiling 3.8 Flash’s 18.2%). When selecting Hydrogen directly, you can dial reasoning depth across four thinking levels, low, medium, high (default), and a new xhigh tier.
- Gemini 4 Hydrogen 提供快速且可靠的执行能力：Hydrogen 也可作为独立模型用于日常编码和智能体工作，在 Artificial Analysis Intelligence Index（人工智能分析智能指数）上得分为 51（超过 Argon 的 50，在其最高设置下达到 54），在 Terminal-Bench 4.1 上得分为 57%（是 3.8 Flash 的 18.2% 的三倍多）。直接选择 Hydrogen 时，你可以在四个思维层级中调节推理深度：低、中、高（默认）以及新的超高（xhigh）层级。
Using Gemini 4 Hydrogen in Google Antigravity to upgrade dependencies, refactor shared utilities, and generate accessible image alt text.
在 Google Antigravity 中使用 Gemini 4 Hydrogen 升级依赖项、重构共享工具函数，并生成可访问的图片替代文本（alt text）。
Getting started
入门指南
Gemini 4 Hydrogen brings cutting-edge intelligence for everyday coding and agentic workflows. When you want frontier planning paired with speed without managing model switches, Orchestrator puts both Gemini 4 Carbon and Gemini 4 Hydrogen behind one prompt. Starting today, Gemini 4 Hydrogen is rolling out across paid Google AI Pro and Ultra subscribers. Orchestrator is rolling out as Orchestrator (Carbon) and Orchestrator (Argon) for Google AI Ultra subscribers, and as Orchestrator (Argon) for paid Google AI Pro subscribers, with additional models and plans supported in the future. Enterprises can access both in Gemini for business.
Gemini 4 Hydrogen 为日常编码和智能体工作流带来前沿的智能。当你希望将前沿规划与速度相结合，而不必管理模型切换时，Orchestrator（编排器）可将 Gemini 4 Carbon 和 Gemini 4 Hydrogen 置于同一个提示词背后。从今天起，Gemini 4 Hydrogen 正在向付费的 Google AI Pro 和 Ultra 用户推出。Orchestrator 正以 Orchestrator (Carbon) 和 Orchestrator (Argon) 的形式向 Google AI Ultra 用户推出，并以 Orchestrator (Argon) 的形式向付费 Google AI Pro 用户推出，未来还将支持更多模型和计划。企业用户可以通过 Gemini for Business 访问这两者。
Download AntigravityRead the Orchestrator docs
下载 Antigravity 阅读 Orchestrator 文档
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