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RELAI平台怎么用?2026年AI Agent模拟评估优化全流程实战

2026/5/4
RELAI平台怎么用?2026年AI Agent模拟评估优化全流程实战

AIAI Summary (BLUF)

RELAI is a platform that streamlines AI agent development through simulation, evaluation, and optimization. It supports popular agent frameworks like OpenAI Agents SDK and provides a Python SDK for rapid iteration. This article covers installation, setup, and a complete example of optimizing a stock assistant agent.

原文翻译:
RELAI是一个通过模拟、评估和优化来简化AI代理开发的平台。它支持OpenAI Agents SDK等主流代理框架,并提供Python SDK以便快速迭代。本文涵盖安装、设置以及优化股票助手代理的完整示例。

1. Core Concepts

RELAI is a platform for building reliable AI agents. It streamlines the hardest parts of agent development—simulation, evaluation, and optimization—so you can iterate quickly with confidence.

RELAI 是一个用于构建可靠 AI Agent 的平台。它简化了 Agent 开发中最困难的部分——模拟评估优化——让你能够自信地快速迭代。

Key Capabilities

The platform provides three core capabilities that form a complete development cycle:

Capability Description Core Function
Agent Simulation Create full/partial environments, define LLM personas, mock MCP servers & tools, and generate synthetic data Optionally condition simulation on real samples to better match production
Agent Evaluation Mix code-based and LLM-based custom evaluators or use RELAI platform evaluators Turn human reviews into benchmarks you can re-run
Agent Optimization (Maestro) Holistic optimizer that uses evaluator signals & feedback to improve prompts/configs and suggest graph-level changes Select best model/tool/graph based on observed performance
能力 描述 核心功能
Agent 模拟 创建完整/部分环境、定义 LLM 角色、模拟 MCP 服务器和工具、生成合成数据 可选择基于真实样本进行条件模拟,以更好地匹配生产环境
Agent 评估 混合使用基于代码和基于 LLM 的自定义评估器,或使用 RELAI 平台评估器 将人工审查转化为可重复运行的基准测试
Agent 优化 (Maestro) 整体优化器,利用评估器信号和反馈改进提示/配置,并建议图级别变更 基于观察到的性能选择最佳模型/工具/图

Framework Compatibility

Works with a wide range of agent frameworks:

Framework Compatibility Integration Detail
OpenAI Agents SDK ✅ Full Support Native integration with agents package
Google ADK ✅ Full Support Works with Google's Agent Development Kit
LangGraph ✅ Full Support LangChain graph-based agent framework
Other Frameworks ✅ Supported Extensible for custom frameworks

兼容框架:支持多种 Agent 框架:

框架 兼容性 集成详情
OpenAI Agents SDK ✅ 完全支持 agents 包原生集成
Google ADK ✅ 完全支持 适用于 Google 的 Agent 开发工具包
LangGraph ✅ 完全支持 LangChain 基于图的 Agent 框架
其他框架 ✅ 支持 可扩展以支持自定义框架

2. Quickstart

Create a free account and get a RELAI API key: platform.relai.ai/settings/access/api-keys

创建一个免费账户并获取 RELAI API 密钥:platform.relai.ai/settings/access/api-keys

Installation and Setup

pip install relai
# or
uv add relai

export RELAI_API_KEY="<RELAI_API_KEY>"

安装与配置

安装包并设置环境变量。

3. Main Analysis: Simulate → Evaluate → Optimize

The true power of RELAI lies in its three-step iterative workflow. Below we analyze each phase in depth.

RELAI 的真正力量在于其三步骤迭代工作流。下面我们对每个阶段进行深入分析。

3.1 Agent Simulation

Simulation is the foundation of reliable agent development. RELAI's AsyncSimulator allows you to create realistic test environments without needing a production deployment.

模拟是可靠 Agent 开发的基础。RELAIAsyncSimulator 允许你在无需生产部署的情况下创建真实的测试环境。

Key Simulation Components

Component Purpose Configuration
Persona Define LLM user personas for realistic interaction User persona description string
Mock Tools Simulate external tool/MCP server behavior Tool function decorators
Environment Generator Create random/conditioned test scenarios random_env_generator with config sets
Simulation Tape Record full execution trace for auditing Automatic with SimulationTape
组件 用途 配置
角色 (Persona) 定义 LLM 用户角色以实现真实交互 用户角色描述字符串
模拟工具 模拟外部工具/MCP 服务器行为 工具函数装饰器
环境生成器 创建随机/条件测试场景 带配置集的 random_env_generator
模拟磁带 记录完整执行轨迹以便审计 通过 SimulationTape 自动完成

3.2 Agent Evaluation with Critico

After simulation, RELAI's Critico evaluation engine analyzes agent performance using configurable evaluators.

在模拟之后,RELAICritico 评估引擎使用可配置的评估器分析 Agent 性能。

Evaluator Types

Evaluator Type Description Weight Support
Code-based Custom Python evaluators for deterministic checks Yes
LLM-based LLM-as-judge for qualitative assessment Yes
RELAI Format Built-in format compliance checking Yes
Human Review Convert manual reviews into automated benchmarks Yes
评估器类型 描述 权重支持
基于代码 用于确定性检查的自定义 Python 评估器
基于 LLM LLM 作为评判者进行定性评估
RELAI 格式 内置格式合规性检查
人工审查 将手动审查转化为自动化基准

The evaluation results are reported to the RELAI platform for centralized tracking:

critico = Critico(client=client)
format_evaluator = RELAIFormatEvaluator(client=client)
critico.add_evaluators({format_evaluator: 1.0})
critico_logs = await critico.evaluate(agent_logs)
await critico.report(critico_logs)
await critico.report_aggregate(logs, title="Stock assistant evaluation")

评估结果会报告到 RELAI 平台以进行集中追踪。

3.3 Agent Optimization with Maestro

The most advanced feature is Maestro, a holistic optimizer that goes beyond simple prompt tuning.

最先进的功能是 Maestro,一个超越简单提示调优的整体优化器。

Maestro Optimization Parameters

Parameter Type Default Description
total_rollouts int 20 Total number of rollouts for optimization
batch_size int 4 Base batch size for individual optimization steps
explore_radius int 1 Controls aggressiveness of exploration
explore_factor float 0.5 Controls exploration-exploitation trade-off (0 to 1)
参数 类型 默认值 描述
total_rollouts int 20 优化使用的总 rollout 次数
batch_size int 4 单个优化步骤的基础批次大小
explore_radius int 1 控制探索的激进程度
explore_factor float 0.5 控制探索与利用的权衡(0 到 1)

Two-Level Optimization

Maestro operates on two distinct levels:

Maestro 在两个不同层面进行操作:

Optimization Level Scope Example Changes
Config Optimization Parameters registered via register_param System prompt, temperature, model choice
Structure Optimization Code-level graph changes Add/remove tools, modify agent chain, change routing logic
优化层面 范围 变更示例
配置优化 通过 register_param 注册的参数 系统提示词、温度参数、模型选择
结构优化 代码层面的图结构变更 添加/移除工具、修改 Agent 链、改变路由逻辑

Optimization Workflow

The core optimization loop follows this pattern:

核心优化循环遵循此模式:

  1. Config Optimization: Uses evaluator feedback to tune registered parameters (e.g., prompt text, model selection)
  2. Structure Optimization: Explores graph-level changes by suggesting modifications to the agent's code structure
  3. Iterative Refinement: Repeats the simulate-evaluate-optimize cycle until performance converges
# Step 1: Optimize configs
await maestro.optimize_config(
    total_rollouts=20,
    batch_size=2,
    explore_radius=1,
    explore_factor=0.5,
    verbose=True,
)

# Step 2: Optimize agent structure
await maestro.optimize_structure(
    total_rollouts=10,
    code_paths=["stock-assistant.py"],
    verbose=True,
)
  1. 配置优化:利用评估器反馈调整注册的参数(例如提示词文本、模型选择)
  2. 结构优化:通过建议修改 Agent 代码结构来探索图级变更
  3. 迭代优化:重复模拟-评估-优化循环,直到性能收敛

Summary

RELAI provides a complete, end-to-end platform for building reliable AI agents. By integrating simulation, evaluation, and optimization into a single workflow, it enables developers to:

  1. Test thoroughly before deployment with realistic simulations
  2. Evaluate objectively using configurable, weighted evaluators
  3. Optimize automatically at both configuration and architecture levels
  4. Iterate confidently with full traceability and reproducible benchmarks

RELAI 提供了一个完整的端到端平台,用于构建可靠的 AI Agent。通过将模拟、评估和优化集成到单一工作流中,它使开发者能够:

  1. 在部署前进行充分测试,使用真实模拟
  2. 进行客观评估,使用可配置、可加权的评估器
  3. 自动优化,在配置和架构两个层面进行
  4. 自信地迭代,具有完整可追溯性和可复现的基准测试

The platform's adaptive approach—from prompt tuning to graph-level structural changes—makes it suitable for both simple assistants and complex multi-agent systems. Whether you are building customer support bots, code generation tools, or data analysis agents, RELAI's simulate → evaluate → optimize loop helps you ship production-ready agents faster.

该平台的自适应方法——从提示调优到图级结构变更——使其适用于简单的助手和复杂的多 Agent 系统。无论你是构建客户支持机器人、代码生成工具还是数据分析 Agent,RELAI 的模拟 → 评估 → 优化循环都能帮助你更快地交付生产级 Agent。

常见问题(FAQ)

RELAI平台主要解决什么问题?

RELAI通过模拟、评估和优化三个步骤,简化AI代理开发。它帮助开发者快速迭代,提升代理的可靠性,支持OpenAI Agents SDK等主流框架。

如何快速开始使用RELAI优化OpenAI Agents?

首先创建免费账户获取API密钥,然后安装RELAI Python SDK:pip install relai,设置环境变量RELAI_API_KEY。接着使用模拟器创建测试环境,运行评估和优化即可。

RELAI支持哪些AI代理框架?

RELAI完全支持OpenAI Agents SDKGoogle ADKLangGraph,其他框架也可通过扩展集成。用户可以根据项目需求选择合适的框架进行模拟、评估和优化。

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