text stringlengths 0 59.1k |
|---|
B --> B1[Full Control] |
B --> B2[Custom Code] |
B --> B3[High Complexity] |
B --> B4[Slow Development] |
C --> C1[Ready Components] |
C --> C2[Best Practices] |
C --> C3[Flexible] |
C --> C4[Fast Development] |
D --> D1[Visual Interface] |
D --> D2[No Coding] |
D --> D3[Quick Start] |
D --> D4[Limited Features] |
classDef root fill:#ecfdf5 |
classDef framework fill:#10b981 |
classDef diy fill:#6ee7b7 |
classDef nocode fill:#a7f3d0 |
class A root |
class C,C1,C2,C3,C4 framework |
class B,B1,B2,B3,B4 diy |
class D,D1,D2,D3,D4 nocode |
`} /> |
:::tip |
Start with a framework if you're building your first AI application. You can always migrate to custom solutions later when you understand your specific needs better. |
::: |
<AgentFeaturePrioritizer /> |
## Voltagent Example |
:::note |
The following examples show Voltagent's approach, but similar patterns exist in other frameworks like LangChain, AutoGen, and CrewAI. The concepts are transferable. |
::: |
At this point I want to give a concrete example. While developing Voltagent, we experienced exactly these problems and tried to solve them. |
Voltagent's design philosophy is: **"Powerful defaults, infinite customization"** - meaning provide ready solutions for most use cases, but unlimited flexibility for special needs. |
One of our most important decisions was being **TypeScript-first**. Why? Because type safety really saves lives. In complex agent systems, knowing which function takes what parameters is critical. We also made a modular package system - you only use what you need: |
```typescript |
// Only use what you need |
import { Agent } from "@voltagent/core"; |
import { VoiceAgent } from "@voltagent/voice"; // If needed |
``` |
Provider-agnostic design was also very important. We didn't want vendor lock-in: |
```typescript |
// Easy provider switching |
const openaiAgent = new Agent({ |
llm: new VercelAIProvider(), |
model: openai("gpt-4o"), |
}); |
const anthropicAgent = new Agent({ |
llm: new AnthropicProvider(), |
model: anthropic("claude-3-5-sonnet"), |
}); |
``` |
### From Simple Agents to Complex Systems |
Creating an agent in its simplest form is really easy: |
```typescript |
const agent = new Agent({ |
name: "My Assistant", |
instructions: "Helpful and friendly assistant", |
llm: new VercelAIProvider(), |
model: openai("gpt-4o"), |
}); |
// Usage is also simple |
const response = await agent.generateText("Hello!"); |
console.log(response.text); |
``` |
But the beautiful thing is, you can do much more complex stuff with the same API. For example **structured data generation**: |
```typescript |
// Define schema for data extraction |
const personSchema = z.object({ |
name: z.string().describe("Full name"), |
age: z.number(), |
occupation: z.string(), |
skills: z.array(z.string()), |
}); |
// Ask agent for structured data |
const result = await agent.generateObject( |
"Create a profile for a software developer named Alex.", |
personSchema |
); |
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