ERNIE 4.5 VL 424B A47B

BaiduReasoning

baidu/ernie-4.5-vl-424b-a47bOpen Weights

Multimodal reasoning model for visual analysis, planning, and tool use

Benchmark Pricing$0.42 / 1M in$1.25 / 1M out

Context: 123,000 tokens•Max Output: 16,000 tokens•Knowledge: 2025-03-31•Released: 2025-06-30

TECHNICAL SPECIFICATIONS

Context Window123,000123K tokens

Max Output16,00016K tokens

LicenseOpen SourceSelf-hostable

Input Modalities

TextVision

Function / Tool CallingNot Supported

Structured OutputsPrompt Based

MODEL CONTEXT PROTOCOL (MCP) READINESS

⚠ ERNIE 4.5 VL 424B A47B does not natively advertise tool-calling capabilities. When connecting to MCP servers, function calling must be handled via structured prompt injection.

MCP Context Window Recommendations

With a context capacity of 123,000 tokens, this model can handle compact tool sets. Consider keeping MCP server tool manifests minimal to preserve headroom.

API CALL INVOCATION EXAMPLE

// Example: Calling ERNIE 4.5 VL 424B A47B  via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.BAIDU_API_KEY,
});

const response = await client.chat.completions.create({
  model: "baidu/ernie-4.5-vl-424b-a47b",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);