Baidu: ERNIE 4.5 21B A3B Thinking

by Baidu

ERNIE-4.5-21B-A3B-Thinking is Baidu's upgraded lightweight MoE model, refined to boost reasoning depth and quality for top-tier performance in logical puzzles, math, science, coding, text generation, and expert-level academic benchmarks.

Avg Score

0.0%

0 answers

Avg Latency

0ms

0 runs

Pricing

$0.07

input

$0.28

output

per 1M tokens

Context

131K

tokens

Alternatives

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Other Models from Baidu

Compare performance with other models from the same creator

Model	Score	Latency	Cost/1M
Baidu: ERNIE 4.5 21B A3B	—	—	$0.18
Baidu: ERNIE 4.5 VL 28B A3B	—	—	$0.35
Baidu: ERNIE 4.5 VL 424B A47B	—	—	$0.84
Baidu: ERNIE 4.5 300B A47B	—	—	$0.69

Benchmark Performance

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Score Over Time

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Benchmark Activity

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Quickstart

Get started with this model using OpenRouter

View on OpenRouter

import { OpenRouter } from "@openrouter/sdk";

const openrouter = new OpenRouter({
  apiKey: "<OPENROUTER_API_KEY>"
});

const completion = await openrouter.chat.completions.create({
  model: "baidu/ernie-4.5-21b-a3b-thinking",
  messages: [
    {
      role: "user",
      content: "Hello!"
    }
  ]
});

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

Get your API key at openrouter.ai/keys