ERNIE 5.0 API

baidu/ernie-5.0
ERNIE 5.0 Thinking is the reasoning‑optimized line of the model, designed specifically for deep analysis, complex problem solving, and long‑context workloads.
Context
128K tokens
Input
$1.82 / 1M tokens
Output
$7.28 / 1M tokens
Released
Jun 30, 2026

How to use ERNIE 5.0 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to baidu/ernie-5.0.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "baidu/ernie-5.0",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "baidu/ernie-5.0",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"baidu/ernie-5.0","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

ERNIE 5.0 API Pricing

TypePrice
Input
$1.82 / 1M tokens
Output
$7.28 / 1M tokens

ERNIE 5.0 vs other models

ModelInputOutputContextBest for
ERNIE 5.0
This page
$1.82 / 1M tokens
$7.28 / 1M tokens
128K tokens
Reasoning + agents
$6.5 / 1M tokens
$39 / 1M tokens
1M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$1.95 / 1M tokens
$3.9 / 1M tokens
1M tokens
Reasoning + agents

Frequently asked questions

ERNIE 5.0 has a 128,000 tokens context window and can return up to 65,536 tokens.

ERNIE 5.0 takes image, text as input and returns text.

Use baidu/ernie-5.0 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

ERNIE 5.0 is priced at input $1.82 / 1M tokens, output $7.28 / 1M tokens.

Yes, ERNIE 5.0 can stream responses as they are generated.

Yes, ERNIE 5.0 accepts image input alongside text.

ERNIE 5.0 was built by Baidu.

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