ERNIE X1.1

Baidu ERNIE X1.1 deep thinking model; retired on 2026-09-29.

Baiduernie-x1.12025-09-26Report incorrect data

Specs

Context: 65.5K
Max output: 65.5K
Input price: —
Output price: —
Released: 2025-09-26

Context

Context window: 65.5K
Max input: 56.3K
Max output: 65.5K

Pricing

Not published

Modalities

Input: Text
Output: Text

API

API types: chatmessages

Reasoning

Reasoning: Yes
Levels: —

Info

Status: Retired
Released: 2025-09-26
Knowledge cutoff: —

Features

Confirmed: streaming

How to call

baidumodel = ernie-x1.1

chat

POSThttps://qianfan.baidubce.com/v2/chat/completions

messages

POSThttps://qianfan.baidubce.com/anthropic/v1/messages

JSON

ernie-x1.1.json

{
  "id": "ernie-x1.1",
  "object": "model",
  "created": 1758844800,
  "owned_by": "baidu",
  "name": "ERNIE X1.1",
  "api": {
    "types": [
      "chat",
      "messages"
    ]
  },
  "limits": {
    "context": 65536,
    "input": 56320,
    "output": 65536
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": true,
    "efforts": []
  },
  "pricing": null,
  "features": [
    "streaming"
  ],
  "info": {
    "status": "retired",
    "release_date": "2025-09-26",
    "knowledge_cutoff": null,
    "description": "Baidu ERNIE X1.1 deep thinking model; retired on 2026-09-29.",
    "docs": "https://cloud.baidu.com/doc/qianfan/s/rmh4stp0j",
    "verified_at": "2026-10-11"
  }
}

Official sources