ModelInfo
English
All models

Spark X2.5-1.7B

iFlytek 1.7B dense Spark X2.5 model with 1M context for edge and lightweight deployments.

iFlytekspark-x2.5-1.7b2026-08-31Report incorrect data

Specs

Context
1.05M
Max output
—
Input price
¥0/ 1M tokens
Output price
¥0/ 1M tokens
Released
2026-08-31

Context

Context window
1.05M
Max input
—
Max output
—

Pricing · CNY / 1M tokens

Input
¥0
Output
¥0
Cache read
—
Cache write
—

Modalities

Input
Text
Output
Text

API

API types
chat

Reasoning

Not published

Info

Status
Active
Released
2026-08-31
Knowledge cutoff
—

Features

Not published
Source · official docsVerified 2026-10-11

JSON

Standard format
spark-x2.5-1.7b.json
{
  "id": "spark-x2.5-1.7b",
  "object": "model",
  "created": 1788134400,
  "owned_by": "iflytek",
  "name": "Spark X2.5-1.7B",
  "api": {
    "types": [
      "chat"
    ]
  },
  "limits": {
    "context": 1048576,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "CNY",
    "unit": "1M_tokens",
    "input": 0,
    "output": 0,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "active",
    "release_date": "2026-08-31",
    "knowledge_cutoff": null,
    "description": "iFlytek 1.7B dense Spark X2.5 model with 1M context for edge and lightweight deployments.",
    "docs": "https://www.xfyun.cn/doc/spark/Spark-X2.5%E6%A8%A1%E5%9E%8B%E4%BB%8B%E7%BB%8D.html",
    "verified_at": "2026-10-11"
  }
}

Official sources

2