ModelInfo
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Step-2X Large

Next-generation text-to-image model with more realistic texture and stronger Chinese and English text rendering. Retired on 2026-10-10 per the official image model retirement notice.

StepFunstep-2x-largeReport incorrect data

Specs

Context
—
Max output
—
Input price
—
Output price
$0.02/ image
Released
—

Context

Not published

Pricing · USD / image

Input
—
Output
$0.02
Cache read
—
Cache write
—

Modalities

Input
Text
Output
Image

API

API types
images

Reasoning

Not published

Info

Status
Retired
Released
—
Knowledge cutoff
—

Features

Not published
Source · official docsVerified 2026-10-11

How to call

1 provider

stepfunmodel = step-2x-large

images
POSThttps://api.stepfun.ai/v1/images/generations

JSON

Standard format
step-2x-large.json
{
  "id": "step-2x-large",
  "object": "model",
  "created": null,
  "owned_by": "stepfun",
  "name": "Step-2X Large",
  "api": {
    "types": [
      "images"
    ]
  },
  "limits": {
    "context": null,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "image"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "image",
    "input": null,
    "output": 0.02,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "retired",
    "release_date": null,
    "knowledge_cutoff": null,
    "description": "Next-generation text-to-image model with more realistic texture and stronger Chinese and English text rendering. Retired on 2026-10-10 per the official image model retirement notice.",
    "docs": "https://platform.stepfun.ai/docs/en/guides/image-offline-notice",
    "verified_at": "2026-10-11"
  }
}

Official sources

3