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StepFun model product

Step1X-Edit-v1p2

Model ranked by Artificial Analysis.

Updated Aug 18, 2026. Default version: Step1X-Edit-v1p2

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LLMBoard Image Editing Score31.3Step1X-Edit-v1p2
Coverage70%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable

On this page

  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Runtime
  • Specification
  • Versions
  • Compare
  • Similar models
  • About
  • FAQ

Step1X-Edit-v1p2 Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

Step1X-Edit-v1p2 LLMBoard score breakdown

Step1X-Edit-v1p2 Benchmark Results

Benchmark scores for Step1X-Edit-v1p2.

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Benchmark
Score
Rank
Participants
Percentile
Evidence
Evaluated
BenchmarkArtificial Analysis Image EditingScore1,089 EloRank53Participants67PercentileN/AEvidenceAEvaluatedAug 18, 2026

Step1X-Edit-v1p2 Arena Results

Preference and agent-evaluation results for the default version.

No Arena results

The default version does not have a matching Arena result yet.

Step1X-Edit-v1p2 Pricing

Prices are shown in the model's native media unit and resolution tier.

Native price
N/A
Price unit
N/A
Tier
Standard
Tracked offerings
0
No price available

This model does not have a current media price.

Media catalog prices are not converted into token input or output prices.

Step1X-Edit-v1p2 Runtime Performance

Provider-specific output speed and catalog latency for Step1X-Edit-v1p2. Runtime does not affect the capability score.

No runtime data

No provider-specific speed or latency record is linked to the default version yet.

Browse runtime rankings

Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.

Step1X-Edit-v1p2 Specifications

Technical details for the model's default version.

Version
Step1X-Edit-v1p2
Released
Unknown
Knowledge cutoff
Unknown
Parameters
N/A
Context window
N/A
Max output
N/A
Inputs
image
Outputs
image
Open weights
No
License
Unspecified

Step1X-Edit-v1p2 Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

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Version
Released
LLMBoard
Parameters
Context
Max output
Open weights
License
VersionStep1X-Edit-v1p2ReleasedN/ALLMBoard31.3ParametersN/AContextN/AMax outputN/AOpen weightsN/ALicenseUnspecified

Step1X-Edit-v1p2 vs nearby models

Open a comparison with the three ranked models immediately above and below this model.

Step1X-Edit-v1p2vsQwen ImageStep1X-Edit-v1p2vsLongCat ImageStep1X-Edit-v1p2vsFLUX.2 [dev]Step1X-Edit-v1p2vsQwen Image EditStep1X-Edit-v1p2vsFIBO EditStep1X-Edit-v1p2vsSeedEdit 3.0

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What is Step1X-Edit-v1p2?

Key information about Step1X-Edit-v1p2 and its available data.

Model ranked by Artificial Analysis.

Data as of 2026-08-17.

FAQ

Common questions about Step1X-Edit-v1p2.

When was Step1X-Edit-v1p2 released?

A release date is not available for the default version.

How much does Step1X-Edit-v1p2 cost?

No native catalog price is currently available for Step1X-Edit-v1p2.

Who created Step1X-Edit-v1p2?

Step1X-Edit-v1p2 was created by StepFun.

What is the context window for Step1X-Edit-v1p2?

A context window is not available for the default version.

Is Step1X-Edit-v1p2 open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer Step1X-Edit-v1p2?

No provider offering is currently linked to the default version.

What models should I compare Step1X-Edit-v1p2 with?

Nearby ranked alternatives include Qwen Image, LongCat Image, FLUX.2 [dev].