AI Index

Step 5 Preview

Language StepFun Verified Preview
Model ID
Context
1M
64K max output
Input price
$1.00
per 1M tokens · StepFun API
Output price
$2.70
per 1M tokens
Epoch Capabilities Index
—
Not listed
LMArena Text
1,454
#51 of 149 listed

Where to run it

2 offerings · prices as listed
MeterTierPrice
StepFun API (opens in a new tab) Official Preview Global · USD step-5-preview
InputStandard $1.00 / 1M tokens
OutputStandard $2.70 / 1M tokens
Cache readStandard $0.050 / 1M tokens
StepFun API (opens in a new tab) Official Preview China · CNY step-5-preview
InputStandard ¥7.00 / 1M tokens
OutputStandard ¥20.00 / 1M tokens
Cache readStandard ¥0.35 / 1M tokens

No changes recorded yet.

Cited scores

From third-party leaderboards, not measured by us
  • LMArena Text 1,454

    #51 of 149 listed models · CI 1,443–1,465 · 2,701 votes

  • LMArena Text · Chinese 1,499

    #46 of 149 listed models · CI 1,460–1,537 · 200 votes

  • LMArena Text · Coding 1,511

    #45 of 149 listed models · CI 1,489–1,532 · 667 votes

  • LMArena Vision 1,278

    #27 of 87 listed models · CI 1,254–1,302 · 604 votes

  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Oct 2, 2026
  • changes we made