# Step 5 PreviewHigh

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StepFun

Canonical URL: https://benchize.com/models/step-5-preview-high
Last updated: Thu, 22 Oct 2026 06:20:09 GMT

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StepFun

## Benchmarks

| Benchmark | Score | Rank |  |
| --- | --- | --- | --- |
| [Arena webdev / webdev](https://benchize.com/benchmarks/lmarena%3Awebdev%3Awebdev.md) | 1,566.83 | 29 / 90 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `rating` \| 1566.830161228134 \| rating \| reported \| Higher is better \| ### Configuration category webdev config webdev Reasoning effort high thinkingEnabled true ### Reported statistics lower 1557.0713123690507 rank 39 upper 1576.5890100872175 variance 24.791397096696365 votes 4728 ### Source [Original source](https://datasets-server.huggingface.co/parquet/lmarena-ai%2Fleaderboard-dataset/webdev/latest) Source Arena Original model label Step 5 Preview (High) Observed 2026-10-22T00:45:04.817Z Evidence SHA-256 `f82507859808110820a4ab6df15561b8864137ddefc1f6fb0c552af2e58ea738` Source locator `/rows/250/row` |  |  |  |
| [Arena webdev / image to webdev](https://benchize.com/benchmarks/lmarena%3Awebdev%3Aimage_to_webdev.md) | 1,550.41 | 22 / 42 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `rating` \| 1550.4117076786192 \| rating \| reported \| Higher is better \| ### Configuration category image_to_webdev config webdev Reasoning effort high thinkingEnabled true ### Reported statistics lower 1538.8347116551736 rank 28 upper 1561.9887037020644 variance 34.88956752701929 votes 3300 ### Source [Original source](https://datasets-server.huggingface.co/parquet/lmarena-ai%2Fleaderboard-dataset/webdev/latest) Source Arena Original model label Step 5 Preview (High) Observed 2026-10-22T00:45:04.817Z Evidence SHA-256 `f82507859808110820a4ab6df15561b8864137ddefc1f6fb0c552af2e58ea738` Source locator `/rows/175/row` |  |  |  |
| [Arena webdev / webdev-react](https://benchize.com/benchmarks/lmarena%3Awebdev%3Awebdev-react.md) | 1,582.87 | 27 / 81 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `rating` \| 1582.8744799915103 \| rating \| reported \| Higher is better \| ### Configuration category webdev-react config webdev Reasoning effort high thinkingEnabled true ### Reported statistics lower 1570.8802305172012 rank 37 upper 1594.8687294658193 variance 37.44984058581473 votes 3019 ### Source [Original source](https://datasets-server.huggingface.co/parquet/lmarena-ai%2Fleaderboard-dataset/webdev/latest) Source Arena Original model label Step 5 Preview (High) Observed 2026-10-22T00:45:04.817Z Evidence SHA-256 `f82507859808110820a4ab6df15561b8864137ddefc1f6fb0c552af2e58ea738` Source locator `/rows/543/row` |  |  |  |
| [Arena webdev / webdev-html](https://benchize.com/benchmarks/lmarena%3Awebdev%3Awebdev-html.md) | 1,555.9 | 29 / 89 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `rating` \| 1555.903243091917 \| rating \| reported \| Higher is better \| ### Configuration category webdev-html config webdev Reasoning effort high thinkingEnabled true ### Reported statistics lower 1532.1443760487844 rank 40 upper 1579.6621101350493 variance 146.94515534888464 votes 722 ### Source [Original source](https://datasets-server.huggingface.co/parquet/lmarena-ai%2Fleaderboard-dataset/webdev/latest) Source Arena Original model label Step 5 Preview (High) Observed 2026-10-22T00:45:04.817Z Evidence SHA-256 `f82507859808110820a4ab6df15561b8864137ddefc1f6fb0c552af2e58ea738` Source locator `/rows/399/row` |  |  |  |
| [Arena webdev / overall](https://benchize.com/benchmarks/lmarena%3Awebdev%3Aoverall.md) | 1,566.83 | 29 / 90 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `rating` \| 1566.830161228134 \| rating \| reported \| Higher is better \| ### Configuration category overall config webdev Reasoning effort high thinkingEnabled true ### Reported statistics lower 1557.0713123690507 rank 39 upper 1576.5890100872175 variance 24.791397096696365 votes 4728 ### Source [Original source](https://datasets-server.huggingface.co/parquet/lmarena-ai%2Fleaderboard-dataset/webdev/latest) Source Arena Original model label Step 5 Preview (High) Observed 2026-10-22T00:45:04.817Z Evidence SHA-256 `f82507859808110820a4ab6df15561b8864137ddefc1f6fb0c552af2e58ea738` Source locator `/rows/38/row` |  |  |  |

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Cite as: Step 5 PreviewHigh — Benchize, https://benchize.com/models/step-5-preview-high (retrieved 2026-10-22)