- Aliases
- step-5-preview
- Pricing
- {"url":"https://models.dev","input":1.04613,"output":2.98895,"source":"models.dev","checked":"2026-11-14","context":1000000,"model_id":"step-5-preview","provider":"stepfun","reasoning":true,"cache_read":0.10461,"last_updated":"2026-09-20","open_weights":true,"release_date":"2026-09-16"}
- Graph Id
- models.dev:stepfun/step-5-preview
- Maker Id
- wikidata:Q137204546
- Model Key
- step-5-preview
- Arena Chat
- {"n":12345,"url":"https://lmarena.ai/leaderboard/text","rank":84,"unit":"rating","board":"chat","lower":1442.2536842355867,"upper":1454.8444980733993,"value":1448.549091154493,"source":"LMArena chat","dataset":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset","history":[{"week":"2026-09-28","value":1453.68,"variant":"Step 5 Preview","published":"2026-10-02"},{"week":"2026-10-05","value":1447.325,"variant":"Step 5 Preview","published":"2026-10-08"},{"week":"2026-10-12","value":1447.27,"variant":"Step 5 Preview","published":"2026-10-15"},{"week":"2026-10-19","value":1447.682,"variant":"Step 5 Preview","published":"2026-10-22"},{"week":"2026-10-26","value":1448.374,"variant":"Step 5 Preview","published":"2026-10-28"},{"week":"2026-11-02","value":1448.298,"variant":"Step 5 Preview","published":"2026-11-08"},{"week":"2026-11-09","value":1448.549,"variant":"Step 5 Preview","published":"2026-11-11"}],"variant":"Step 5 Preview","variants":[{"n":12345,"name":"Step 5 Preview","rank":84,"lower":1442.2536842355867,"upper":1454.8444980733993,"value":1448.549091154493}],"published":"2026-11-11"}
- Categories
- AI model
- Maker Name
- StepFun