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Impossibl · First-party API · LLM

stepfun/step-5-preview

Release announcedReleased on Oct 9, 2026

Impossibl released stepfun/step-5-preview on Oct 9, 2026. Source: impossibl.com · Last checked Oct 19, 2026

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Notice

Release announced

Released on Oct 9, 2026

Impossibl announced this model on 2026-10-09. gateway.

Hosting route
First-party API
Affected scope
gateway
Announced
Oct 9, 2026
First seen by ModelClock
Oct 9, 2026

What the provider published

impossibl.com ↗

oct 9, 2026

stepfun/step-3.7-flash

new model

Step 3.7 Flash joins the gateway.

stepfun/step-5-preview

new model

Step 5 Preview joins the gateway.

Read from the provider's text; the quote is the provider's exact lines.

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