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AnyRouter

Step 5 Preview

StepFun AI
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Step 5 Preview is StepFun's next-generation flagship base model designed for real-world tasks, with a focus on programming and professional expertise. A multimodal (text, image, video in / text out) base model with a 1M-token context and adjustable reasoning effort.

Providers
Capabilities
AIHubMix
aihubmix-byok
$0
$0
Unavailable
Usage analytics

Loading usage…

API & code
Uptime & Health
No uptime data yet

These providers haven't been health-probed for this model yet. The router still routes around upstreams that fail live requests — uptime fills in once probe history accrues.

Share cards
Step 5 Preview share card
Step 5 Preview
AIHubMix upstream share card
AIHubMix upstream
Credits
Use your own key

Run Step 5 Preview on your own key — your requests are billed by the provider. Pool callers pay AnyRouter credits.

No BYOK keys configured for this model yet.

Share a key with the pool to earn credits for every request it serves, covering your plan cost.

Text generation
Context length1,000,000 tokens
Max output64,000 tokens
Reasoning effortreasoning_effort
"low""medium""high"

Default "medium"

ArchitectureTransformer
Categorytext
ReleasedSep 20, 2026
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