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01

Providers + pricing

CapabilitiesProvider details
● Your own key · billed by your provider · AnyRouter fee $0
AIHubMix
aihubmix-byok
$1.08list$3.09list
Unavailable
● Free pool · donated keys · not available for this model — donate a key
02

Try it

POST /api/v1/chat/completions
import { createAnyRouter } from "@anyr/ai-sdk-provider"import { generateText } from "ai" const anyrouter = createAnyRouter() const { text } = await generateText({  model: anyrouter("stepfun-ai/step-5-preview"),  prompt: "Say hi in 3 words.",})console.log(text)
Set ANYROUTER_API_KEY · edits on the demo update this code
Live demo

Attach an image, ask about it, and run it on this model.

03

Uptime + latency

—recent checks · all routes

No health checks recorded for this model yet.

24h
No traffic in the last 24h.
More performance detail
Usage analytics

Loading usage…

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.

Step 5 Preview

  • AIHubMix
Visiontext + image + video → text1Mtoken context
Context
1M
Input
$1.08
Output
$3.09
TTFT
—
Uptime
—
Routes
1
04

Your access

Credits
Your own key · AnyRouter fee $0

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.

Free poolnot in pool yetDonate key →
Create API key for this model
Text generation
Context length1,000,000 tokens
Max output64,000 tokens
Reasoning effortreasoning_effort
"low""medium""high"

Default "medium"

ArchitectureTransformer
Categorytext
ReleasedSep 20, 2026
Modalities
→
Capabilities
05

About

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.

Released 2026-09-20 · params: max_tokens · temperature · top_p · tools · tool_choice · response_format

API & code
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Step 5 Preview
AIHubMix upstream share card
AIHubMix upstream
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