Step 5 Preview
A 1M-context multimodal flagship preview; weights are announced for release on 15 October 2026.
Observed 4 Oct 2026
Specification
What the provider publishes
- Provider
- StepFun · home jurisdiction CN
- Context window
- 1,000,000 tokens
- Input rate
- Unverified per million tokens
- Output rate
- Unverified per million tokens
- Modalities
- Text · Image · Video
- Tool calling
- Yes
- Structured output
- Yes
- Open weights
- No
- Released
- 2026-09-20
Endpoints
Serving deployments
Each row is a separate deployment. The same weights on different infrastructure have different legal positions, so each deployment gets its own entry.
| Cloud | Region | Location | Jurisdiction | In provider home | Operated by |
|---|---|---|---|---|---|
| StepFun Open Platform | unverified | undisclosed | Unverified | No | - |
| unverified | ap-east-1 | Hong Kong | HK | Yes | unverified |
Enforcement
What happens to a jurisdiction-bound request
This is the routing result for this entry, computed from the endpoints above. The router applies the same rule at request time.
No endpoints found supporting your data region (JP).
The provider publishes no serving region, so no endpoint can be verified as resident. The request is refused.
APPI
No endpoints found supporting your data region (KR).
The provider publishes no serving region, so no endpoint can be verified as resident. The request is refused.
PIPA
No endpoints found supporting your data region (SG).
The provider publishes no serving region, so no endpoint can be verified as resident. The request is refused.
PDPA
No endpoints found supporting your data region (MY).
The provider publishes no serving region, so no endpoint can be verified as resident. The request is refused.
PDPA
Routed to unverified in ap-east-1.
Served from ap-east-1.
PDPO
No endpoints found supporting your data region (TW).
The provider publishes no serving region, so no endpoint can be verified as resident. The request is refused.
PDPA
No endpoints found supporting your data region (CN).
The provider publishes no serving region, so no endpoint can be verified as resident. The request is refused.
PIPL
Region data describes documented law and observed infrastructure. It is not legal advice; your local-law obligations remain yours.
Recorded caveats
Verification caveats
Caveat 01
The provider publishes RMB rates but no authoritative USD tariff, so USD prices stay unverified rather than being converted.
Caveat 02
Cloud and region mapping is unpublished.
Also from this provider
Other StepFun entries
| Model | Provider | Context | Input, per 1M | Regions | Residency |
|---|---|---|---|---|---|
| Step 3.7 Flash | StepFun | 256K | $0.2 | unverified · ap-east-1 | Unguaranteed |
| Step 3.5 Flash | StepFun | 256K | $0.1 | unverified · ap-east-1 | Unguaranteed |
Start