OpenRouter
Primary
Total 91/100 · Cost 100 · Avail 100 · Integrity 100
主路：；价格处于同模型低位；近期可用性证据较好；协议/检测证据较充分；风险标记：missing_price_source。
Input $0.1000/M, Output $0.3000/M
step-3.5-flash Price Comparison
Input Price Range
$0.0960 ~ $75.0000/M
Output Price Range
$0.2880 ~ $75.0000/M
Input Price Avg
$30.0584/M
Price Spread
781.2x
AI API Routing Candidates
Based on pricing, protocol evidence, availability, model coverage, and risk signals, the candidate providers for step-3.5-flash are classified as primary, fallback, watch, or avoid. This page provides routing intelligence only — we do not host API keys or forward real requests.
MuskAPI
Fallback
Total 72/100 · Cost 100 · Avail 35 · Integrity 100
备路：；价格处于同模型低位；协议/检测证据较充分；风险标记：low_detection_sample。
Input $0.0960/M, Output $0.2880/M
Qinzhiai
Fallback
Total 71/100 · Cost 30 · Avail 100 · Integrity 85
备路：；价格优势不明显；近期可用性证据较好；协议/检测证据较充分。
Input $75.0000/M, Output $75.0000/M
fishxcode.com
Watch
Total 54/100 · Cost 100 · Avail 35 · Integrity 25
观察：；价格处于同模型低位；协议证据不足；风险标记：low_detection_sample。
Input $0.0960/M, Output $0.2880/M
subrouter.ai
Watch
Total 37/100 · Cost 30 · Avail 35 · Integrity 25
观察：；价格优势不明显；协议证据不足；风险标记：low_detection_sample。
Input $75.0000/M, Output $75.0000/M
Test endpoint:
/api/router/candidates?model=step-3.5-flash. Fields include cost / integrity / availability / coverage / risk evidence.
Turn candidates into executable config:
Router Config Lab →
Generate LiteLLM / OpenRouter / Cloudflare AI Gateway / Portkey routing drafts with env placeholders — no keys stored.
📊 Price Comparison Across Relays
| Relay | Raw Model ID | Input /M | Output /M | Cache /M | Source / Time | Details |
|---|---|---|---|---|---|---|
| fishxcode.com | step-3.5-flash |
$0.0960 | $0.2880 | $0.0190 |
https://fishxcode.com/api/pricing |
View → |
| MuskAPI | step-3.5-flash |
$0.0960 | $0.2880 | — |
https://api.muskapi.cc/api/pricing |
View → |
| OpenRouter | step-3.5-flash |
$0.1000 | $0.3000 | — |
No source |
View → |
| subrouter.ai | stepfun/step-3.5-flash |
$75.0000 | $75.0000 | — |
https://subrouter.ai/api/pricing |
View → |
| Qinzhiai | stepfun-ai/Step-3.5-Flash |
$75.0000 | $75.0000 | — |
https://qinzhiai.com/api/pricing |
View → |
🔗 Aliases for this model (2)
Different relays use different names for the same model. The aliases below all point to step-3.5-flash. Visiting /en/prices/{alias} redirects here.
Step-3.5-Flashstepfun/step-3.5-flash
📈 Price History Trend (30 days)
Window 2026-08-14 → 2026-09-13 · 27 sample days · Min input price ↑ 37.1%
Source: price_history_snapshot · daily cron tools_dev/cron_scripts/price_snapshot_daily.py · cross-relay aggregated input price distribution