Step 3.5 Flash 2603

[MODEL]

Step 3.5 Flash 2603

id: stepfun/step-3.5-flash-2603
family:
context: 256,000
modalities: text → text
release: 2026-04-02
reasoning tools vision structured temp open weights

Offerings

Provider Input Output Context Max out
NanoGPT
stepfun-ai/step-3.5-flash-2603
$0.10/M $0.30/M 256,000 256,000
routing.run
route/step-3.5-flash-2603
$0.10/M $0.30/M 262,144 65,536
StepFun
step-3.5-flash-2603
$0.10/M $0.30/M 256,000 256,000
StepFun AI
step-3.5-flash-2603
$0.10/M $0.30/M 256,000 256,000

Similar matches

These provider models look related but are not exact matches.

Provider Input Output Context Max out
Nvidia
stepfun-ai/step-3.5-flash
$0.00/M $0.00/M 256,000 16,384
OpenRouter
stepfun/step-3.5-flash
$0.09/M $0.30/M 262,144 16,384
Vercel AI Gateway
stepfun/step-3.5-flash
$0.09/M $0.30/M 262,114 262,114
routing.run
route/step-3.5-flash
$0.10/M $0.29/M 262,144 65,536
Hugging Face
stepfun-ai/Step-3.5-Flash
$0.10/M $0.30/M 262,144 256,000
Kilo Gateway
stepfun/step-3.5-flash
$0.10/M $0.30/M 256,000 256,000
StepFun
step-3.5-flash
$0.10/M $0.30/M 256,000 256,000
StepFun AI
step-3.5-flash
$0.10/M $0.30/M 256,000 256,000
ZenMux
stepfun/step-3.5-flash
$0.10/M $0.30/M 256,000 64,000
NanoGPT
stepfun-ai/step-3.5-flash
$0.20/M $0.50/M 256,000 256,000
ZenMux
stepfun/step-3
$0.21/M $0.57/M 65,536 64,000
NanoGPT
step-3
$0.25/M $0.65/M 65,536 8,192
Qiniu
stepfun/step-3.5-flash
64,000 4,096