stepfun

StepFun: Step 3.5 Flash

Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....

Input Cost
$0.10
per 1M tokens
Output Cost
$0.30
per 1M tokens
Context Window
262,144
tokens
Compare vs GPT-4o
Developer ID: stepfun/step-3.5-flash

Related Models

stepfun
Free/1M

StepFun: Step 3.5 Flash (free)

Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse M...

📝 256,000 ctx Compare →
google
$0.13/1M

Google: Gemma 4 26B A4B

Gemma 4 26B A4B IT is an instruction-tuned Mixture-of-Experts (MoE) model from Google Deep...

📝 262,144 ctx Compare →
google
$0.14/1M

Google: Gemma 4 31B

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and...

📝 262,144 ctx Compare →