StepFun: Step 3.7 Flash coding

openrouter
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...

Capabilities

Context Window 262k tokens
Max Output 256k tokens
Inputs
Outputs

Pricing (per 1M tokens)

Input $0.20
Output $1.15
Cache Read $0.04
Cache Write -

Supported Parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

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