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...
stepfun/step-3.7-flashStep 3.7 Flash is an API model from stepfun, released on May 28, 2026, with a context window of 262,144 tokens, pricing of $0.2 per million input tokens and $1.15 per million output tokens. It accepts image, text, video input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.0032.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
Step 3.7 Flash supports a context window of 262,144 tokens.
Step 3.7 Flash is listed at $0.2 per million input tokens and $1.15 per million output tokens on OpenRouter.
Step 3.7 Flash was published on May 28, 2026.
Step 3.7 Flash accepts image, text, video input and produces text output.