Kilo Gateway

Step 3.7 Flash

Name: Step 3.7 Flash
Brand: Kilo Gateway

Canonical ID: kilo/stepfun/step-3.7-flash

More Kilo Gateway models More step-3.7-flash family models

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...

Reasoning: Yes Tool use: Yes Open weights

Overview

text image video

Provider: Kilo Gateway
Family: step-3.7-flash
Release date: 2026-05-29
Last updated: 2026-05-29
Input modalities: text, image, video
Output modalities: text

Pricing and Limits

Token pricing

Input: $0.2/1M
Output: $1.15/1M
Cached input: N/A

Context and output

Context window: 256,000
Max output tokens: 230,400
Qualified ID: kilo/stepfun/step-3.7-flash

Model Summary

Step 3.7 Flash is a model listing in the Kilo Gateway provider catalog. It is categorized under the step-3.7-flash family.

The model supports text, image, video modalities across input/output paths. Reported context capacity is 256,000. Pricing is listed at $0.2/1M input and $1.15/1M output.

Same Family: step-3.7-flash

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Step 3.7 Flash llmgateway/step-3.7-flash	DevPass (LLM Gateway)	262,144	$0.2/1M	$1.15/1M	Reasoning Tools
Step 3.7 Flash novita-ai/stepfun/step-3.7-flash	Novita AI	262,144	$0.2/1M	$1.15/1M	Reasoning Tools
Step 3.7 Flash ambient/stepfun/step-3.7-flash	Ambient	262,144	$0.19/1M	$1.14/1M	Reasoning Tools
Step 3.7 Flash stepfun-ai/step-3.7-flash	StepFun (Global)	256,000	$0.185/1M	$1.11/1M	Reasoning Tools
Step 3.7 Flash aihubmix/step-3.7-flash	AIHubMix	256,000	$0.22/1M	$1.32/1M	Reasoning Tools
Step 3.7 Flash deepinfra/stepfun-ai/Step-3.7-Flash	Deep Infra	262,144	$0.2/1M	$1.15/1M	Reasoning Tools
Step 3.7 Flash huggingface/stepfun-ai/Step-3.7-Flash	Hugging Face	262,144	$0.2/1M	$1.15/1M	Reasoning Tools
Step 3.7 Flash openrouter/stepfun/step-3.7-flash	OpenRouter	262,144	$0.2/1M	$1.15/1M	Reasoning Tools
Step 3.7 Flash nvidia/stepfun-ai/step-3.7-flash	Nvidia	256,000	$0/1M	$0/1M	Reasoning Tools
Step 3.7 Flash stepfun-step-plan/step-3.7-flash	StepFun Step Plan (China)	256,000	N/A	N/A	Reasoning Tools

Step 3.7 Flash

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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Same Family: step-3.7-flash