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Stepfun 3.7 Flash

stepfun-3.7-flash
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Step 3.7 Flash is StepFun's 198B-parameter sparse mixture-of-experts vision-language model (about 11B active parameters) that delivers up to 400 tokens/sec with a 256K context and selectable reasoning depth, purpose-built for high-frequency production agentic workflows spanning perception, search, coding, and document reasoning.

TextVisionFree for paidFreemiumFreeMium MaxFreeMium UltraDiscount 80%
Overview

Best for

General assistanceWorkflowsMultimodal

Characteristics

MultimodalStreamingFast

Modalities

Text

Use cases

General AssistantMultimodal AssistantWorkflow Automation
Endpoint Compatibility

Anthropic

Yes

Chat Completions

Recommended

Responses Api

Yes

Specification

Provider

Step

Context Window

262K

Available Access

Free for paidFreemiumFreeMium MaxFreeMium Ultra
Pricing

Prices shown per 1M tokens.

Input

Rp. 724

$0.04 USD

Output

Rp. 4.164

$0.23 USD

Cache

Rp. 145

$0.01 USD

All prices are estimates and subject to change.

Capabilities
ReasoningCodingTool CallingVisionStructured OutputStreaming

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Stepfun 3.7 Flash | NaraRouter