Question 1

What is the cost of Step 3.5 Flash by StepFun Step Plan (China)?

Accepted Answer

Step 3.5 Flash by StepFun Step Plan (China) costs Free per 1M input tokens and Free per 1M output tokens.

Question 2

What is the context window of Step 3.5 Flash by StepFun Step Plan (China)?

Accepted Answer

Step 3.5 Flash by StepFun Step Plan (China) has a context window of 256K tokens. It supports up to 256K input tokens and can generate up to 256K output tokens.

Question 3

What are the capabilities of Step 3.5 Flash by StepFun Step Plan (China)?

Accepted Answer

Step 3.5 Flash by StepFun Step Plan (China) supports advanced reasoning, tool calling/function calling, adjustable temperature. It has open weights.

Question 4

What input and output types does Step 3.5 Flash support?

Accepted Answer

Step 3.5 Flash by StepFun Step Plan (China) accepts text as input and can generate text as output.

Question 5

Does Step 3.5 Flash by StepFun Step Plan (China) support reasoning?

Accepted Answer

Yes, Step 3.5 Flash by StepFun Step Plan (China) supports advanced reasoning capabilities.

Question 6

Is Step 3.5 Flash by StepFun Step Plan (China) open source?

Accepted Answer

Yes, Step 3.5 Flash by StepFun Step Plan (China) has open weights, meaning the model weights are publicly available for download and self-hosting.

Question 7

Does Step 3.5 Flash support function calling?

Accepted Answer

Yes, Step 3.5 Flash by StepFun Step Plan (China) supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

Question 8

What is the knowledge cutoff date for Step 3.5 Flash?

Accepted Answer

Step 3.5 Flash by StepFun Step Plan (China) has a knowledge cutoff date of 2025-01. This means the model was trained on data available up until that date.

Step 3.5 Flash API

Input Modalities

Output Modalities

Standard (per 1M tokens)