L LLM Directory AI Model Catalog
Hugging Face logo

Hugging Face

Step 3.5 Flash

Canonical ID: huggingface/stepfun-ai/Step-3.5-Flash

More Hugging Face models More step-3.5-flash family models

StepFun flash lane for quick multimodal reasoning and coding assistance

Reasoning: Yes Tool use: Yes Open weights

Overview

text
Provider
Hugging Face logo Hugging Face
Family
step-3.5-flash
Release date
2026-01-29
Last updated
2026-02-13
Input modalities
text
Output modalities
text

Pricing and Limits

Token pricing

Input
$0.1/1M
Output
$0.3/1M
Cached input
N/A
Currency: USD

Context and output

Context window
262,144
Max output tokens
256,000
Qualified ID
huggingface/stepfun-ai/Step-3.5-Flash

Model Summary

Step 3.5 Flash is a model listing in the Hugging Face provider catalog. It is categorized under the step-3.5-flash family.

The model supports text modalities across input/output paths. Reported context capacity is 262,144. Pricing is listed at $0.1/1M input and $0.3/1M output.

More From Hugging Face

Related models from the same provider catalog.

View all from Hugging Face
Hugging Face logo Hugging Face

AutoGLM Phone 9B Multilingual

huggingface/zai-org/AutoGLM-Phone-9B-Multilingual

Input
$0.035/1M
Context
65,536
Hugging Face logo Hugging Face

DeepSeek-R1

huggingface/deepseek-ai/DeepSeek-R1

Input
$0.7/1M
Context
64,000
Reasoning Tools
Hugging Face logo Hugging Face

DeepSeek-R1-0528

huggingface/deepseek-ai/DeepSeek-R1-0528

Input
$3/1M
Context
163,840
Reasoning Tools
Hugging Face logo Hugging Face

DeepSeek-V3

huggingface/deepseek-ai/DeepSeek-V3

Input
$0.4/1M
Context
64,000
Tools
Hugging Face logo Hugging Face

DeepSeek V3 0324

huggingface/deepseek-ai/DeepSeek-V3-0324

Input
$0.27/1M
Context
163,840
Tools
Hugging Face logo Hugging Face

DeepSeek-V3.1

huggingface/deepseek-ai/DeepSeek-V3.1

Input
$0.27/1M
Context
131,072
Reasoning Tools
Hugging Face logo Hugging Face

DeepSeek-V3.2

huggingface/deepseek-ai/DeepSeek-V3.2

Input
$0.28/1M
Context
163,840
Reasoning Tools
Hugging Face logo Hugging Face

DeepSeek V4.1 Flash

huggingface/deepseek-ai/DeepSeek-V4.1-Flash

Input
$0.3/1M
Context
1,048,576
Reasoning Tools

Same Family: step-3.5-flash

Comparable models in the same family across providers.

Browse family
Model Provider Context Input Output Flags
Step 3.5 Flash
stepfun/step-3.5-flash
StepFun logo StepFun
256,000 $0.096/1M $0.288/1M
Reasoning Tools
Step 3.5 Flash
stepfun-ai/step-3.5-flash
StepFun (Global) logo StepFun (Global)
256,000 $0.1/1M $0.3/1M
Reasoning Tools
Step 3.5 Flash
nano-gpt/stepfun-ai/step-3.5-flash
NanoGPT logo NanoGPT
262,144 $0.1/1M $0.3/1M
Reasoning
Step 3.5 Flash
stepfun-ai-step-plan/step-3.5-flash
StepFun Step Plan (Global) logo StepFun Step Plan (Global)
256,000 N/A N/A
Reasoning Tools
Step 3.5 Flash
stepfun-step-plan/step-3.5-flash
StepFun Step Plan (China) logo StepFun Step Plan (China)
256,000 N/A N/A
Reasoning Tools
Step 3.5 Flash
nvidia/stepfun-ai/step-3.5-flash
Nvidia logo Nvidia
256,000 $0/1M $0/1M
Reasoning Tools
Step 3.5 Flash 2603
nano-gpt/stepfun-ai/step-3.5-flash-2603
NanoGPT logo NanoGPT
262,144 $0.1/1M $0.3/1M
Reasoning
Step 3.5 Flash 2603
stepfun-step-plan/step-3.5-flash-2603
StepFun Step Plan (China) logo StepFun Step Plan (China)
256,000 N/A N/A
Reasoning Tools
Step 3.5 Flash 2603
stepfun-ai/step-3.5-flash-2603
StepFun (Global) logo StepFun (Global)
256,000 $0.1/1M $0.3/1M
Reasoning Tools
Step 3.5 Flash 2603
stepfun/step-3.5-flash-2603
StepFun logo StepFun
256,000 $0.1/1M $0.3/1M
Reasoning Tools