New🔥Step 3.7 Flash

StepFun API model specs with normalized input price, output price, context window, sample workload cost, and related comparisons.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget brief

Step 3.7 Flash is estimated at $0.77 for the standard workload.

Step 3.7 Flash is best suited for teams comparing popular models. A 1M input token plus 500K output token workload is estimated at $0.77.

Input price$0.2per 1M tokens
Output price$1.15per 1M tokens
Context window256Kreported maximum
Popularity#11121.1B tokens signal volume

Use this as a first-pass planning estimate, then verify provider limits, routing, discounts, and availability before production deployment.

Model Specs
ProviderStepFun
Model IDstepfun/step-3.7-flash
Prompt Price
per 1M tokens
$0.2
Completion Price
per 1M tokens
$1.15
Sample Workload Cost
1M input + 500K output
$0.77
Context Window256K
Release Date
Popularity#11
Popularity Signal121.1B tokens

Estimate your workload cost

Estimate this model for your workload

Prices are normalized to USD per 1M tokens.
Step 3.7 Flash Calculating… Estimated monthly API cost
Unit prices $0.2 input / $1.15 output Per 1M tokens

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Alternative path

Alternative Shortlist

Open model finder

Use these rows to build a test shortlist around Step 3.7 Flash. Lower cost, same-provider fit, and larger context are separate decisions, so each group is ranked by a different signal.

Lower-cost alternatives

Cross-provider candidates with a lower standard 1M input plus 500K output estimate.

ModelProviderSample CostContextWhy it is hereNext Step
🔥Owl AlphaOpenRouter$01.05MLower standard workload estimate from another provider.Open model Compare
New🔥Nemotron 3 Ultra (free)NVIDIA$01MLower standard workload estimate from another provider.Open model Compare
🔥Laguna M.1 (free)Poolside$0262.14KLower standard workload estimate from another provider.Open model Compare
Nemotron 3 Super (free)NVIDIA$01MLower standard workload estimate from another provider.Open model Compare

Same-provider swaps

Lower-cost options from the same provider, useful when account setup or procurement is already fixed.

ModelProviderSample CostContextWhy it is hereNext Step
Step 3.5 FlashStepFun$0.24262.14KSame provider with a lower standard workload estimate.Open model Compare

Larger-context upgrades near this budget

Models with more context that stay within a close sample-cost band when price data is available.

ModelProviderSample CostContextWhy it is hereNext Step
Llama 4 ScoutMeta$0.2510MMore context while staying near this model's sample-cost band.Open model Compare
🔥Owl AlphaOpenRouter$01.05MMore context while staying near this model's sample-cost band.Open model Compare
🔥DeepSeek V4 FlashDeepSeek$0.181.05MMore context while staying near this model's sample-cost band.Open model Compare
🔥MiMo-V2.5Xiaomi$0.281.05MMore context while staying near this model's sample-cost band.Open model Compare
Model Introduction

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...

Best Fit

Step 3.7 Flash is best suited for teams comparing popular models.

Cost Example

A 1M input token plus 500K output token workload is estimated at $0.77.

Decision Shortcuts

Compare this model

Search head-to-head pages that include Step 3.7 Flash and review input price, output price, context, and sample workload cost.

Find comparisons

StepFun catalog

See other StepFun models before narrowing your shortlist.

Open provider hub

Cheaper alternatives

Start from models sorted by a standard cost estimate when budget is the first constraint.

Browse low-cost models

High-Interest Comparisons

Search this model
ComparisonCost-first PickContext Pick
No high-interest comparison is currently available for this model.

Popular Comparisons

Search all comparisons
ComparisonNewest Release
🔥Claude Opus 4.7 vs New🔥Step 3.7 Flash
🔥Claude Sonnet 4.6 vs New🔥Step 3.7 Flash
🔥DeepSeek V3.2 vs New🔥Step 3.7 Flash
🔥DeepSeek V4 Flash vs New🔥Step 3.7 Flash
🔥DeepSeek V4 Pro vs New🔥Step 3.7 Flash
🔥Gemini 3 Flash Preview vs New🔥Step 3.7 Flash
🔥Hy3 preview vs New🔥Step 3.7 Flash
🔥MiMo-V2.5 vs New🔥Step 3.7 Flash
New🔥MiniMax M3 vs New🔥Step 3.7 Flash
🔥Owl Alpha vs New🔥Step 3.7 Flash