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Models/stepfun/

Step-3.5-Flash

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Model Details

Step 3 5 Flash

Quick answer: Step 3 5 Flash is StepFun's Nov 2025 model scoring 74.4% SWE-Bench Verified. Proprietary. StepFun's Nov 2025 fast variant.

What Step 3 5 Flash Is

Step 3 5 Flash is StepFun's Nov 2025 release scoring 74.4% SWE-Bench Verified. StepFun's Nov 2025 fast variant.

Specifications

FieldValue
OrganizationStepFun
LicenseProprietary
Release dateNov 2025
ModalityText only

Public Benchmark Scores

BenchmarkScoreSourceDate
SWE-Bench Verified74.4%Benchgen evaluationNov-2025

Pricing

Available via API.

Step 3 5 Flash vs Alternatives

ModelSWE-Bench VerifiedLicense
Step 3 5 Flash74.4%Proprietary

Check the SWE-Bench Verified leaderboard for current comparisons.

Frequently Asked Questions

What is Step 3 5 Flash? StepFun's Nov 2025 model scoring 74.4% SWE-Bench Verified. Proprietary.

Scores from Benchgen evaluations. Last updated 2026-07-24.

Benchmark Leaderboards

This model isn’t on any benchmark leaderboard yet.