picksbymodel Get API access →
head-to-head

StepFun: Step 3.7 Flash vs ByteDance Seed: Seed-2.0-Lite

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

StepFun: Step 3.7 Flash ByteDance Seed: Seed-2.0-Lite
Vendorstepfunbytedance-seed
Quality Score100100
Benchmark Score29.1-
Input Price$0.20/M$0.25/M
Output Price$1.15/M$2.00/M
Context Window262,144262,144
Max Output230,400131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index32.1-

Who wins by task?

TaskStepFun: Step 3.7 FlashByteDance Seed: Seed-2.0-Lite
SQL Generation 135 131
Code Review 132 126
Code Completion 129 128
Code Refactoring 132 127
Bug Fixing 136 130
Unit Test Generation 125 121
Code Documentation 129 126
Regex Writing 122 119
CI/CD Pipelines 121 117
Frontend Component Design 125 122
Data Analysis 128 124
CSV / Spreadsheet Cleanup 129 128
ETL Scripting 127 122
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 129 128
Table Extraction from PDFs 129 128
Long-Document Summarization 134 129
Short-Form Summarization 125 123
Blog Post Writing 123 119

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

Anthropic: Claude Haiku Latest vs ByteDance Seed: Seed-2.0-Lite Anthropic: Claude Sonnet 5 vs ByteDance Seed: Seed-2.0-Lite Anthropic: Claude Sonnet 5 vs StepFun: Step 3.7 Flash Anthropic: Claude Sonnet Latest vs ByteDance Seed: Seed-2.0-Lite ByteDance Seed: Seed-2.0-Code vs StepFun: Step 3.7 Flash ByteDance Seed: Seed-2.0-Lite vs Anthropic: Claude Sonnet 4.6 ByteDance Seed: Seed-2.0-Lite vs ByteDance Seed: Seed-2.0-Mini ByteDance Seed: Seed-2.0-Lite vs Google: Gemini 3.1 Flash Lite Preview

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.