head-to-head

Qwen: Qwen3.5-9B vs ByteDance Seed: Seed-2.0-Mini

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

Qwen: Qwen3.5-9B ByteDance Seed: Seed-2.0-Mini
Vendorqwenbytedance-seed
Quality Score100100
Benchmark Score18.3-
Input Price$0.10/M$0.10/M
Output Price$0.15/M$0.40/M
Context Window262,144262,144
Max Output32,768131,072
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index22.5-

Who wins by task?

TaskQwen: Qwen3.5-9BByteDance Seed: Seed-2.0-Mini
SQL Generation 133 131
Code Review 130 126
Code Completion 129 129
Code Refactoring 131 127
Bug Fixing 134 130
Unit Test Generation 123 121
Code Documentation 128 126
Regex Writing 122 119
CI/CD Pipelines 119 117
Frontend Component Design 124 122
Data Analysis 127 124
CSV / Spreadsheet Cleanup 129 128
ETL Scripting 125 122
Bulk Data Labeling 129 129
OCR / Document Parsing 129 128
Table Extraction from PDFs 129 128
Long-Document Summarization 133 129
Short-Form Summarization 125 123
Blog Post Writing 121 119

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

Related comparisons

Anthropic: Claude Haiku Latest vs ByteDance Seed: Seed-2.0-Mini Anthropic: Claude Haiku Latest vs Qwen: Qwen3.5-9B Anthropic: Claude Sonnet 5 vs ByteDance Seed: Seed-2.0-Mini Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.5-9B Anthropic: Claude Sonnet Latest vs ByteDance Seed: Seed-2.0-Mini Anthropic: Claude Sonnet Latest vs Qwen: Qwen3.5-9B ByteDance Seed: Seed-2.0-Lite vs ByteDance Seed: Seed-2.0-Mini ByteDance Seed: Seed-2.0-Lite vs Qwen: Qwen3.5-9B

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.