head-to-head

Qwen: Qwen3.5-9B vs MoonshotAI: Kimi K2.5

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

Qwen: Qwen3.5-9B MoonshotAI: Kimi K2.5
Vendorqwenmoonshotai
Quality Score100100
Benchmark Score18.359.2
Input Price$0.10/M$0.45/M
Output Price$0.15/M$2.25/M
Context Window262,144262,144
Max Output32,768235,929
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index22.538.7
eqbench-72.5

Who wins by task?

TaskQwen: Qwen3.5-9BMoonshotAI: Kimi K2.5
SQL Generation 133 140
Code Review 130 142
Code Completion 129 131
Code Refactoring 131 143
Bug Fixing 134 146
Unit Test Generation 123 131
Code Documentation 128 135
Regex Writing 122 126
CI/CD Pipelines 119 127
Frontend Component Design 124 129
Data Analysis 127 134
CSV / Spreadsheet Cleanup 129 134
ETL Scripting 125 135
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 129 132
Table Extraction from PDFs 129 132
Long-Document Summarization 133 145
Short-Form Summarization 125 126
Blog Post Writing 121 128

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

Related comparisons

Anthropic: Claude Haiku Latest vs MoonshotAI: Kimi K2.5 Anthropic: Claude Haiku Latest vs Qwen: Qwen3.5-9B Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.5-9B Anthropic: Claude Sonnet Latest vs Qwen: Qwen3.5-9B ByteDance Seed: Seed-2.0-Lite vs Qwen: Qwen3.5-9B ByteDance Seed: Seed-2.0-Mini vs MoonshotAI: Kimi K2.5 Google: Gemini 3.1 Flash Lite vs Qwen: Qwen3.5-9B Google: Gemini 3.1 Pro Preview vs MoonshotAI: Kimi K2.5

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.