head-to-head

Qwen: Qwen3.5-9B vs OpenAI: GPT-5.3-Codex

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

Qwen: Qwen3.5-9B OpenAI: GPT-5.3-Codex
Vendorqwenopenai
Quality Score100100
Benchmark Score18.353.3
Input Price$0.10/M$1.75/M
Output Price$0.15/M$14.00/M
Context Window262,144400,000
Max Output32,768128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index22.553.6

Who wins by task?

TaskQwen: Qwen3.5-9BOpenAI: GPT-5.3-Codex
SQL Generation 133 138
Code Review 130 142
Code Completion 129 117
Code Refactoring 131 144
Bug Fixing 134 146
Unit Test Generation 123 130
Code Documentation 128 133
CI/CD Pipelines 119 126
Frontend Component Design 124 128
Data Analysis 127 132
CSV / Spreadsheet Cleanup 129 134
ETL Scripting 125 135
JSON Extraction 131 120
Bulk Data Labeling 129 117
OCR / Document Parsing 129 133
Table Extraction from PDFs 129 133
Long-Document Summarization 133 145
Short-Form Summarization 125 115
Blog Post Writing 121 126

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

Related comparisons

Anthropic: Claude Haiku Latest vs OpenAI: GPT-5.3-Codex Anthropic: Claude Haiku Latest vs Qwen: Qwen3.5-9B Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.5-9B Anthropic: Claude Sonnet Latest vs OpenAI: GPT-5.3-Codex Anthropic: Claude Sonnet Latest vs Qwen: Qwen3.5-9B ByteDance Seed: Seed-2.0-Lite vs OpenAI: GPT-5.3-Codex ByteDance Seed: Seed-2.0-Lite vs Qwen: Qwen3.5-9B ByteDance Seed: Seed-2.0-Mini vs OpenAI: GPT-5.3-Codex

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.