head-to-head

Qwen: Qwen3.5 Plus 2026-04-20 vs Qwen: Qwen3.5-122B-A10B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

Qwen: Qwen3.5 Plus 2026-04-20 Qwen: Qwen3.5-122B-A10B
Vendorqwenqwen
Quality Score100100
Benchmark Score-54.9
Input Price$0.30/M$0.26/M
Output Price$1.80/M$2.08/M
Context Window1,000,000262,144
Max Output65,53665,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-53.3
ai_index_agentic-34.2
ai_index_coding-75.4

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.5 Plus 2026-04-20 costs $0.75 and Qwen3.5-122B-A10B costs $0.78, so Qwen3.5 Plus 2026-04-20 is slightly cheaper for the same work.

Qwen3.5 Plus 2026-04-20 reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 393 pages for Qwen3.5-122B-A10B.

Across the 20 tasks where they differ, Qwen3.5 Plus 2026-04-20 scores higher on 1 (Code Completion), Qwen3.5-122B-A10B on 19 (SQL Generation, Code Review, Code Refactoring and others).

Qwen3.5 Plus 2026-04-20 was released in April 2026 and Qwen3.5-122B-A10B in February 2026.

Pick Qwen3.5 Plus 2026-04-20 if you need lower cost or long documents; pick Qwen3.5-122B-A10B if you need the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskQwen: Qwen3.5 Plus 2026-04-20Qwen: Qwen3.5-122B-A10B
SQL Generation 133 155
Code Review 132 148
Code Completion 131 129
Code Refactoring 136 145
Bug Fixing 136 156
Unit Test Generation 124 140
Code Documentation 131 133
Regex Writing 119 129
CI/CD Pipelines 120 132
Frontend Component Design 122 137
Data Analysis 124 152
CSV / Spreadsheet Cleanup 133 142
ETL Scripting 128 139
JSON Extraction 131 143
Bulk Data Labeling 129 133
OCR / Document Parsing 131 139
Table Extraction from PDFs 131 139
Long-Document Summarization 137 143
Short-Form Summarization 123 128
Blog Post Writing 121 130

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

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