head-to-head

Qwen: Qwen3.8 Omni Flash vs Qwen: Qwen3.8 27B (free)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-04.

Qwen: Qwen3.8 Omni Flash Qwen: Qwen3.8 27B (free)
Vendorqwenqwen
Quality Score100100
Benchmark Score-55.6
Input Price$0.15/MFree
Output Price$0.47/MFree
Context Window1,000,000262,144
Max Output131,072235,929
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index-55.6

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.8 27B (free) costs $0 and Qwen3.8 Omni Flash costs $0.27, so Qwen3.8 27B (free) is free for the same work.

Qwen3.8 Omni Flash reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 393 pages for Qwen3.8 27B (free).

Only Qwen3.8 Omni Flash offers audio input.

Across the 18 tasks where they differ, Qwen3.8 Omni Flash scores higher on 3 (Code Completion, Code Documentation, CSV / Spreadsheet Cleanup), Qwen3.8 27B (free) on 15 (SQL Generation, Code Review, Code Refactoring and others).

Qwen3.8 Omni Flash was released in September 2026 and Qwen3.8 27B (free) in August 2026.

Pick Qwen3.8 Omni Flash if you need long documents or audio input; pick Qwen3.8 27B (free) if you need lower cost or 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: Qwen3.8 Omni FlashQwen: Qwen3.8 27B (free)
SQL Generation 133 137
Code Review 132 137
Code Completion 131 130
Code Refactoring 136 136
Bug Fixing 136 141
Unit Test Generation 124 127
Code Documentation 131 131
Regex Writing 119 125
CI/CD Pipelines 120 123
Frontend Component Design 122 128
Data Analysis 124 132
CSV / Spreadsheet Cleanup 133 130
ETL Scripting 128 130
JSON Extraction 131 132
Bulk Data Labeling 129 130
Long-Document Summarization 137 138
Short-Form Summarization 123 126
Blog Post Writing 121 125

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

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