head-to-head

OpenAI: GPT-6 Luna Pro (batch) vs Qwen: Qwen3.8 Omni Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-13.

OpenAI: GPT-6 Luna Pro (batch) Qwen: Qwen3.8 Omni Flash
Vendoropenaiqwen
Quality Score100100
Input Price$0.05/M$0.15/M
Output Price$0.25/M$0.47/M
Context Window1,050,0001,000,000
Max Output128,000131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GPT-6 Luna Pro (batch) costs $0.11 and Qwen3.8 Omni Flash costs $0.27, so GPT-6 Luna Pro (batch) is about 2.4 times cheaper for the same work.

Both take in a similar amount of text: 1,050,000 and 1,000,000 tokens, about 1,575 and 1,500 pages.

Only Qwen3.8 Omni Flash offers audio input and video input.

Across the 5 tasks where they differ, GPT-6 Luna Pro (batch) scores higher on 5 (SQL Generation, CSV / Spreadsheet Cleanup, Bulk Data Labeling and others).

Pick GPT-6 Luna Pro (batch) if you need lower cost or the stronger all-round task scores; pick Qwen3.8 Omni Flash if you need audio input or video input.

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?

TaskOpenAI: GPT-6 Luna Pro (batch)Qwen: Qwen3.8 Omni Flash
SQL Generation 134 133
CSV / Spreadsheet Cleanup 134 133
Bulk Data Labeling 129 129
Long-Document Summarization 138 137
Blog Post Writing 122 121

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

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