head-to-head

OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Luna Pro (batch)

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

OpenAI: GPT-6 Luna Pro OpenAI: GPT-6 Luna Pro (batch)
Vendoropenaiopenai
Quality Score100100
Input Price$0.10/M$0.05/M
Output Price$0.50/M$0.25/M
Context Window1,050,0001,050,000
Max Output128,000128,000
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 GPT-6 Luna Pro costs $0.23, so GPT-6 Luna Pro (batch) is about 2.0 times cheaper for the same work.

Both read up to 1,050,000 tokens at once, roughly 1,575 pages of text.

Across the 5 tasks where they differ, GPT-6 Luna Pro (batch) 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.

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 ProOpenAI: GPT-6 Luna Pro (batch)
SQL Generation 133 134
CSV / Spreadsheet Cleanup 133 134
Bulk Data Labeling 129 129
Long-Document Summarization 137 138
Blog Post Writing 121 122

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

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