head-to-head

OpenAI: GPT-6 Luna Pro vs OpenAI: GPT Terra Latest

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

OpenAI: GPT-6 Luna Pro OpenAI: GPT Terra Latest
Vendoropenai~openai
Quality Score100100
Input Price$0.10/M$2.00/M
Output Price$0.50/M$12.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskOpenAI: GPT-6 Luna ProOpenAI: GPT Terra Latest
SQL Generation 133 132
Code Completion 131 117
Code Documentation 131 129
Regex Writing 119 117
CSV / Spreadsheet Cleanup 133 132
JSON Extraction 131 121
Bulk Data Labeling 129 117
Long-Document Summarization 137 136
Short-Form Summarization 123 113
Blog Post Writing 121 120

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

Related comparisons

Cohere: Command A+ vs OpenAI: GPT-6 Luna Pro Cohere: Command A+ vs OpenAI: GPT Terra Latest OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Luna Pro (batch) OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Luna OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Luna (batch) OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Sol Pro OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Sol Pro (batch) OpenAI: GPT-6 Luna Pro vs OpenAI: GPT-6 Sol

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.