head-to-head

Meta: Muse Ember vs OpenAI: GPT-6 Luna

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-12.

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, both cost $0.23 at current list prices.

Both take in a similar amount of text: 1,048,576 and 1,050,000 tokens, about 1,573 and 1,575 pages.

Only Muse Ember offers audio input and video input.

On our blended benchmark score Muse Ember leads 56.7 to 42.4.

Across the 18 tasks where they differ, Muse Ember scores higher on 18 (SQL Generation, Code Review, Code Completion and others).

Muse Ember was released in November 2026 and GPT-6 Luna in September 2026.

Pick Muse Ember if you need audio input, video input, benchmark performance 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.

Task	Meta: Muse Ember	OpenAI: GPT-6 Luna
SQL Generation	141	139
Code Review	143	140
Code Completion	133	132
Code Refactoring	145	143
Bug Fixing	147	144
Unit Test Generation	131	129
Code Documentation	137	136
Regex Writing	125	124
CI/CD Pipelines	127	125
Frontend Component Design	129	127
Data Analysis	132	130
CSV / Spreadsheet Cleanup	136	135
ETL Scripting	136	134
OCR / Document Parsing	134	133
Table Extraction from PDFs	134	133
Long-Document Summarization	147	145
Short-Form Summarization	126	126
Blog Post Writing	129	127

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