OpenAI: GPT-5.6 Luna Pro (batch) vs MiniMax: MiniMax M3
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT-5.6 Luna Pro (batch) | MiniMax: MiniMax M3 | |
|---|---|---|
| Vendor | openai | minimax |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 78.0 |
| Input Price | $0.10/M | $0.30/M |
| Output Price | $0.60/M | $1.20/M |
| Context Window | 1,050,000 | 1,048,576 |
| Max Output | 128,000 | 512,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | - | 73.3 |
| ai_index_agentic | - | 58.3 |
| ai_index_coding | - | 96.6 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, GPT-5.6 Luna Pro (batch) costs $0.25 and MiniMax M3 costs $0.60, so GPT-5.6 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 1,048,576 tokens, about 1,575 and 1,573 pages.
Only MiniMax M3 offers video input.
Across the 20 tasks where they differ, MiniMax M3 on 20 (SQL Generation, Code Review, Code Completion and others).
GPT-5.6 Luna Pro (batch) was released in July 2026 and MiniMax M3 in May 2026.
Pick GPT-5.6 Luna Pro (batch) if you need lower cost; pick MiniMax M3 if you need video input 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?
| Task | OpenAI: GPT-5.6 Luna Pro (batch) | MiniMax: MiniMax M3 |
|---|---|---|
| SQL Generation | 133 | 167 |
| Code Review | 132 | 162 |
| Code Completion | 131 | 133 |
| Code Refactoring | 136 | 160 |
| Bug Fixing | 136 | 173 |
| Unit Test Generation | 124 | 151 |
| Code Documentation | 131 | 142 |
| Regex Writing | 119 | 134 |
| CI/CD Pipelines | 120 | 141 |
| Frontend Component Design | 122 | 143 |
| Data Analysis | 124 | 164 |
| CSV / Spreadsheet Cleanup | 133 | 153 |
| ETL Scripting | 128 | 151 |
| JSON Extraction | 131 | 147 |
| Bulk Data Labeling | 129 | 135 |
| OCR / Document Parsing | 131 | 145 |
| Table Extraction from PDFs | 131 | 145 |
| Long-Document Summarization | 137 | 156 |
| Short-Form Summarization | 123 | 131 |
| Blog Post Writing | 121 | 138 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →