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MiniMax: MiniMax M3 (batch) vs OpenAI: GPT-5.5 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-30.

MiniMax: MiniMax M3 (batch) OpenAI: GPT-5.5 (batch)
Vendorminimaxopenai
Quality Score100100
Benchmark Score77.292.6
Input Price$0.15/M$2.50/M
Output Price$0.60/M$15.00/M
Context Window524,2881,050,000
Max Output-128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index73.390.5
ai_index_agentic58.374.0
ai_index_coding96.6100.0
eqbench-82.4

Who wins by task?

TaskMiniMax: MiniMax M3 (batch)OpenAI: GPT-5.5 (batch)
SQL Generation 167 176
Code Review 162 177
Code Completion 133 120
Code Refactoring 160 175
Bug Fixing 173 190
Unit Test Generation 151 160
Code Documentation 142 147
Regex Writing 134 137
CI/CD Pipelines 141 150
Frontend Component Design 143 150
Data Analysis 164 175
CSV / Spreadsheet Cleanup 153 158
ETL Scripting 151 163
JSON Extraction 148 137
Bulk Data Labeling 135 122
OCR / Document Parsing 145 149
Table Extraction from PDFs 145 149
Long-Document Summarization 157 169
Short-Form Summarization 131 122
Blog Post Writing 138 145

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

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