OpenAI: GPT-6 Sol (batch) vs Xiaomi: MiMo-V2.6-Pro
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-27.
| OpenAI: GPT-6 Sol (batch) | Xiaomi: MiMo-V2.6-Pro | |
|---|---|---|
| Vendor | openai | xiaomi |
| Quality Score | 100 | 100 |
| Benchmark Score | 81.2 | 79.0 |
| Input Price | $1.00/M | $0.43/M |
| Output Price | $5.00/M | $0.87/M |
| Context Window | 1,050,000 | 1,050,000 |
| Max Output | 128,000 | 131,072 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
| Benchmark Scores | ||
| ai_index | 78.4 | 76.4 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, MiMo-V2.6-Pro costs $0.65 and GPT-6 Sol (batch) costs $2.25, so MiMo-V2.6-Pro is about 3.4 times cheaper for the same work.
Both read up to 1,050,000 tokens at once, roughly 1,575 pages of text.
Only MiMo-V2.6-Pro offers audio input and video input.
On our blended benchmark score GPT-6 Sol (batch) leads 81.2 to 79.0.
Across the 20 tasks where they differ, GPT-6 Sol (batch) scores higher on 10 (Code Review, Code Refactoring, Bug Fixing and others), MiMo-V2.6-Pro on 10 (SQL Generation, Code Completion, Code Documentation and others).
Pick GPT-6 Sol (batch) if you need benchmark performance; pick MiMo-V2.6-Pro if you need lower cost, audio input or video input.
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-6 Sol (batch) | Xiaomi: MiMo-V2.6-Pro |
|---|---|---|
| SQL Generation | 142 | 143 |
| Code Review | 146 | 146 |
| Code Completion | 120 | 133 |
| Code Refactoring | 148 | 148 |
| Bug Fixing | 150 | 150 |
| Unit Test Generation | 133 | 133 |
| Code Documentation | 137 | 138 |
| Regex Writing | 126 | 127 |
| CI/CD Pipelines | 129 | 129 |
| Frontend Component Design | 131 | 131 |
| Data Analysis | 135 | 135 |
| CSV / Spreadsheet Cleanup | 136 | 136 |
| ETL Scripting | 139 | 138 |
| JSON Extraction | 122 | 131 |
| Bulk Data Labeling | 120 | 129 |
| OCR / Document Parsing | 134 | 134 |
| Table Extraction from PDFs | 134 | 134 |
| Long-Document Summarization | 149 | 150 |
| Short-Form Summarization | 118 | 127 |
| Blog Post Writing | 130 | 131 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →