Z.ai: GLM 5.3 FlashX Legal vs MiniMax: MiniMax M3.1 Flash
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-02.
| Z.ai: GLM 5.3 FlashX Legal | MiniMax: MiniMax M3.1 Flash | |
|---|---|---|
| Vendor | z-ai | minimax |
| Quality Score | 100 | 100 |
| Input Price | $0.37/M | $0.15/M |
| Output Price | $1.25/M | $0.60/M |
| Context Window | 1,048,576 | 1,048,576 |
| Max Output | 131,072 | 524,288 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, MiniMax M3.1 Flash costs $0.30 and GLM 5.3 FlashX Legal costs $0.68, so MiniMax M3.1 Flash is about 2.3 times cheaper for the same work.
Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.
Across the 10 tasks where they differ, MiniMax M3.1 Flash on 10 (SQL Generation, Code Completion, Code Documentation and others).
GLM 5.3 FlashX Legal was released in November 2026 and MiniMax M3.1 Flash in October 2026.
Pick MiniMax M3.1 Flash if you need lower cost 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 | Z.ai: GLM 5.3 FlashX Legal | MiniMax: MiniMax M3.1 Flash |
|---|---|---|
| SQL Generation | 133 | 133 |
| Code Completion | 131 | 131 |
| Code Documentation | 131 | 131 |
| Regex Writing | 119 | 119 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| Long-Document Summarization | 137 | 137 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →