head-to-head

OpenAI: GPT Mini Latest vs Z.ai: GLM 5V Turbo

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

OpenAI: GPT Mini Latest Z.ai: GLM 5V Turbo
Vendor~openaiz-ai
Quality Score100100
Benchmark Score-56.8
Input Price$0.75/M$1.20/M
Output Price$4.50/M$4.00/M
Context Window400,000202,752
Max Output128,000131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-56.9

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GPT Mini Latest costs $1.88 and GLM 5V Turbo costs $2.20, so GPT Mini Latest is slightly cheaper for the same work.

GPT Mini Latest reads up to 400,000 tokens at once, roughly 600 pages of text, against about 304 pages for GLM 5V Turbo.

Only GLM 5V Turbo offers video input.

Across the 20 tasks where they differ, GPT Mini Latest scores higher on 10 (Code Completion, Code Refactoring, Code Documentation and others), GLM 5V Turbo on 10 (SQL Generation, Code Review, Bug Fixing and others).

Pick GPT Mini Latest if you need lower cost or long documents; pick GLM 5V Turbo if you need 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?

TaskOpenAI: GPT Mini LatestZ.ai: GLM 5V Turbo
SQL Generation 133 136
Code Review 132 134
Code Completion 130 116
Code Refactoring 136 133
Bug Fixing 136 138
Unit Test Generation 124 126
Code Documentation 130 128
Regex Writing 119 124
CI/CD Pipelines 120 122
Frontend Component Design 122 128
Data Analysis 124 132
CSV / Spreadsheet Cleanup 133 127
ETL Scripting 128 128
JSON Extraction 130 123
Bulk Data Labeling 128 120
OCR / Document Parsing 131 129
Table Extraction from PDFs 131 129
Long-Document Summarization 137 134
Short-Form Summarization 123 117
Blog Post Writing 121 124

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

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