head-to-head

OpenAI: GPT-6 Sol vs Z.ai: GLM Flash Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-6 Sol Z.ai: GLM Flash Latest
Vendoropenai~z-ai
Quality Score100100
Benchmark Score81.2-
Input Price$2.00/M$0.07/M
Output Price$10.00/M$0.25/M
Context Window1,050,0001,310,720
Max Output128,000131,072
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index78.4-

Who wins by task?

TaskOpenAI: GPT-6 SolZ.ai: GLM Flash Latest
SQL Generation 142 134
Code Review 146 132
Code Completion 119 131
Code Refactoring 148 136
Bug Fixing 150 136
Unit Test Generation 133 124
Code Documentation 136 131
Regex Writing 125 119
CI/CD Pipelines 129 120
Frontend Component Design 131 122
Data Analysis 135 124
CSV / Spreadsheet Cleanup 135 134
ETL Scripting 139 128
JSON Extraction 121 131
Bulk Data Labeling 118 129
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 149 138
Short-Form Summarization 117 123
Blog Post Writing 130 122

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

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