head-to-head

Z.ai: GLM 5V Turbo vs SpaceXAI: Grok 4.20

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

Z.ai: GLM 5V Turbo SpaceXAI: Grok 4.20
Vendorz-aix-ai
Quality Score100100
Benchmark Score36.750.6
Input Price$1.20/M$1.25/M
Output Price$4.00/M$2.50/M
Context Window202,7522,000,000
Max Output131,0721,800,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index38.842.3
eqbench-55.8

Who wins by task?

TaskZ.ai: GLM 5V TurboSpaceXAI: Grok 4.20
SQL Generation 134 142
Code Review 131 146
Code Completion 115 121
Code Refactoring 130 150
Bug Fixing 135 150
Unit Test Generation 124 133
Code Documentation 126 139
Regex Writing 122 125
CI/CD Pipelines 120 129
Frontend Component Design 126 129
Data Analysis 129 133
CSV / Spreadsheet Cleanup 127 138
ETL Scripting 125 139
JSON Extraction 123 123
Bulk Data Labeling 120 120
OCR / Document Parsing 129 134
Table Extraction from PDFs 129 134
Long-Document Summarization 131 151
Short-Form Summarization 116 118
Blog Post Writing 122 130

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

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