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Z.ai: GLM Flash Latest vs SpaceXAI: Grok 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-04.

Z.ai: GLM Flash Latest SpaceXAI: Grok 4.6
Vendor~z-aix-ai
Quality Score100100
Benchmark Score-99.0
Input Price$0.07/M$2.00/M
Output Price$0.25/M$6.00/M
Context Window1,310,720500,000
Max Output943,718450,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-100.0
ai_index_agentic-96.8
ai_index_coding-100.0

Who wins by task?

TaskZ.ai: GLM Flash LatestSpaceXAI: Grok 4.6
SQL Generation 134 175
Code Review 132 171
Code Completion 131 120
Code Refactoring 136 167
Bug Fixing 136 187
Unit Test Generation 124 157
Code Documentation 131 144
Regex Writing 119 138
CI/CD Pipelines 120 147
Frontend Component Design 122 149
Data Analysis 124 177
CSV / Spreadsheet Cleanup 134 155
ETL Scripting 128 157
JSON Extraction 131 140
Bulk Data Labeling 129 125
OCR / Document Parsing 131 147
Table Extraction from PDFs 131 147
Long-Document Summarization 138 163
Short-Form Summarization 123 124
Blog Post Writing 122 143

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

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