head-to-head

Thinking Machines: Inkling vs Z.ai: GLM 5V Turbo

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

Thinking Machines: Inkling Z.ai: GLM 5V Turbo
Vendorthinkingmachinesz-ai
Quality Score100100
Benchmark Score-56.8
Input Price$1.00/M$1.20/M
Output Price$4.05/M$4.00/M
Context Window524,288202,752
Max Output471,859131,072
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, Inkling costs $2.01 and GLM 5V Turbo costs $2.20, so Inkling is slightly cheaper for the same work.

Inkling reads up to 524,288 tokens at once, roughly 786 pages of text, against about 304 pages for GLM 5V Turbo.

Only Inkling offers audio input; only GLM 5V Turbo offers structured output and video input.

Across the 20 tasks where they differ, Inkling scores higher on 3 (Code Completion, Code Documentation, Long-Document Summarization), GLM 5V Turbo on 17 (SQL Generation, Code Review, Code Refactoring and others).

Inkling was released in July 2026 and GLM 5V Turbo in April 2026.

Pick Inkling if you need lower cost, long documents or audio input; pick GLM 5V Turbo if you need structured output, video input 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?

TaskThinking Machines: InklingZ.ai: GLM 5V Turbo
SQL Generation 125 136
Code Review 128 134
Code Completion 119 116
Code Refactoring 132 133
Bug Fixing 136 138
Unit Test Generation 116 126
Code Documentation 131 128
Regex Writing 119 124
CI/CD Pipelines 116 122
Frontend Component Design 118 128
Data Analysis 120 132
CSV / Spreadsheet Cleanup 121 127
ETL Scripting 124 128
JSON Extraction 111 123
Bulk Data Labeling 116 120
OCR / Document Parsing 123 129
Table Extraction from PDFs 123 129
Long-Document Summarization 137 134
Short-Form Summarization 115 117
Blog Post Writing 121 124

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

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