head-to-head

PrismML: Ternary Bonsai 2 27B vs Z.ai: GLM Flash Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-04.

PrismML: Ternary Bonsai 2 27B Z.ai: GLM Flash Latest
Vendorprism-ml~z-ai
Quality Score100100
Input Price$0.07/M$0.03/M
Output Price$0.50/M$0.50/M
Context Window262,1441,048,576
Max Output32,768131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GLM Flash Latest costs $0.16 and Ternary Bonsai 2 27B costs $0.20, so GLM Flash Latest is about 1.3 times cheaper for the same work.

GLM Flash Latest reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Ternary Bonsai 2 27B.

Only GLM Flash Latest offers video input.

Across the 14 tasks where they differ, GLM Flash Latest on 14 (SQL Generation, Code Review, Code Completion and others).

Ternary Bonsai 2 27B was released in September 2026 and GLM Flash Latest in August 2026.

Pick GLM Flash Latest if you need lower cost, long documents, 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?

TaskPrismML: Ternary Bonsai 2 27BZ.ai: GLM Flash Latest
SQL Generation 131 133
Code Review 126 132
Code Completion 129 131
Code Refactoring 127 136
Bug Fixing 130 136
Unit Test Generation 121 124
Code Documentation 126 131
CI/CD Pipelines 117 120
CSV / Spreadsheet Cleanup 128 133
ETL Scripting 122 128
OCR / Document Parsing 128 131
Table Extraction from PDFs 128 131
Long-Document Summarization 129 137
Blog Post Writing 119 121

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

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