head-to-head

Sakana: Fugu Max vs Z.ai: GLM 5.3 Flash (batch)

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

Sakana: Fugu Max Z.ai: GLM 5.3 Flash (batch)
Vendorsakanaz-ai
Quality Score100100
Benchmark Score-70.6
Input Price$2.00/M$0.06/M
Output Price$6.00/M$0.20/M
Context Window1,000,0001,048,576
Max Output128,000131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-69.0

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GLM 5.3 Flash (batch) costs $0.11 and Fugu Max costs $3.50, so GLM 5.3 Flash (batch) is about 31.8 times cheaper for the same work.

Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.

Only GLM 5.3 Flash (batch) offers video input.

Across the 20 tasks where they differ, GLM 5.3 Flash (batch) on 20 (SQL Generation, Code Review, Code Completion and others).

Fugu Max was released in September 2026 and GLM 5.3 Flash (batch) in August 2026.

Pick GLM 5.3 Flash (batch) if you need lower cost, 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?

TaskSakana: Fugu MaxZ.ai: GLM 5.3 Flash (batch)
SQL Generation 133 142
Code Review 132 145
Code Completion 118 133
Code Refactoring 136 147
Bug Fixing 136 149
Unit Test Generation 124 132
Code Documentation 130 138
Regex Writing 118 126
CI/CD Pipelines 120 128
Frontend Component Design 122 130
Data Analysis 124 134
CSV / Spreadsheet Cleanup 133 136
ETL Scripting 128 137
JSON Extraction 122 131
Bulk Data Labeling 119 129
OCR / Document Parsing 131 134
Table Extraction from PDFs 131 134
Long-Document Summarization 137 149
Short-Form Summarization 114 127
Blog Post Writing 121 130

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

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