Z.ai: GLM Flash Latest vs Google: Gemini 3.5 Flash Lite
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-19.
| Z.ai: GLM Flash Latest | Google: Gemini 3.5 Flash Lite | |
|---|---|---|
| Vendor | ~z-ai | |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 31.8 |
| Input Price | $0.05/M | $0.30/M |
| Output Price | $0.20/M | $2.50/M |
| Context Window | 1,048,576 | 1,048,576 |
| Max Output | 943,718 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
| Benchmark Scores | ||
| ai_index | - | 36.6 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, GLM Flash Latest costs $0.098 and Gemini 3.5 Flash Lite costs $0.93, so GLM Flash Latest is about 9.4 times cheaper for the same work.
Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.
Only Gemini 3.5 Flash Lite offers audio input.
Across the 20 tasks where they differ, GLM Flash Latest scores higher on 2 (JSON Extraction, Bulk Data Labeling), Gemini 3.5 Flash Lite on 18 (SQL Generation, Code Review, Code Completion and others).
GLM Flash Latest was released in August 2026 and Gemini 3.5 Flash Lite in July 2026.
Pick GLM Flash Latest if you need lower cost; pick Gemini 3.5 Flash Lite if you need audio 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?
| Task | Z.ai: GLM Flash Latest | Google: Gemini 3.5 Flash Lite |
|---|---|---|
| SQL Generation | 134 | 138 |
| Code Review | 132 | 139 |
| Code Completion | 132 | 132 |
| Code Refactoring | 136 | 141 |
| Bug Fixing | 136 | 143 |
| Unit Test Generation | 124 | 128 |
| Code Documentation | 132 | 134 |
| Regex Writing | 120 | 123 |
| CI/CD Pipelines | 120 | 124 |
| Frontend Component Design | 122 | 126 |
| Data Analysis | 124 | 129 |
| CSV / Spreadsheet Cleanup | 134 | 135 |
| ETL Scripting | 128 | 133 |
| JSON Extraction | 132 | 131 |
| Bulk Data Labeling | 129 | 129 |
| OCR / Document Parsing | 131 | 132 |
| Table Extraction from PDFs | 131 | 132 |
| Long-Document Summarization | 138 | 143 |
| Short-Form Summarization | 124 | 125 |
| Blog Post Writing | 122 | 126 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →