Google: Gemini 3.1 Flash Lite vs ByteDance Seed: Seed-2.0-Lite
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemini 3.1 Flash Lite | ByteDance Seed: Seed-2.0-Lite | |
|---|---|---|
| Vendor | bytedance-seed | |
| Quality Score | 100 | 100 |
| Input Price | $0.25/M | $0.25/M |
| Output Price | $1.50/M | $2.00/M |
| Context Window | 1,048,576 | 262,144 |
| Max Output | 65,536 | 131,072 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Gemini 3.1 Flash Lite costs $0.62 and Seed-2.0-Lite costs $0.75, so Gemini 3.1 Flash Lite is about 1.2 times cheaper for the same work.
Gemini 3.1 Flash Lite reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Seed-2.0-Lite.
Only Gemini 3.1 Flash Lite offers audio input.
Across the 18 tasks where they differ, Gemini 3.1 Flash Lite scores higher on 18 (SQL Generation, Code Review, Code Completion and others).
Gemini 3.1 Flash Lite was released in May 2026 and Seed-2.0-Lite in March 2026.
Pick Gemini 3.1 Flash Lite if you need lower cost, long documents, 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 | Google: Gemini 3.1 Flash Lite | ByteDance Seed: Seed-2.0-Lite |
|---|---|---|
| SQL Generation | 133 | 131 |
| Code Review | 132 | 126 |
| Code Completion | 131 | 128 |
| Code Refactoring | 136 | 127 |
| Bug Fixing | 136 | 130 |
| Unit Test Generation | 124 | 121 |
| Code Documentation | 131 | 126 |
| Regex Writing | 119 | 119 |
| CI/CD Pipelines | 120 | 117 |
| CSV / Spreadsheet Cleanup | 133 | 128 |
| ETL Scripting | 128 | 122 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| OCR / Document Parsing | 131 | 128 |
| Table Extraction from PDFs | 131 | 128 |
| Long-Document Summarization | 137 | 129 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 121 | 119 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →