ByteDance Seed: Seed 2.1 Turbo vs ByteDance Seed: Seed-2.0-Code
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-28.
| ByteDance Seed: Seed 2.1 Turbo | ByteDance Seed: Seed-2.0-Code | |
|---|---|---|
| Vendor | bytedance-seed | bytedance-seed |
| Quality Score | 100 | 100 |
| Input Price | $0.50/M | $0.50/M |
| Output Price | $2.50/M | $3.00/M |
| Context Window | 262,144 | 262,144 |
| Max Output | 235,929 | 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, Seed 2.1 Turbo costs $1.12 and Seed-2.0-Code costs $1.25, so Seed 2.1 Turbo is slightly cheaper for the same work.
Both read up to 262,144 tokens at once, roughly 393 pages of text.
Across the 7 tasks where they differ, Seed 2.1 Turbo scores higher on 7 (Code Completion, Code Documentation, Regex Writing and others).
Pick Seed 2.1 Turbo if you need lower cost 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 | ByteDance Seed: Seed 2.1 Turbo | ByteDance Seed: Seed-2.0-Code |
|---|---|---|
| Code Completion | 128 | 128 |
| Code Documentation | 125 | 125 |
| Regex Writing | 119 | 119 |
| CSV / Spreadsheet Cleanup | 128 | 128 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 128 |
| Short-Form Summarization | 123 | 123 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →