Doubao Seed 2.1 Lite 260915 vs Qwen 3.5 122 B A10 B: cost comparison
Prices updated 2026-11-05 · computed from live provider data
Short answer: Doubao Seed 2.1 Lite 260915 is cheaper on a
3:1 input/output blend — $0.183 per million tokens versus
$0.316, a 42% difference.
Doubao Seed 2.1 Lite 260915 offers the larger context window at 1,024,000 tokens, against 258,048 for Qwen 3.5 122 B A10 B.
Head to head
| Doubao Seed 2.1 Lite 260915 | Qwen 3.5 122 B A10 B | |
|---|---|---|
| Input, per 1M tokens | $0.115 | $0.115 |
| Output, per 1M tokens | $0.388 | $0.917 |
| Blended 3:1, per 1M | $0.183 | $0.316 |
| Context window | 1,024,000 | 258,048 |
| Vendor | volcengine | empiriolabs |
Monthly cost at real volumes
| Workload (input / output) | Doubao Seed 2.1 Lite 260915 | Qwen 3.5 122 B A10 B |
|---|---|---|
| 1M in / 250K out | $0.212 | $0.344 |
| 10M in / 2.5M out | $2.12 | $3.44 |
| 100M in / 25M out | $21.20 | $34.42 |
Which should you pick?
Pick Doubao Seed 2.1 Lite 260915 when you need the longer context window (1,024,000 vs 258,048 tokens). Pick Doubao Seed 2.1 Lite 260915 when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.