DeepSeek R1 0528 vs Seed 2.1 Turbo: cost comparison
Prices updated 2026-10-28 · computed from live provider data
Short answer: DeepSeek R1 0528 is cheaper on a
3:1 input/output blend — $0.912 per million tokens versus
$1.00, a 9% difference.
Seed 2.1 Turbo offers the larger context window at 262,144 tokens, against 163,840 for DeepSeek R1 0528.
Head to head
| DeepSeek R1 0528 | Seed 2.1 Turbo | |
|---|---|---|
| Input, per 1M tokens | $0.500 | $0.500 |
| Output, per 1M tokens | $2.15 | $2.50 |
| Blended 3:1, per 1M | $0.912 | $1.00 |
| Context window | 163,840 | 262,144 |
| Vendor | deepseek | bytedance-seed |
Monthly cost at real volumes
| Workload (input / output) | DeepSeek R1 0528 | Seed 2.1 Turbo |
|---|---|---|
| 1M in / 250K out | $1.04 | $1.12 |
| 10M in / 2.5M out | $10.38 | $11.25 |
| 100M in / 25M out | $104 | $112 |
Which should you pick?
Pick Seed 2.1 Turbo when you need the longer context window (262,144 vs 163,840 tokens). Pick DeepSeek R1 0528 when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.