ByteDance Seed Seed 1.6 vs DeepSeek V4 Pro 0813
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Seed 1.6 is 1.4× cheaper at a typical mix of 3 input tokens per output token.
- DeepSeek V4 Pro 0813 accepts longer prompts: 1M vs 262K tokens.
- DeepSeek V4 Pro 0813 output costs $0.80 per 1M via Sail Research, against the list price of $1.98.
- DeepSeek V4 Pro 0813 is the newer model (released 2026-08-12).
| Seed 1.6 | DeepSeek V4 Pro 0813 | |
|---|---|---|
| Vendor | ByteDance Seed | DeepSeek |
| Released | 2025-12-23 | 2026-08-12 |
| Input / 1M | $0.25 | $0.66 |
| Output / 1M | $2.00 | $1.98 |
| Cached input / 1M | — | $0.022 |
| Blended / 1M (3:1) | $0.688 | $0.99 |
| Context | 262K | 1M |
| Max output | 33K | 393K |
| Accepts | text, image, video | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 26 |
| Cheapest provider, output | $2.00 | $0.80 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
Seed 1.6
$45.00 per month$1.50 per day
DeepSeek V4 Pro 0813
$69.30 per month$2.31 per day
Seed 1.6 saves $24.30 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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