ByteDance Seed Seed 2.1 Turbo vs Moondream 3.1
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
- Moondream 3.1 is 1.2× cheaper at a typical mix of 3 input tokens per output token.
- Seed 2.1 Turbo accepts longer prompts: 262K vs 32K tokens.
- Seed 2.1 Turbo's best provider was more reliable over 24 h: 100% vs 98.1%.
- Moondream 3.1 is the newer model (released 2026-10-15).
| Seed 2.1 Turbo | Moondream 3.1 | |
|---|---|---|
| Vendor | ByteDance Seed | Moondream |
| Released | 2026-08-12 | 2026-10-15 |
| Input / 1M | $0.50 | $0.30 |
| Output / 1M | $2.50 | $2.50 |
| Cached input / 1M | — | — |
| Blended / 1M (3:1) | $1.00 | $0.85 |
| Context | 262K | 32K |
| Max output | 236K | 4K |
| Accepts | text, image, video | text, image |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $2.50 | $2.50 |
| Best provider uptime, 24 h | 100% | 98.1% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
Seed 2.1 Turbo
$67.50 per month$2.25 per day
Moondream 3.1
$55.50 per month$1.85 per day
Moondream 3.1 saves $12.00 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Seed 2.1 Turbo with