by Bytedance

Seed-1.8.

multimodal open weights datacenter 200B params 256K ctx
Cheapest input
$0.25/M
on DeepInfra
Cheapest output
$2.0/M
on DeepInfra
Smallest GPU
1× Nvidia H200

Optimized specifically for multimodal agent scenarios. It features enhanced agent capabilities, upgraded multimodal comprehension, and more flexible context management.

Smallest GPU to run it See all quantisations →

1× Nvidia H200.

Most-aggressive quantisation we have a working recommendation for. Lower precision = less VRAM = cheaper hardware, at a small accuracy cost.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
DeepInfra hosted inference $0.25 $2.0 Launch ↗
FAQ

Frequently asked.

How do I run Seed-1.8?
Seed-1.8 is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access Seed-1.8?
Seed-1.8 is available via DeepInfra. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Seed-1.8?
API pricing starts at $0.25/M input tokens and $2.0/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Seed-1.8 open-source or proprietary?
Seed-1.8 is open-weight under the license. You can download and self-host it.