ByteDance Seed 1.8 advanced vision model released December 28, 2025 with enhanced capabilities
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
ByteDance Seed 1.8 advanced vision model released December 28, 2025 with enhanced capabilities You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for Seed 1.8 (251228) on LLM Gateway starts at $0.25 per million input tokens and $2.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
Seed 1.8 (251228) supports a context window of up to 256,000 tokens on its largest provider deployment.
Seed 1.8 (251228) is served by ByteDance through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. Seed 1.8 (251228) supports both tool (function) calling and structured JSON outputs through LLM Gateway.
Seed 1.8 (251228) was released on December 18, 2025.