Seed 1.6 (250915)

ByteDance Seed 1.6 vision model released September 15, 2025 with thinking/non-thinking modes and multimodal inputs

seed-1-6-250915
STABLEGet StartedView uptime
256,000 context
Released September 15, 2025
Starting at $0.25/M input tokens
Starting at $2.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
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All Providers for Seed 1.6 (250915)

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

ByteDance
Context: 256k
Input
$0.25
/M tokens
Cache Read
$0.05
/M tokens
Output
$2
/M tokens
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Frequently asked questions

What is Seed 1.6 (250915)?

ByteDance Seed 1.6 vision model released September 15, 2025 with thinking/non-thinking modes and multimodal inputs You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Seed 1.6 (250915) cost?

Pricing for Seed 1.6 (250915) 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.

What is the context length of Seed 1.6 (250915)?

Seed 1.6 (250915) supports a context window of up to 256,000 tokens on its largest provider deployment.

Which providers serve Seed 1.6 (250915)?

Seed 1.6 (250915) is served by ByteDance through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Seed 1.6 (250915) support tool calling and structured outputs?

Yes. Seed 1.6 (250915) supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was Seed 1.6 (250915) released?

Seed 1.6 (250915) was released on September 15, 2025.