Seed 2.1 Turbo

Other · 256K token context · multimodal

Pricing: $0.34 per 1M input tokens, $1.69 per 1M output tokens

Seed 2.1 Turbo is ByteDance Seed’s multimodal model for coding, long-horizon agents, multi-step task execution, tools, reasoning, and visual and video understanding.

Pricing

$0.34 per 1M input tokens and $1.69 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

Prices checked 2026-11-04

Context and limits

The context window is 256,000 tokens (256K).

The maximum output is 65,536 tokens.

When to use Seed 2.1 Turbo

Seed 2.1 Turbo (model ID `seed-2-1-turbo`) takes text, image, video input and returns text output.

Supported features in the catalog: function calling (tools), streamed responses over SSE, JSON-schema structured output.

Use Seed 2.1 Turbo for text generation and chat.

FAQ

How much does Seed 2.1 Turbo cost?

$0.34 per 1M input tokens and $1.69 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

What is the context window and output limit of Seed 2.1 Turbo?

The context window is 256,000 tokens (256K). The maximum output is 65,536 tokens.

How do I get access to Seed 2.1 Turbo?

Create an API key in the llmka.dev dashboard and send requests to model "seed-2-1-turbo" at https://api.llmka.dev/v1. The endpoint is OpenAI-compatible. One key and one balance cover all models on the gateway.

Links

All models and prices · API documentation · Quick start

Available through the llmka.dev gateway: OpenAI- and Anthropic-compatible endpoints, one key, USDT top-up.