Seed 2.1 Turbo

bytedance-seed/seed-2-1-turbo-20260810

ByteDance Seed: Seed 2.1 Turbo is a model that accepts text, image, and video inputs and generates text outputs. It supports a context length of 262,144 tokens, tool usage, and reasoning.

  • tool use
  • structured outputs
  • reasoning

At a glance

providerbytedance-seed
releasedJun 23, 2026
context262K
input / M$0.50

Specifications

What the API gives you

Context window
262K tokens
Max output
236K tokens
Input price
$0.50 / 1M tokens
Output price
$2.50 / 1M tokens
Cache read
—
Modalities
text, image, video → text
Knowledge cutoff
—
Released
Jun 23, 2026

Benchmarks

No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.

Task evidence

How broad is the support?

Each status is exact to this model version and the selected task. Official release claims remain provisional.

No exact-version task evidence is linked yet. Official release claims will appear provisionally; independent results are required for established status.

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. The task evidence panel above says exactly what is confirmed and what is still missing.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.