> Seed 2.0 is a closed AI model from ByteDance, released 14 Feb 2026.

[Models](https://themodelindex.org/models/) /[ByteDance](https://themodelindex.org/labs/bytedance/)

# Seed 2.0

ByteDance

Released 14 Feb 2026

Closed

Flagship

Date verified

[Compare](https://themodelindex.org/compare/seed-2-0-vs-kimi-k2-5/) [Announcement](https://seed.bytedance.com/en/blog/seed2-0-%E6%AD%A3%E5%BC%8F%E5%8F%91%E5%B8%83)

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Index score

Not yet evaluated independently

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Core tests taken

no independent results yet

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Versus the frontier at release

Replaced by [Seed 2.1](https://themodelindex.org/models/seed-2-1/)

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Price per million tokens

no public API price found

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Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Not plotted: no index score yet.

## Test results · by area · tick = best by any model

Reasoning & knowledge

no evidence yet

GPQA Diamond

no result

Humanity's Last Exam

no result

Maths

no evidence yet

FrontierMath T1-3

no result

Coding

no evidence yet

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

no evidence yet

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

Not on any of the rankings we follow yet.

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Replaced by Seed 2.1; it no longer leads any category among current models.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

Doubao

app · subscription

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

14 Feb 2026

Announcement

[seed.bytedance.com ↗](https://seed.bytedance.com/en/blog/seed2-0-%E6%AD%A3%E5%BC%8F%E5%8F%91%E5%B8%83)

Release entry

Seed 2.0

Scored as

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Artificial Analysis index

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Output speed

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Hugging Face

closed weights

## ByteDance releases · around this one

Doubao 1.5 Pro

Closed

22 JAN 2025

Seed 1.6

Closed

11 JUN 2025

Seed 2.0

Closed

14 FEB 2026

Seed 2.1

Closed

12 AUG 2026

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Source: https://themodelindex.org/models/seed-2-0/ · The Model Index · data as of 2026-10-01