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Data checked September 25, 2026

Data checked September 25, 2026

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Data checked September 25, 2026 · Every number links to its sourceRSS · Source on GitHub

Leaderboard/ByteDance

ByteDance · Seed 2.0

Doubao Seed 2.0 Lite

Closed weightsGenerally availableproprietary

Mid-tier ByteDance Seed 2.0 omni-modal (text/image/audio/video in) model balancing quality and speed.

AA Intelligence: —
Input / output per 1M: $0.25/ $2.00
Output speed: —
Context window: 262K tokens

Coding

SWE-bench Pro#25 of 31
46.6%vendorSeed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: Claude Opus 5.5 at 89.9%
Terminal-Bench 2.x#67 of 103
43.3%vendorTerminal-Bench 2.0; Seed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: Claude Fable 5.1 at 91.4%

Agents and tool use

BrowseComp#10 of 14
64%vendorSeed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: GPT-6 Astra at 91.5%

Reasoning and knowledge

GPQA Diamond#46 of 142
88.4%vendorSeed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: GPT-6 Astra at 96.1%
Humanity’s Last Exam#62 of 147
25.7%vendorno tools, text only; Seed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: Claude Opus 5.5 at 61.4%

Vision and long context

MMMU-Pro#26 of 72
78.4%vendorSeed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: Claude Opus 5.5 at 87.7%
Video-MME#4 of 4
89%vendorSeed2.0 Lite 04/28ByteDance Seed: Seed2.0 model page ↗
Leader: Kimi K3 at 90%

Specs

Released: February 14, 2026
Parameters: Undisclosed
Size class: Undisclosed
Input: text, image, audio, video
Output: text
Context: 262K tokens
Max output: Not published
Cached input: $0.05 / 1M
Blended 70/30: $0.775 / 1M

Price: BytePlus ModelArk pricing (online inference, USD) ↗ BytePlus seed-2-0-lite-260428, lowest tier (input [0, 128K]); audio input $3.75/M (audio cache hit $0.75/M). 04/28 update added audio input.

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Compare with

Doubao Seed 2.1 Pro
Doubao Seed 2.1 Turbo
Doubao Seed 2.1 Lite
Doubao Seed Evolving