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Seed 2.0 Lite vs OpenAI o3

Compare Seed 2.0 Lite by ByteDance against OpenAI o3 by OpenAI, tested across 49 shared challenges. Updated March 2026.

Which is better, Seed 2.0 Lite or OpenAI o3?

Seed 2.0 Lite and OpenAI o3 are both competitive models. Seed 2.0 Lite costs $0.25/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.

Key Differences Between Seed 2.0 Lite and OpenAI o3

Seed 2.0 Lite is made by bytedance while OpenAI o3 is from openai. On pricing, Seed 2.0 Lite costs $0.25/M input tokens vs $10/M for OpenAI o3.

Our Verdict
OpenAI o3
OpenAI o3
Seed 2.0 Lite
Seed 2.0 LiteRunner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.

Seed 2.0 Lite is 20x cheaper per token — worth considering if cost matters.

Too close to call
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