Seed 2.0 Lite vs GPT-5

Compare Seed 2.0 Lite by ByteDance against GPT-5 by OpenAI, context windows of 262K vs 400K, tested across 45 shared challenges. Updated March 2026.

Which is better, Seed 2.0 Lite or GPT-5?

Seed 2.0 Lite and GPT-5 are both competitive models. Seed 2.0 Lite costs $0.25/M input tokens vs $1.25/M for GPT-5. Context windows: 262K vs 400K tokens. Compare their real outputs side by side below.

Key Differences Between Seed 2.0 Lite and GPT-5

Seed 2.0 Lite is made by bytedance while GPT-5 is from openai. Seed 2.0 Lite has a 262K token context window compared to GPT-5's 400K. On pricing, Seed 2.0 Lite costs $0.25/M input tokens vs $1.25/M for GPT-5.

Our Verdict
GPT-5
GPT-5
Seed 2.0 Lite
Seed 2.0 LiteRunner-up

No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.

Seed 2.0 Lite is 5.0x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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