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GPT-4o (Omni) vs Seed 2.0 Lite

Compare GPT-4o (Omni) by OpenAI against Seed 2.0 Lite by ByteDance, context windows of 128K vs 262K, tested across 50 shared challenges. Updated March 2026.

Which is better, GPT-4o (Omni) or Seed 2.0 Lite?

GPT-4o (Omni) and Seed 2.0 Lite are both competitive models. GPT-4o (Omni) costs $2.5/M input tokens vs $0.25/M for Seed 2.0 Lite. Context windows: 128K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4o (Omni) and Seed 2.0 Lite

GPT-4o (Omni) is made by openai while Seed 2.0 Lite is from bytedance. GPT-4o (Omni) has a 128K token context window compared to Seed 2.0 Lite's 262K. On pricing, GPT-4o (Omni) costs $2.5/M input tokens vs $0.25/M for Seed 2.0 Lite.

Our Verdict
GPT-4o (Omni)
GPT-4o (Omni)
Seed 2.0 Lite
Seed 2.0 Lite

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

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

Too close to call
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