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ByteDance Seed: Seed-2.0-Mini vs OpenAI: GPT-5.2-Codex

Head-to-head API cost, context, and performance comparison. Synced at 11:21:05 AM.

Executive Summary

When evaluating ByteDance Seed: Seed-2.0-Mini against OpenAI: GPT-5.2-Codex, the pricing structure is a key differentiator. ByteDance Seed: Seed-2.0-Mini is approximately 97% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, OpenAI: GPT-5.2-Codex leads with a statistical ELO score of 1300. For tasks involving complex logic, coding, or instruction-following, developers might prefer OpenAI: GPT-5.2-Codex, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
ByteDance Seed: Seed-2.0-Mini
OpenAI: GPT-5.2-Codex
Performance (ELO)
1290
1300
Input Cost / 1M
$0.10
$1.75
Output Cost / 1M
$0.40
$14.00
Context Window
262,144 tokens
400,000 tokens

Verdict

If you are looking for pure performance and capability, OpenAI: GPT-5.2-Codex is statistically superior. However, if API burn rate is the primary concern, ByteDance Seed: Seed-2.0-Mini wins out aggressively in pricing.

People Also Ask

Is ByteDance Seed: Seed-2.0-Mini cheaper than OpenAI: GPT-5.2-Codex?

Yes. ByteDance Seed: Seed-2.0-Mini is cheaper for both input and output generation compared to OpenAI: GPT-5.2-Codex. Exploring alternatives often yields cost reductions.

Which model has the larger context window?

The OpenAI: GPT-5.2-Codex model has the advantage in memory, offering a massive 400,000 token limit for document ingestion.

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