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OpenAI: GPT-5.2 Pro vs OpenAI: GPT-5

Head-to-head API cost, context, and performance comparison. Synced at 9:52:17 AM.

Executive Summary

When evaluating OpenAI: GPT-5.2 Pro against OpenAI: GPT-5, the pricing structure is a key differentiator. OpenAI: GPT-5 is approximately 94% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, OpenAI: GPT-5 leads with a statistical ELO score of 1300. For tasks involving complex logic, coding, or instruction-following, developers might prefer OpenAI: GPT-5, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
OpenAI: GPT-5.2 Pro
OpenAI: GPT-5
Performance (ELO)
1300
1300
Input Cost / 1M
$21.00
$1.25
Output Cost / 1M
$168.00
$10.00
Context Window
400,000 tokens
400,000 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, OpenAI: GPT-5 wins out aggressively in pricing.

People Also Ask

Is OpenAI: GPT-5.2 Pro cheaper than OpenAI: GPT-5?

No. OpenAI: GPT-5 is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

Both models offer an identical context window of 400,000 tokens.

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