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OpenAI: GPT-5.2 Chat vs xAI: Grok 4

Head-to-head API cost, context, and performance comparison. Synced at 9:53:37 AM.

Executive Summary

When evaluating OpenAI: GPT-5.2 Chat against xAI: Grok 4, the pricing structure is a key differentiator. OpenAI: GPT-5.2 Chat is approximately 13% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, OpenAI: GPT-5.2 Chat leads with a statistical ELO score of 1390. For tasks involving complex logic, coding, or instruction-following, developers might prefer OpenAI: GPT-5.2 Chat, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
OpenAI: GPT-5.2 Chat
xAI: Grok 4
Performance (ELO)
1390
1320
Input Cost / 1M
$1.75
$3.00
Output Cost / 1M
$14.00
$15.00
Context Window
128,000 tokens
256,000 tokens

Verdict

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

People Also Ask

Is OpenAI: GPT-5.2 Chat cheaper than xAI: Grok 4?

Yes. OpenAI: GPT-5.2 Chat is cheaper for both input and output generation compared to xAI: Grok 4. Exploring alternatives often yields cost reductions.

Which model has the larger context window?

The xAI: Grok 4 model has the advantage in memory, offering a massive 256,000 token limit for document ingestion.

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