GPT-5.2 vs Grok 4.5

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Grok 4.5 by xAI wins on 4 of 6 benchmarks against GPT-5.2 by OpenAI, which leads on 2. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Coding: In coding, Grok 4.5 scores 1283 on Design Arena ELO compared to GPT-5.2's 1173, while Grok 4.5 scores 1296 on Website Arena ELO compared to GPT-5.2's 1167.

Context: In context, Grok 4.5 scores 500K on Context Length compared to GPT-5.2's 400K.

Pricing Comparison

GPT-5.2 costs $1.8/1M input tokens and $14.0/1M output tokens, while Grok 4.5 costs $2.0/1M input and $6.0/1M output. GPT-5.2 is the more affordable option for API usage.

Verdict

GPT-5.2 leads across the board in affordability, making it the stronger overall choice in this comparison.

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GPT-5.2 vs Grok 4.5 — FAQ

Which is better, GPT-5.2 or Grok 4.5?

Grok 4.5 wins on more benchmarks overall (4 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.

How does GPT-5.2 compare to Grok 4.5 for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is GPT-5.2 cheaper than Grok 4.5?

Yes, GPT-5.2 is cheaper. GPT-5.2 costs $1.8/1M input and $14.0/1M output tokens. Grok 4.5 costs $2.0/1M input and $6.0/1M output tokens.

Which is faster, GPT-5.2 or Grok 4.5?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the GPT-5.2 vs Grok 4.5 comparison cover?

This comparison covers 6 benchmarks including Input Cost, Output Cost, Context Length, Cached Input Cost, Design Arena ELO, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.