GPT-5.2 vs Grok 4.3
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4.3 by xAI wins on 5 of 6 benchmarks against GPT-5.2 by OpenAI, which leads on 1. 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 4.3 scores 1178 on Design Arena ELO compared to GPT-5.2's 1173, while Grok 4.3 scores 1206 on Website Arena ELO compared to GPT-5.2's 1167.
Context: In context, Grok 4.3 scores 1.0M 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 4.3 costs $1.3/1M input and $2.5/1M output. Grok 4.3 is the more affordable option for API usage.
Verdict
Grok 4.3 leads across the board in affordability, making it the stronger overall choice in this comparison.
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GPT-5.2 vs Grok 4.3 — FAQ
Which is better, GPT-5.2 or Grok 4.3?
Grok 4.3 wins on more benchmarks overall (5 vs 1). However, the best choice depends on your specific needs — each model excels in different areas.
How does GPT-5.2 compare to Grok 4.3 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 4.3?
Yes, Grok 4.3 is cheaper. GPT-5.2 costs $1.8/1M input and $14.0/1M output tokens. Grok 4.3 costs $1.3/1M input and $2.5/1M output tokens.
Which is faster, GPT-5.2 or Grok 4.3?
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 4.3 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.