Compare · ModelsLive · 2 picked · head to head
GPT-5.2 vs Grok 4 Fast
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.2 wins on 3/3 benchmarks
GPT-5.2 wins 3 of 3 shared benchmarks. Leads in reasoning · coding.
Category leads
reasoning·GPT-5.2coding·GPT-5.2
Hype vs Reality
Attention vs performance
GPT-5.2
#74 by perf·no signal
Grok 4 Fast
#93 by perf·no signal
Best value
Grok 4 Fast
21.0x better value than GPT-5.2
GPT-5.2
6.9 pts/$
$7.88/M
Grok 4 Fast
144.0 pts/$
$0.35/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
xAI
$250.0B·Tier 1
Head to head
3 benchmarks · 2 models
GPT-5.2Grok 4 Fast
ARC-AGI
GPT-5.2 leads by +37.7
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GPT-5.2
86.2
Grok 4 Fast
48.5
ARC-AGI-2
GPT-5.2 leads by +47.6
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-5.2
52.9
Grok 4 Fast
5.3
WeirdML
GPT-5.2 leads by +29.3
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GPT-5.2
72.2
Grok 4 Fast
42.9
Full benchmark table
| Benchmark | GPT-5.2 | Grok 4 Fast |
|---|---|---|
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 86.2 | 48.5 |
ARC-AGI-2 ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data. | 52.9 | 5.3 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 72.2 | 42.9 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| GPT-5.2 | $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 |
| Grok 4 Fast | $0.20 | $0.50 | 2.0M tokens (~1,000 books) | $2.75 |