Compare/GPT-4.5 (Preview) vs Grok-1

GPT-4.5 (Preview)vsGrok-1

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

OpenAI

GPT-4.5 (Preview)

Input
$0/M
Output
$0/M
Speed
TTFT
xAI

Grok-1

Input
$0/M
Output
$0/M
Speed
TTFT

Winner by Category

Cheaper
Tie
Faster (tok/s)
Tie
Lower Latency
Tie
Benchmarks (1-0)
GPT-4.5 (Preview)

Pricing Comparison

MetricGPT-4.5 (Preview)Grok-1
Input ($/M tokens)$0$0
Output ($/M tokens)$0$0
Cost for 1M input + 100K output tokens:
GPT-4.5 (Preview)$0.00
Grok-1$0.00

Speed Comparison

Speed data not available for these models.

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
20.011.7
Coding Index
Math Index
GPQA Diamond
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
SciCode
IFBench
TerminalBench
GPT-4.5 (Preview)1 wins
0 winsGrok-1

Frequently Asked Questions

Which is cheaper, GPT-4.5 (Preview) or Grok-1?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

GPT-4.5 (Preview) wins 1 out of 12 benchmarks compared to 0 for Grok-1. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Both models have comparable generation speeds.

When should I use GPT-4.5 (Preview) vs Grok-1?

Choose based on your priorities: both are similarly priced, GPT-4.5 (Preview) for stronger benchmark performance, and both have comparable speed. For latency-sensitive apps, check the TTFT comparison above.