Compare/GPT-5.5 (Non-reasoning) vs Grok-1

GPT-5.5 (Non-reasoning)vsGrok-1

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

OpenAI

GPT-5.5 (Non-reasoning)

Input
$5/M
Output
$30/M
Speed
TTFT
xAI

Grok-1

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

Winner by Category

Cheaper
Grok-1
Faster (tok/s)
Tie
Lower Latency
Tie
Benchmarks (7-0)
GPT-5.5 (Non-reasoning)

Pricing Comparison

MetricGPT-5.5 (Non-reasoning)Grok-1
Input ($/M tokens)$5$0
Output ($/M tokens)$30$0
Cost for 1M input + 100K output tokens:
GPT-5.5 (Non-reasoning)$8.00
Grok-1$0.00

Speed Comparison

Speed data not available for these models.

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
40.911.7
Coding Index
48.6
Math Index
GPQA Diamond
76.8%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
12.6%
SciCode
47.3%
IFBench
46.1%
TerminalBench
49.2%
GPT-5.5 (Non-reasoning)7 wins
0 winsGrok-1

Frequently Asked Questions

Which is cheaper, GPT-5.5 (Non-reasoning) or Grok-1?

Grok-1 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $11.25/M for GPT-5.5 (Non-reasoning).

Which model performs better on benchmarks?

GPT-5.5 (Non-reasoning) wins 7 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-5.5 (Non-reasoning) vs Grok-1?

Choose based on your priorities: Grok-1 for lower cost, GPT-5.5 (Non-reasoning) for stronger benchmark performance, and both have comparable speed. For latency-sensitive apps, check the TTFT comparison above.