GPT-4.1 vs Grok 4

Comparing 2 AI models · 6 benchmarks · OpenAI, xAI

Most Affordable
OpenAI logo
GPT-4.1
$2.00/1M
Highest Intelligence
xAI logo
Grok 4
87.7% GPQA
Best for Coding
xAI logo
Grok 4
55.1 Coding Index
Price Difference
1.5x
input cost range

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Benchmark Winners

6 tests
OpenAI logo

GPT-4.1

0

No clear wins

xAI logo

Grok 4

6
  • GPQA
  • MMLU Pro
  • HLE
  • LiveCodeBench
  • MATH 500
  • AIME 2025
Metric
OpenAI logo GPT-4.1
OpenAI
xAI logo Grok 4
xAI
Pricing
Per 1M tokens
Input Cost $2.00/1M $3.00/1M
Output Cost $8.00/1M $15.00/1M
Blended Cost 3:1 input/output ratio
$3.50/1M $6.00/1M
Specifications
Organization Model creator
OpenAI xAI
Release Date Launch date
Apr 14, 2025 Jul 10, 2025
Performance & Speed
Throughput Output speed
85.4 tok/s 37.2 tok/s
Time to First Token (TTFT) Initial response delay
561ms 9172ms
Latency Time to first answer token
561ms 9172ms
Composite Indices
Intelligence Index Overall reasoning capability
43.4 65.3
Coding Index Programming ability
32.2 55.1
Math Index Mathematical reasoning
34.7 92.7
Standard Benchmarks
GPQA Graduate-level reasoning
66.6% 87.7%
MMLU Pro Advanced knowledge
80.6% 86.6%
HLE Hard language evaluation
4.6% 23.9%
LiveCodeBench Real-world coding tasks
45.7% 81.9%
MATH 500 Mathematical problems
91.3% 99.0%
AIME 2025 Advanced math competition
34.7% 92.7%
AIME (Original) Math olympiad problems
43.7% 94.3%
SciCode Scientific code generation
38.1% 45.7%
LCR Code review capability
61.0% 68.0%
IFBench Instruction-following
43.0% 53.7%
TAU-bench v2 Tool use & agentic tasks
47.1% 74.9%
TerminalBench Hard CLI command generation
12.8% 37.6%

Key Takeaways

GPT-4.1 offers the best value at $2.00/1M, making it ideal for high-volume applications and cost-conscious projects.

Grok 4 leads in reasoning capabilities with a 87.7% GPQA score, excelling at complex analytical tasks and problem-solving.

Grok 4 achieves a 55.1 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

OpenAI logo

GPT-4.1

  • Cost-sensitive applications
  • High-volume processing
xAI logo

Grok 4

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development

Cost Calculator

OpenAI logo GPT-4.1
$0.00
per month
xAI logo Grok 4
$0.00
per month

Costs are estimates based on API pricing. Actual costs may vary based on caching, batch processing, and volume discounts.