OpenAI's GPT-4.1 is a language model release in the GPT-4 series, introduced by OpenAI for API use.
Pricing
Official site · Jun 20, 2026, 1:06 PM
Input / 1M
$2.00
Output / 1M
$8.00
Cached input / 1M
$0.50
Official first-party pricing page for OpenAI API pricing.
OpenAI's official API pricing page lists GPT-4.1 with token-based pricing: $2.00 per 1M input tokens, $0.50 per 1M cached input tokens, and $8.00 per 1M output tokens.
Model Intelligence
Arena ranking
19
Benchmarkable
Yes
Model level
release
Intelligence Index
19.4
Math Index
34.7
MMLU Pro
0.81
GPQA
0.67
HLE
0.05
LiveCodeBench
0.46
SciCode
0.38
MATH-500
0.91
AIME
0.44
AIME 2025
0.35
IFBench
0.43
LCR
0.61
TerminalBench Hard
0.14
TAU2
0.47
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