GPT-4.1

OpenAI · Released Apr 2025

Workhorse text model with 1M context. Positioned between the budget GPT-5 and premium GPT-5.5.

Strengths: Reliable 1M-context workhorse between the budget and premium tiers.
Best for: Long-document processing and general text tasks at moderate cost.
Limitations: Previous generation; GPT-5 offers more for less.

Input / 1M

$2.00

Output / 1M

$8.00

Cached input / 1M

Context window

Price history

Effective	Input	Output	Cached in	Note	Source
14 Apr 2025	$2.00	$8.00	$0.5		openai.com/api/pricing

GPT-5.6 Luna

in $0.5 · out $3.00

GPT-5.6 Terra

in $1.25 · out $7.50

GPT-5.6 Sol

in $5.00 · out $30.00

GPT-5.5 Pro

in $30.00 · out $180.00

Data updated Jun 11, 2026 Report a problem