GPT-4.1 pricing & specs

OpenAI · released 2025-04-14 · ● verified 2026-10-11

input / 1M$2.00
output / 1M$8.00
context1.05M
max output32.8K

// price history ($/1M tokens)

$9.20
input $/1Moutput $/1M2025-04-14 → 2026-10-11

// cheaper or similar alternatives

modelinoutctxvs GPT-4.1
Gemini 2.5 Flash-Lite$0.10$0.401.05M−95%
Claude Haiku 5.5$0.10$0.501M−94.3%
GPT-6 Luna$0.10$0.501.05M−94.3%
GLM-5.3-Flash$0.15$0.501M−93.2%
GPT-5.6 Luna$0.20$1.201.05M−87.1%

// price by host

hostin $/1Mout $/1M
Azure$2.00$8.00

// faq

How much does GPT-4.1 cost?

GPT-4.1 costs $2.00 per million input tokens and $8.00 per million output tokens. At 50M input and 10M output tokens per month that is about $180.

What is the context window of GPT-4.1?

1.05M tokens, with up to 32.8K output tokens per request.

Does GPT-4.1 support prompt caching?

Yes. Cached input tokens cost $0.50 per million.

What are cheaper alternatives to GPT-4.1?

Gemini 2.5 Flash-Lite ($0.10 in / $0.40 out), Claude Haiku 5.5 ($0.10 in / $0.50 out), GPT-6 Luna ($0.10 in / $0.50 out) offer the same input types and capabilities for less.

// spec sheet

input / 1M
$2.00
output / 1M
$8.00
cache read / 1M
$0.50
blended (3:1)
$3.50
context
1.05M
max output
32.8K
input types
text · image · pdf
reasoning
no
tool calling
yes
structured output
yes
open weights
no
knowledge cutoff
2024-04
price source
OpenAI

report a data error

// cost calculator

modelin $/1Mout $/1M= monthly
Gemini 2.5 Flash-Lite$0.10$0.40$9.00
Claude Haiku 5.5$0.10$0.50$10.00
GPT-6 Luna$0.10$0.50$10.00
GPT-4.1$2.00$8.00$180

Base-tier list prices. Long-context tiers, caching and batch discounts are not included.