GPT-4.1 nano API Pricing

OpenAI · released 2025-04-14

Also searched as: GPT 4.1 nano pricing · 4.1 nano price

GPT-4.1 nano price

$0.10
input / 1M tokens
0.010¢ / 1K
$0.40
output / 1M tokens
0.040¢ / 1K
$0.175
blended / 1M tokens
0.017¢ / 1K

Deprecated by the vendor

Official list price from OpenAI, as recorded by models.dev

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.017¢
RAG query4,000 in / 500 out0.06¢
Long document summary50,000 in / 1,000 out0.54¢
Code review of a 2k-line file30,000 in / 2,000 out0.38¢
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$5.10

Cost = (input tokens ÷ 1,000,000 × $0.10) + (output tokens ÷ 1,000,000 × $0.40).

Benchmarks

BenchmarkValueSourceAs of
Epoch Capabilities Index (ECI) 127.0 epoch 2025-04-14
Epoch Mock AIME accuracy No public data yet
Epoch FrontierMath (T1–3) accuracy No public data yet
Arena text rating No public data yet
Arena coding rating (human preference votes, not task accuracy) No public data yet
Arena math rating No public data yet
Arena WebDev rating No public data yet

More from OpenAI

ModelReleasedBlended $/1M
GPT-6.1 Terra2026-10-26$2.00
GPT-6.1 Sol2026-09-29$4.00
GPT-6 Sol2026-09-22$4.00
GPT-6 Luna2026-09-22$0.20
GPT-Live 12026-09-10—
GPT Image 2.5 Sunburst2026-09-08$11.25
GPT Image 2.5 Flare2026-09-08$11.25
GPT-6 Astra (Fast)2026-09-04—

Count tokens & estimate cost for GPT-4.1 nano See GPT-4.1 nano on the leaderboard

Prices: OpenAI's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.

FAQ

Who develops GPT-4.1 nano?

GPT-4.1 nano is developed by OpenAI, released 2025-04-14.

How much does GPT-4.1 nano cost per million tokens?

GPT-4.1 nano costs $0.10 per 1M input tokens and $0.40 per 1M output tokens ($0.175 blended), per OpenAI's official list price as recorded by models.dev.

What is the GPT-4.1 nano API price?

The GPT-4.1 nano API price is $0.10 per 1M input tokens and $0.40 per 1M output tokens ($0.175 per 1M blended).

How much does GPT-4.1 nano cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about 0.017¢ on GPT-4.1 nano, at $0.10/1M input and $0.40/1M output.

Is GPT-4.1 nano free?

GPT-4.1 nano's official API list price is $0.10 per 1M input tokens and $0.40 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check OpenAI's site for those.

How does GPT-4.1 nano rank on benchmarks?

GPT-4.1 nano scores 127.0 on the Epoch Capabilities Index (ECI), ranking #102 of 107 models we track with a published ECI score.

Where does this data come from?

Pricing for GPT-4.1 nano comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.