GPT-5.4 mini API Pricing

OpenAI · released 2026-03-17

Also searched as: GPT 5.4 mini pricing · 5.4 mini price

GPT-5.4 mini price

$0.75
input / 1M tokens
0.075¢ / 1K
$4.50
output / 1M tokens
0.450¢ / 1K
$1.6875
blended / 1M tokens
0.169¢ / 1K

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

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.172¢
RAG query4,000 in / 500 out0.525¢
Long document summary50,000 in / 1,000 out$0.0420
Code review of a 2k-line file30,000 in / 2,000 out$0.0315
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$51.75

Cost = (input tokens ÷ 1,000,000 × $0.75) + (output tokens ÷ 1,000,000 × $4.50).

Benchmarks

BenchmarkValueSourceAs of
Epoch Capabilities Index (ECI) 149.3 epoch 2026-03-17
Epoch Mock AIME accuracy No public data yet
Epoch FrontierMath (T1–3) accuracy No public data yet
Arena text rating 1447 arena 2026-10-28
Arena coding rating (human preference votes, not task accuracy) 1495 arena 2026-10-28
Arena math rating 1439 arena 2026-10-28
Arena WebDev rating 1397 arena 2026-10-28

LiveBench

Shown on this model page only — LiveBench data never appears in any leaderboard, comparison table or structured data on this site.

LiveBench metricValueAs of
LiveBench Global Average66.42026-06-25
LiveBench Reasoning71.32026-06-25
LiveBench Coding71.62026-06-25
LiveBench Agentic Coding41.72026-06-25
LiveBench Mathematics78.52026-06-25
LiveBench Data Analysis70.82026-06-25
LiveBench Language71.02026-06-25
LiveBench Instruction Following59.82026-06-25

LiveBench leaderboard (livebench.ai, github.com/LiveBench/new-livebench), CC BY-SA 4.0 — livebench.ai · github.com/LiveBench/new-livebench · CC BY-SA 4.0

Similar ECI, lower price

ModelECIBlended $/1M
GLM-5.3-Flash153.6$0.1942
GPT-5.4 nano146.4$0.4625
DeepSeek V4 Flash146.9$0.525
MiniMax-M3147.6$0.525
Gemini 3.1 Flash Lite144.9$0.5625

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-5.4 mini See GPT-5.4 mini 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-5.4 mini?

GPT-5.4 mini is developed by OpenAI, released 2026-03-17.

How much does GPT-5.4 mini cost per million tokens?

GPT-5.4 mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens ($1.6875 blended), per OpenAI's official list price as recorded by models.dev.

What is the GPT-5.4 mini API price?

The GPT-5.4 mini API price is $0.75 per 1M input tokens and $4.50 per 1M output tokens ($1.6875 per 1M blended).

How much does GPT-5.4 mini cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about 0.172¢ on GPT-5.4 mini, at $0.75/1M input and $4.50/1M output.

Is GPT-5.4 mini free?

GPT-5.4 mini's official API list price is $0.75 per 1M input tokens and $4.50 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-5.4 mini rank on benchmarks?

GPT-5.4 mini scores 149.3 on the Epoch Capabilities Index (ECI), ranking #59 of 107 models we track with a published ECI score.

Is there a cheaper model with a similar ECI to GPT-5.4 mini?

Yes — GLM-5.3-Flash scores a similar ECI (153.6) at $0.1942/1M blended, versus $1.6875/1M for GPT-5.4 mini.

Where does this data come from?

Pricing for GPT-5.4 mini comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses); LiveBench scores (below) are CC BY-SA 4.0 — see /data-sources/. Last synced 2026-11-06.