GPT-5 Pro API Pricing

OpenAI · released 2025-10-06

Also searched as: GPT 5 Pro pricing · 5 Pro price

GPT-5 Pro price

$15.00
input / 1M tokens
1.50¢ / 1K
$120.00
output / 1M tokens
12.00¢ / 1K
$41.25
blended / 1M tokens
4.12¢ / 1K

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

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out$0.0435
RAG query4,000 in / 500 out$0.1200
Long document summary50,000 in / 1,000 out$0.8700
Code review of a 2k-line file30,000 in / 2,000 out$0.6900
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$1,305.00

Cost = (input tokens ÷ 1,000,000 × $15.00) + (output tokens ÷ 1,000,000 × $120.00).

Benchmarks

BenchmarkValueSourceAs of
Epoch Capabilities Index (ECI) 151.2 epoch 2025-10-07
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

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
Qwen3.7 Plus147.8$0.70

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 Pro See GPT-5 Pro 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 Pro?

GPT-5 Pro is developed by OpenAI, released 2025-10-06.

How much does GPT-5 Pro cost per million tokens?

GPT-5 Pro costs $15.00 per 1M input tokens and $120.00 per 1M output tokens ($41.25 blended), per OpenAI's official list price as recorded by models.dev.

What is the GPT-5 Pro API price?

The GPT-5 Pro API price is $15.00 per 1M input tokens and $120.00 per 1M output tokens ($41.25 per 1M blended).

How much does GPT-5 Pro cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about $0.0435 on GPT-5 Pro, at $15.00/1M input and $120.00/1M output.

Is GPT-5 Pro free?

GPT-5 Pro's official API list price is $15.00 per 1M input tokens and $120.00 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 Pro rank on benchmarks?

GPT-5 Pro scores 151.2 on the Epoch Capabilities Index (ECI), ranking #53 of 107 models we track with a published ECI score.

Is there a cheaper model with a similar ECI to GPT-5 Pro?

Yes — GLM-5.3-Flash scores a similar ECI (153.6) at $0.1942/1M blended, versus $41.25/1M for GPT-5 Pro.

Where does this data come from?

Pricing for GPT-5 Pro 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.