OpenAI

GPT-5 Pro

CTX400K

81Quality

Reasoning · Vision · Tools

Input$15/M

Output$120/M

Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning

PaidProprietary670/1044

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OpenAITextHolo rare

GPT-5 Pro

Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning

gpt-5-pro

Type: Text
Quality: 81 · Top 19% on the Epoch Capabilities Index
Context window: 400,000 tokens
Max output: 272,000 tokens
Input price: $15.00 / 1M tokens
Output price: $120 / 1M tokens
Cache read: —
Cache write: —
Released: Oct 6, 2025
Knowledge cutoff: Sep 2024
Takes in: Text, Image
Puts out: Text
Reasoning: Yes
Tool calling: Yes
Structured output: Yes
File attachments: Yes
Access: Paid
License: Proprietary
Rarity: Holo rare
Set number: 670/1044

Open OpenAI docs Quality 81 Where to run it 17 Evolution 1/4 Meet its creature Battle Claude Fable 5.1

Weights aren’t public. Use is governed by OpenAI’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: platform.openai.com.

How good is it?

Public leaderboard scores for GPT-5 Pro, refreshed daily from Epoch AI and LMArena.

Top 19% of the 277 models on the Epoch Capabilities Index: #54.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Epoch Capabilities Index#54 of 277
One number fitted from dozens of hard benchmarks, from science questions to agentic coding.150.7 index

Benchmarks Epoch AI runs

56%FrontierMathUnpublished research-level math problems, tiers 1–3

Scores from Epoch AI, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

17 providers sell GPT-5 Pro through an API. Prices are per million tokens, cheapest first.

CheapestJiekou.AI$13.50 in · $108 out
From the labOpenAI$15.00 in · $120 out

API providers

Provider	Input	Output	Context
Jiekou.AICheapest paid`gpt-5-pro`	$13.50	$108	400K
Poe`openai/gpt-5-pro`	$14.00	$110	400K
302.AI`gpt-5-pro`	$15.00	$120	400K
Azure`gpt-5-pro`	$15.00	$120	400K
Azure Cognitive Services`gpt-5-pro`	$15.00	$120	400K
DevPass (LLM Gateway)`gpt-5-pro`	$15.00	$120	400K
Eden AI`openai/gpt-5-pro`	$15.00	$120	400K
Helicone`gpt-5-pro`	$15.00	$120	128K
Impossibl`openai/gpt-5-pro`	$15.00	$120	400K
Kilo Gateway`openai/gpt-5-pro`	$15.00	$120	400K

Show 7 more providers

Provider	Input	Output	Context
LLM Gateway`openai/gpt-5-pro`	$15.00	$120	400K
NanoGPT`openai/gpt-5-pro`	$15.00	$120	400K
OpenAIOfficial`gpt-5-pro`	$15.00	$120	400K
OpenRouter`openai/gpt-5-pro`	$15.00	$120	400K
OrcaRouter`openai/gpt-5-pro`	$15.00	$120	400K
Vercel AI Gateway`openai/gpt-5-pro`	$15.00	$120	400K
AI/ML API`openai/gpt-5-pro`	$20.63	$165	400K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

GPT-5 Pro

GPT-5 Pro

How good is it?

Leaderboards

Benchmarks Epoch AI runs

Where to run it

API providers

Face off

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