GPT-5

Aug 2025
GPT-5
Compare in
on
—per task?
$1.25 / $10per 1M in / outcache $0.13
102 tok/sfirst token in 60 s?
400Kcontext

Alternatives?

History

17 versions
020406080100Jul 24Jan 25Jul 25Jan 26Release dateARC-AGI-2 public evaluation4o4.1 · Apr5 · Aug5.1 · Nov5.2 · Dec5.4 · Mar5.5
02040608010020252026Release dateARC-AGI-2 public evaluation4o4.1 · Apr5 · Aug5.1 · Nov5.2 · Dec5.4 · Mar5.5

Benchmarks

in Chat & Knowledge
HealthBench Professional length-adjustedlab46.2
AIME 2025lab94.6
HMMT February 2025lab88.3
HMMT November 2025lab89.2
IMOAnswerBenchlab76
HMMT 2025 chart edition unstatedlab88.3
MMLU-Pro · official boardlab87.1

FAQ

How much does GPT-5 cost?›

$1.25 per 1M input tokens and $10 per 1M output tokens; cached input $0.13 per 1M.

Is GPT-5 free to use?›

There is no free API; the cheapest paid price is $1.25 per 1M input tokens.

How good is GPT-5, and what is it best at?›

#88 of 334 in Chat & Knowledge, #8 of 19 in Coding, #90 of 175 in Agents & Tool Use, #87 of 195 in Writing & Language, #56 of 124 in Vision & Documents. Strongest at: Long context, Instructions.

Is GPT-5 better than o3 Pro?›

On ARC-AGI-2 · public evaluation, GPT-5 scores 9.6 vs 3.9 — higher.

How can I use GPT-5?›

Through the API of Azure, OpenAI.

What is the context window of GPT-5?›

400K tokens, with up to 128K output tokens.

When was GPT-5 released? Is there a newer version?›

Released 2025-08-07. It has been superseded by GPT-5.1.

Is GPT-5 open source?›

No, GPT-5 is a closed model available through an API. The closest open-weights option here is GLM 5.3 Flash.

Can GPT-5 read images?›

It accepts text and images, PDF files as input.

What is GPT-5?›

GPT-5 is a closed language model from OpenAI, released Aug 2025, the successor to o3 Pro.

What are the best alternatives to GPT-5?›

Gemini 3.8 Flash (cheaper), GPT-6 Luna (better), GLM 5.3 Flash (open weights).