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GPT-5 Chat

OpenAI model, released 7 Aug 2025.

$1.25
per 1M input tokens
$10.00
per 1M output tokens
$0.125
per 1M cached-read tokens
Calculate what your real prompts cost on GPT-5 Chat

Price history

Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.

Specifications

Lab
OpenAI
Released
7 Aug 2025
Context window
128k tokens
Max output
16k tokens
Input modalities
file, image, text
Output modalities
text
Knowledge cutoff
2024-09-30
Open source
No

Frequently asked questions

How much does GPT-5 Chat cost?

GPT-5 Chat costs $1.25 per 1M input tokens and $10.00 per 1M output tokens (list price, updated every 6 hours).

What is GPT-5 Chat's context window?

GPT-5 Chat supports a 128k-token context window with up to 16k output tokens.

Related models

GPT-5 Chat — API Pricing, Context Window, Specs (2026) | AIToolScout | AIToolScout