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GPT-5-Chat

OpenAI · gpt-5-chat

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Chat-tuned GPT model for conversational assistance, writing, and tool workflows

Specification

openai listing

Context
128K
Max output
16K
Released
2025-08-07
Knowledge cutoff
2024-09-30
Retires
2026-07-23
Open weights
no
Input
text, image
Output
text

Price

US dollars per million tokens · openai list price

Input
$1.25
Output
$10.00
Cache read
$0.125

Available from 7 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
openaivendor$1.25$10.00$0.125—128K16K2026-07-23
poe$1.10$9.00$0.11—128K16K—
jiekou$1.125$9.00——400K128K—
azure$1.25$10.00$0.125—128K16K2026-06-29
helicone$1.25$10.00$0.125—128K16K—
merge-gateway$1.25$10.00$0.125—128K16K—
orcarouter$1.25$10.00$0.125—400K100K—

Price history

append-only observations · a listing writes a row only when its price moves

DateHostField$/M
2026-09-02azureCache read$0.125
2026-09-25azureCache read$0.125
2026-09-02azureInput$1.25
2026-09-25azureInput$1.25
2026-09-02azureOutput$10.00
2026-09-25azureOutput$10.00

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