available

GPT-5.5

kenari/gpt-5-5

Prices

Input: $2.50 per 1M tokens
low
Input (>272k ctx): $10.00 per 1M tokens
low
Input (cached read, >272k ctx): $1.00 per 1M tokens
low
Input (cached read): $0.25 per 1M tokens
low
Output: $15.00 per 1M tokens
low
Output (>272k ctx): $45.00 per 1M tokens
low

Specifications

Provider: kenari
Context window: 1,050,000
Max output tokens: 128,000
Open weights: no
Released: 04/23/2026
Retires: no date announced
First seen by this tracker: 09/14/2026

Price history

Input — per 1M tokens

Recorded changes for Input
From	Amount
09/14/2026	0
09/23/2026	2.5

Output — per 1M tokens

Recorded changes for Output
From	Amount
09/14/2026	0
09/23/2026	15

No changes recorded

Input (cached read): 0.25 per 1M tokens, unchanged since 09/14/2026
Input (>272k ctx): 10 per 1M tokens, unchanged since 09/14/2026
Output (>272k ctx): 45 per 1M tokens, unchanged since 09/14/2026
Input (cached read, >272k ctx): 1 per 1M tokens, unchanged since 09/14/2026

Last updated 10/04/2026, 02:10