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OpenAI

GPT-5.5

gpt-5.5
Available
Input / 1M
$5.00
Output / 1M
$30.00
Cached / 1M
from $0.50
Context
1.05M
  • Image inputSupported
  • Tool callingSupported
  • Structured outputSupported
First available
Apr 24, 2026
Knowledge cutoff
Dec 01, 2025
Input
Text, image
OpenAI

GPT-5.6 Sol

gpt-5.6-sol
Available
Input / 1M
$4.00
Output / 1M
$20.00
Cached / 1M
from $0.40
Context
1.05M
  • Image inputSupported
  • Tool callingSupported
  • Structured outputSupported
First available
Jul 9, 2026
Knowledge cutoff
Feb 16, 2026
Input
Text, image

Compare up to four models.

Prices and context windows

Input price

USD per 1M tokens
  • GPT-5.5
    $5.00
  • GPT-5.6 Sol
    $4.00

Output price

USD per 1M tokens
  • GPT-5.5
    $30.00
  • GPT-5.6 Sol
    $20.00

Cached input price

USD per 1M tokens · lowest rate
  • GPT-5.5
    from $0.50
  • GPT-5.6 Sol
    from $0.40

Context window

Tokens
  • GPT-5.5
    1.05M
  • GPT-5.6 Sol
    1.05M
  • Prices are USD per million tokens at the standard rate. Open a model for its full rate card.
  • Cached input is the lowest cache-read rate. "From" means some requests pay more, such as long prompts.
  • Prices and availability as of October 20, 2026.