G
GPT-5.5
OpenAI
🧠 Language Model
OpenAI flagship chat model (April 2026 release).
Specifications
ModalitiesInput: text, image · Output: text
Context window272K tokens
Max output128K tokens
Speed●●●●○ Fast
FeaturesTools: Yes Streaming: Yes Vision: Yes
Capabilitiestools
Pricing
$8.75 / 1M input tokens · $52.50 / 1M output tokens
Platform credit pricing — live rates on the Models page.