OpenAICurrent

GPT-5.5

General-purpose language tasks

Context Window

1050K tokens

≈ 788K words

Input Price

$5

per 1M tokens

Output Price

$30

per 1M tokens

Released

April 2026

Capabilities

Tool / Function calling

Best for

General-purpose language tasks

Strengths

Frontier intelligence
Deep reasoning
Massive context
Research

API identifier

gpt-5.5

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