GPT-5.5
Last verified: June 11, 2026$5.00/1M input · $30.00/1M output · 1.1M context · OpenAI
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Alternatives to GPT-5.5
Pricing Details
OpenAIRanked #1 on Artificial Analysis Intelligence Index (April 2026). Cached input: $0.50/1M. 2x input / 1.5x output surcharge above 272K context (whole session). Available in Responses API and Chat Completions API.
Input / 1M tokens
$5
Output / 1M tokens
$30
Context Window
1.1M
Max Output
128K
Price History
Launched at current price on 2026-04-23. No price changes recorded.
Frequently Asked Questions
Common questions about GPT-5.5 pricing and usage
Read More About GPT-5.5
GPT-5.5 on priority costs 2.5x list. Here is what the speed actually buys.
June 4, 2026 · 7 min read
MiniMax M3 claims GPT-5.5-class coding for a tenth of the price. The benchmarks are self-reported and the cheap tier stops at 512K.
June 2, 2026 · 8 min read
GPT-5.5 has a pricing cliff at 272K tokens. Cross it and the whole request bills double.
June 1, 2026 · 8 min read