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GPT-5.5 Instant (May 2026)

byOpenAI

Input Price$5.00/1M tokens
Output Price$30.00/1M tokens
Intelligence41.8
Coding45.1

Specifications

Technical details and pricing.

ProviderOpenAI
Context WindowN/A
Release DateMay 5, 2026
ModalitiesText

Benchmarks

7 benchmark scores from Artificial Analysis.

GPQA84.6%
HLE20.3%
SciCode50.3%
LCR55.7%
IFBench71.5%
Tau249.4%
TerminalBench Hard42.4%

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Frequently Asked Questions

What is GPT-5.5 Instant (May 2026) good for?

GPT-5.5 Instant (May 2026) currently has benchmark and pricing data on this page. Runtime metadata will appear later when the model catalog entry becomes available.

How much does GPT-5.5 Instant (May 2026) cost?

Pricing is based on usage. Current rates are $5.00/1M tokens for input and $30.00/1M tokens for output.

Is GPT-5.5 Instant (May 2026) available in LLMBase Chat yet?

Not yet on this page. We will add chat and inference actions automatically once an exact catalog entry exists for GPT-5.5 Instant (May 2026).

Does GPT-5.5 Instant (May 2026) support images or audio?

GPT-5.5 Instant (May 2026) focuses on text-based tasks.

Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.