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GPT-5.5 (medium) – Benchmarks, Pricing & Intelligence Analysis

Not available on LLMBase

GPT-5.5 (medium) is not currently available in LLMBase Chat or the LLMBase Inference API. Benchmarks, pricing, and model details remain available for research and comparison.

Input Price$5.00/1M tokens
Output Price$30.00/1M tokens
Intelligence50.4
Coding71.5

Specifications

Technical details and pricing.

ProviderOpenai
Context WindowN/A
Release DateApr 23, 2026
ModalitiesText
AvailabilityNot available

Benchmarks

7 benchmark scores from Artificial Analysis.

GPQA92.6%
HLE40.6%
SciCode53.5%
LCR72.3%
IFBench71.0%
Tau291.8%
TerminalBench Hard57.6%

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 (medium) good for?

GPT-5.5 (medium) 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 (medium) 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 (medium) 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 (medium).

Does GPT-5.5 (medium) support images or audio?

GPT-5.5 (medium) focuses on text-based tasks.

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