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GPT-5.5 (xhigh)

OpenAIGPT
Release Date
2026-04-23
Parameters
Context Length
1.1M
Modalities
file, image, text

Capability Radar

57
general
59
coding
93
reasoning
71
scienceest.
0
agents
85
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking1
100.0
AA
General Ranking1
96.0
AA
Science2
98.0
AA

Benchmark Scores (LLM Stats)

No benchmark data available

AA Evaluation Indices

Intelligence Index
60.2
Coding Index
59.1
Tau2
0.9
Gpqa
0.9
Ifbench
0.8
Lcr
0.7
Terminalbench Hard
0.6
Scicode
0.6
Hle
0.4

LLM Stats Category Scores

No category score data available

Pricing

Input Price$5 / 1M tokens
Output Price$30 / 1M tokens
Blended Price (3:1)$11.25 / 1M tokens

Speed

Tokens/sec81.0 tokens/s
Time to First Token34.78s
Time to Answer34.78s

Available Providers

(LS internal units)

No provider data available

External Sources

No external links available