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GPT-5.5 (medium)

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

Capability Radar

53
general
56
coding
93
reasoning
69
scienceest.
0
agents
85
multimodal

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

Rankings

Domain#RankScoreSource
Code Ranking4
95.0
AA
General Ranking6
91.0
AA
Science5
93.0
AA

Benchmark Scores (LLM Stats)

No benchmark data available

AA Evaluation Indices

Intelligence Index
56.7
Coding Index
56.2
Gpqa
0.9
Tau2
0.9
Lcr
0.7
Ifbench
0.7
Terminalbench Hard
0.6
Scicode
0.5
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/sec76.0 tokens/s
Time to First Token5.65s
Time to Answer5.65s

Available Providers

(LS internal units)

No provider data available

External Sources

No external links available