GPT 5.5

OpenAI

Parameters

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Architecture

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Released

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License

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About

No detailed description available for this model.

Benchmark Scores

Benchmark Score Date Standing
SWE-bench Verified
coding_agent
94.61%
11.06.2026
#2/60
better than 98%
Terminal Bench 2.1
coding_agent
86.25%
11.06.2026
#19/44
better than 58%
SWE Atlas - QnA
coding_agent
66.06%
11.06.2026
#9/24
better than 65%
SWE Atlas - TW
coding_agent
59.41%
11.06.2026
#7/20
better than 68%
SWE-efficiency
coding_agent
100.00%
11.06.2026
#1/5
better than 100%
LiveSQLBench
coding_agent
89.74%
11.06.2026
#2/5
better than 50%
CL-bench
coding_agent
100.00%
11.06.2026
#1/5
better than 100%
VIBE-V2
coding_agent
80.65%
11.06.2026
#2/9
better than 88%
SVG-Bench
coding_agent
63.35%
11.06.2026
#7/9
better than 25%
PostTrainBench
coding_agent
89.42%
11.06.2026
#4/22
better than 81%

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