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MANIFOLD
GPT-5.5 Benchmark Expectations
18
Ṁ300Ṁ3.5k
resolved May 1
Resolved
NO
SWE-Bench Pro >= 70%
Resolved
NO
HLE (no tools) >= 50%
Resolved
NO
HLE (tools) >= 65%
Resolved
NO
BrowseComp >= 90%
Resolved
NO
OSWorld-Verified >= 80%
Resolved
YES
AA-Intelligence >= 60
Resolved
YES
Terminal Bench 2.0 >= 82%
Resolved
NO
Simple Bench >= 70%
Resolved
NO
Arena.ai >= 1500 (Text, Style Control on)
Resolved
NO
Cursor Bench >= 75
Resolved
NO
ECI >= 160
Resolved
NO
ARC-AGI 3 >= 1%

N/A if not available / applicable

  • Update 2026-04-28 (PST) (AI summary of creator comment): Only GPT-5.5 xhigh (the most commonly reported version) counts for resolution. GPT-5.5 Pro is considered a different model and does not count.

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@ChinmayTheMathGuy didn't gpt-5.5 pro meet the browsercomp requirement? there's no criteria listed on this market so i assumed it counted.

@prismatic yeah could’ve been more clear in description

but logically only 5.5 xhigh (most commonly reported everywhere) makes sense

since Pro is a different model

and is missing benchmarks for some.