HLE
52.2 score
LLM Leaderboard · Proprietary
GPT-5.5 benchmarks, pricing, and LLM comparison.
Compare GPT-5.5 vs GPT, Claude, Gemini, DeepSeek, open-weight, and frontier AI models using public benchmark scores, token pricing, context window, and access details.
Rank #2AskClash overall score: 91.4
$5.00 / $30.0Input and output token price, when published. Context: 1M.
API/OAuthBilling and access path cached for this model row.
GPT-5.5 benchmark snapshot
AskClash combines public LLM benchmark cells into a weighted percentile score and penalizes missing coverage so narrow rows do not dominate better-measured models.
Overall91.4
Benchmark cells12
Context1M
CreatorOpenAI
GPT-5.5 public benchmark scores
Cached benchmark values can include HLE, GPQA, SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, MCP Atlas, MMMU-Pro, ARC-AGI-2, Tau2, and model-specific coding or agent scores.
GPQA
93.6 score
SWE-Pro
58.6 score
Terminal-Bench
84.1 score
OSWorld
78.7 score
MCP Atlas
75.3 score
Finance Agent
51.8 score
MMMU-Pro
83.2 score
ARC-AGI 2
85.0 score
Tau2
98.0 score
GPT-5.5 vs other AI models
Use these comparison links to evaluate GPT-5.5 against nearby LLMs by benchmark score, price, context window, and provider.
Related AI and tech coverage
Cached AskClash article matches that can provide release, provider, benchmark, pricing, or market context around this model.
OpenAI locks GPT-5.5-Cyber behind velvet rope despite slamming Anthropic for doing exactly that
OpenAI locks GPT-5.5-Cyber behind velvet rope • The Register The Register Home Page Search Search The Register Navigation Topics Security All Security Cyber-crime Patches Research CSO Off-Prem All Off-Prem Edge + IoT Channel PaaS + IaaS SaaS On-Prem All On-Prem Systems Storage Networks HPC Personal Tech Cx0 Public Sector Software All Software AI + ML Applications Databases DevOps OSes Virtualization Offbeat All Offbeat Columnists Science Geek's Guide BOFH Legal Bootnotes Site News About Us More
Our evaluation of OpenAI's GPT-5.5 cyber capabilities
Our evaluation of OpenAI's GPT-5.5 cyber capabilities Simon Willison’s Weblog Subscribe 30th April 2026 - Link Blog Our evaluation of OpenAI's GPT-5.5 cyber capabilities . The UK's AI Security Institute previously evaluated Claude Mythos : now they've evaluated GPT-5.5 for finding security vulnerability and found it to be comparable to Mythos, but unlike Mythos it's generally available right now. Posted 30th April 2026 at 11:03 pm Recent articles LLM 0.32a0 is a major backwards-compatible refact
[AINews] GPT 5.5 and OpenAI Codex Superapp
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[AINews] OpenAI GPT-next disproves 80 year old Erdős planar unit distance problem for under $1000
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Last cached leaderboard date: May 22, 2026. This model page is generated from the AskClash LLM Leaderboard cache and linked from the live leaderboard.