AI Leaderboard · Proprietary

GPT-5.4 benchmarks, pricing, and ranking.

Rank #4AskClash overall score: 76.8
$2.50 / $15.0Input and output token price, when published. Context: 1.05M.
API/OAuthBilling and access path cached for this model row.

GPT-5.4 benchmark snapshot

AskClash combines public benchmark cells into a weighted percentile score and penalizes missing coverage so narrow rows do not dominate better-measured models.

Overall76.8
Benchmark cells14
Context1.05M
CreatorOpenAI

Public benchmark scores

Only benchmark columns with cached public values are shown here. Missing cells remain blank in the live table.

HLE

52.1 score

GPQA

92.8 score

MATH-500

99.0 score

SWE-Pro

57.7 score

Terminal-Bench

75.1 score

OSWorld

75.0 score

MCP Atlas

70.6 score

CharXiv

82.8 score

MMMU-Pro

82.1 score

ARC-AGI 2

73.3 score

Tau2

87.1 score

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Related AI and tech coverage

Cached AskClash article matches that can provide release, provider, or market context around this model.

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

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

Last cached leaderboard date: May 22, 2026. This model page is generated from the AskClash AI Leaderboard cache and linked from the live leaderboard.