How does GPT-5.5 xHigh compare with other LLMs?

AskClash compares GPT-5.5 xHigh against nearby AI models using public benchmark scores, pricing, context window, and access details.

What benchmarks are tracked for GPT-5.5 xHigh?

The page shows cached public benchmark cells such as HLE, GPQA, SWE-bench, SWE-Pro, Terminal-Bench, MCP Atlas, MMMU-Pro, ARC-AGI-2, Tau2, and related model scores when available.

LLM Leaderboard · Proprietary

GPT-5.5 leaderboard — benchmarks, pricing, and comparisons.

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.

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Rank #6AskClash overall score: 82.3

$5.00 / $30.0Input and output token price, when published. Context: 1M.

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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.

Overall82.3

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.

RWT

8.5 score

Coding Agent Index

76.4 score

HLE

52.2 score

GPQA

93.6 score

SWE-Pro

58.6 score

Terminal-Bench

82.7 score

OSWorld

78.7 score

MCP Atlas

75.3 score

Finance Agent

51.8 score

MMMU-Pro

81.2 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.

Claude Mythos Fable 5 vs GPT-5.5 Sakana Fugu Ultra vs GPT-5.5 Claude Opus 4.8 vs GPT-5.5 GLM-5.2 vs GPT-5.5 Claude Sonnet 5 vs GPT-5.5 GPT-5.5 vs Grok 4.5 GPT-5.5 vs Sakana Fugu GPT-5.5 vs Claude Opus 4.7 (Adaptive)

Related AI and tech coverage

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

AI/tech coverage

AskClash will attach cached AI and tech articles here as relevant coverage is collected.

Last cached leaderboard date: July 8, 2026. This model page is generated from the AskClash LLM Leaderboard cache and linked from the live leaderboard.