LLM Leaderboard · Proprietary

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

GPT-5.5 ranks #28 on the AskClash LLM leaderboard with an overall score of 53.5. It scores 14.7 on Terminal-Bench. 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 #28AskClash overall score: 53.5
$5.00 / $30.0Input and output token price, when published. Context: 1M.
Visit websiteVisit the model provider's website.

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.

Overall53.5
Benchmark cells14
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.

ACB

62.0 score

RWT

8.0 score

HLE

52.2 score

GPQA

93.6 score

IFEval

75.9 score

SWE-Pro

58.6 score

Terminal-Bench

14.7 score

DeepSWE

67.0 score

GDPval-AA

1353.2 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.

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

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Last cached leaderboard date: April 23, 2026. This model page is generated from the AskClash LLM Leaderboard cache and linked from the live leaderboard.