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Claude Sonnet 5.5 (XHigh) benchmarks — leaderboard rank, pricing, and comparisons.

Claude Sonnet 5.5 (XHigh) ranks #19 on the AskClash LLM leaderboard with an overall score of 65.5. Compare Claude Sonnet 5.5 (XHigh) vs GPT, Claude, Gemini, DeepSeek, open-weight, and frontier AI models using public benchmark scores, token pricing, context window, and access details.

Rank #19AskClash overall score: 65.5
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Claude Sonnet 5.5 (XHigh) 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.

Overall65.5
Benchmark cells7
Context—
CreatorAnthropic

Claude Sonnet 5.5 (XHigh) 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

76.6 score

HLE

50.0 score

GDPval-AA

1727.3 score

ARC-AGI 2

83.9 score

Claude Sonnet 5.5 (XHigh) vs other AI models

Use these comparison links to evaluate Claude Sonnet 5.5 (XHigh) against nearby LLMs by benchmark score, price, context window, and provider.

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