AI Benchmark Model

Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)

Benchmark scores, pricing, speed, and model comparisons for Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback).

Key scores

Intelligence51.9Index score
Speed99.6Tokens/sec
Blended Cost$4.00Per 1M tokens

Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) is an AI model from Anthropic tracked in Franklin AI's benchmark database. Its current intelligence index is 51.9. Franklin AI currently stores 3 benchmark rows for the model, covering the evaluation suites returned by the benchmark provider. The page compares available benchmark rows, provider context, speed, and token pricing so readers can judge where the model fits against other frontier systems without relying on a single leaderboard number. Pricing is tracked at $2.00 per 1M input tokens and $10.00 per 1M output tokens.

Benchmark results

3 tracked benchmark rows for Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback).

LCR Other
79.7%
SciCode Other
57.3%
HLE Other
50.0%