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Claude Sonnet 4.5 (Thinking) VS Spark-X1

Model Name	Affiliated organization	Release time	Model parameter quantity	Comprehensive score
Claude Sonnet 4.5 (Thinking)	Anthropic	September 29, 2025	N/A	6.8
Spark-X1	iFLYTEK	April 20, 2025	N/A	6.6

Comprehensive score Language dialogue Knowledge reserve Reasoning association Mathematical calculation Code writing Command following

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Brief Comparison of Claude Sonnet 4.5 (Thinking) VS Spark-X1 AI Models

Comprehensive Capability Comparison

Claude Sonnet 4.5 (Thinking) shows relatively better task comprehension and completion, while Spark-X1 has inconsistent performance and unstable output quality.

Language Understanding Comparison

Claude Sonnet 4.5 (Thinking) maintains steady performance, while Spark-X1 often struggles with clarity and logical flow.

Mathematical Reasoning Comparison

Both models are inadequate in reasoning and computation, frequently failing and unable to handle practical analytical tasks.