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 | 6.9 |
| Spark-X1 | iFLYTEK | April 20, 2025 | N/A | 6.6 |
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
Claude Sonnet 4.5 (Thinking) has some limitations but remains functional for simple tasks. Spark-X1 frequently fails and is ineffective for meaningful reasoning.





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