+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Claude Sonnet 4.5 vs DeepSeek-R1-0528
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 19.7% higher average benchmark score. Claude Sonnet 4.5 offers 1.9K more tokens in context window than DeepSeek-R1-0528. DeepSeek-R1-0528 is $15.35 cheaper per million tokens. Claude Sonnet 4.5 supports multimodal inputs. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
+
+
+
+
Anthropic
Claude Sonnet 4.5 was developed to bridge human thinking and machine assistance, allowing people to work with language and tools in a more conversational and natural way. Built with a focus on turning ideas into results, it represents an evolution in making AI feel less mechanical while maintaining strong capabilities across reasoning, coding, and collaborative tasks.
+
+
+
+
DeepSeek
DeepSeek-R1-0528 represents a specific release iteration of the DeepSeek-R1 model, developed to incorporate refinements and improvements from ongoing training. Built to provide enhanced reasoning capabilities based on accumulated insights, it continues the evolution of DeepSeek's reasoning-focused architecture.
4 months newer
DeepSeek-R1-0528
DeepSeek
2025-05-28
Claude Sonnet 4.5
Anthropic
2025-09-29
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
Claude Sonnet 4.5
Input:$3.00
Output:$15.00
+
+
+
+
DeepSeek-R1-0528
Input:$0.50
Output:$2.15($15.35 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
+
+
+
+
Claude Sonnet 4.5
Average Score:74.4%(+19.7%)
+
+
+
+
DeepSeek-R1-0528
Average Score:54.7%
Performance comparison across key benchmark categories
+
+
+
+
Claude Sonnet 4.5
Coding77.2%(+32.6%)
+
+
+
+
DeepSeek-R1-0528
Coding44.6%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Claude Sonnet 4.5
2 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
+
+
+
+
+
+
+
+
Claude Sonnet 4.5
Avg Score:74.4%(+19.7%)
Providers:2
+
+
+
+
DeepSeek-R1-0528
Avg Score:54.7%
Providers:3