+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Claude Sonnet 4.5 vs GPT-4 Turbo
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 15.2% higher average benchmark score. Claude Sonnet 4.5 offers 131.9K more tokens in context window than GPT-4 Turbo. Claude Sonnet 4.5 is $22.00 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 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 75.8% across 9 benchmarks. It excels particularly in MMMLU (89.1%), AIME 2025 (87.0%), TAU-bench Retail (86.2%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
+
+
+
+
OpenAI
GPT-4 Turbo is a language model developed by OpenAI. It achieves strong performance with an average score of 78.1% across 6 benchmarks. It excels particularly in MGSM (88.5%), HumanEval (87.1%), MMLU (86.5%). It supports a 132K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
1 year newer
GPT-4 Turbo
OpenAI
2024-04-09
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($22.00 cheaper)
+
+
+
+
GPT-4 Turbo
Input:$10.00
Output:$30.00
Performance Metrics
Context window and performance specifications
Average performance across 14 common benchmarks
+
+
+
+
Claude Sonnet 4.5
Average Score:48.7%(+15.2%)
+
+
+
+
GPT-4 Turbo
Average Score:33.5%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
GPT-4 Turbo
2023-12-31
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:48.7%(+15.2%)
Providers:2
+
+
+
+
GPT-4 Turbo
Avg Score:33.5%
Providers:2