Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 30.0% higher average benchmark score. Claude 3 Haiku offers 267.9K more tokens in context window than GPT-4.5. Claude 3 Haiku is $223.50 cheaper per million tokens. Claude 3 Haiku is available on 3 providers. Overall, GPT-4.5 is the stronger choice for coding tasks.
Anthropic
Claude 3 Haiku is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 71.5% across 10 benchmarks. It excels particularly in ARC-C (89.2%), GSM8k (88.9%), HellaSwag (85.9%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Anthropic's latest advancement in AI technology.
OpenAI
GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 27 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). It supports a 132K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
11 months newer
Claude 3 Haiku
Anthropic
2024-03-13
GPT-4.5
OpenAI
2025-02-27
Cost per million tokens (USD)
Claude 3 Haiku
GPT-4.5
Context window and performance specifications
Average performance across 33 common benchmarks
Claude 3 Haiku
GPT-4.5
Available providers and their performance metrics
Claude 3 Haiku
Anthropic
Bedrock
Claude 3 Haiku
GPT-4.5
Claude 3 Haiku
GPT-4.5
GPT-4.5
OpenAI