OpenAI's newest GPT-4.5 model, released on February 27, 2025, is a groundbreaking AI with 12.8 trillion parameters and a 128K-token context window. It features advanced general knowledge, enhanced emotional intelligence, multimodal input processing (text and image),sophisticated function calling, and real-time streaming responses. Initially rolled out for ChatGPT Pro users, with later availability for Plus and Team subscribers, it delivers responses at approximately 37 tokens per second, making it an excellent choice for tasks requiring high-level reasoning and emotional depth.
| Claude Sonnet 4 | GPT-4.5 | |
|---|---|---|
Provider | ||
Web Site | ||
Release Date | May 22, 2025 3 days ago | Feb 27, 2025 2 months ago |
Modalities | text images | text images |
API Providers | Anthropic API, Amazon Bedrock, Google Cloud's Vertex AI | OpenAI, Azure OpenAI Service |
Knowledge Cut-off Date | Unknown | 2023-10 |
Open Source | No | No |
Pricing Input | $3 per million tokens | $75.00 per million tokens |
Pricing Output | $15 per million tokens | $150.00 per million tokens |
MMLU | 86.5% Source | Not available |
MMLU Pro | - | Not available |
MMMU | 74.4% Source | 74.4% Source |
HellaSwag | - | Not available |
HumanEval | - | Not available |
MATH | - | Not available |
GPQA | 75.4% Diamond Source | 71.4% science Source |
IFEval | - | Not available |
Array | - | - |
AIME 2024 | - | - |
AIME 2025 | 75.5% Source | - |
Array | - | - |
Array | - | - |
Array | - | - |
Array | - | - |
Mobile Application |
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