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 Opus 4.5 | GPT-4.5 | |
|---|---|---|
Web Site
| ||
Provider
| ||
Chat
| ||
Release Date
| ||
Modalities
| text images | text images |
API Providers
| Anthropic API, Amazon Bedrock, Google Vertex AI, Claude developer platform | OpenAI, Azure OpenAI Service |
Knowledge Cut-off Date
| Unknown | 2023-10 |
Open Source
| No | No |
Pricing Input
| $5 per million tokens | $75.00 per million tokens |
Pricing Output
| $25 per million tokens | $150.00 per million tokens |
MMLU
| 90.8% Source | Not available |
MMLU-Pro
| - | Not available |
MMMU
| 80.7% Validation Source | 74.4% Source |
HellaSwag
| - | Not available |
HumanEval
| - | Not available |
MATH
| - | Not available |
GPQA
| 87% Diamond Source | 71.4% science Source |
IFEval
| - | Not available |
SimpleQA
| - | - |
AIME 2024 | - | - |
AIME 2025 | 92.77% Source | - |
Aider Polyglot
| - | - |
LiveCodeBench v5
| - | - |
Global MMLU (Lite)
| - | - |
MathVista
| - | - |
Mobile Application |
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