Grok 3 is xAI's most advanced model, trained on the Colossus supercluster with 10 times the computational power of previous state-of-the-art models. It boasts a 1M-token context window and advanced reasoning capabilities, enhanced through large-scale reinforcement learning, enabling deep thought processes ranging from seconds to minutes for solving complex problems. The model achieves top-tier performance across academic benchmarks and real-world user evaluations, earning an Elo score of 1402 in the Chatbot Arena. It was released alongside Grok 3 Mini, a cost-efficient variant optimized for streamlined reasoning.
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.
| Grok 3 Beta | GPT-4.5 | |
|---|---|---|
Provider | ||
Web Site | ||
Release Date | Jan 19, 2025 3 months ago | Feb 27, 2025 1 month ago |
Modalities | text images video | text images |
API Providers | xAI | OpenAI, Azure OpenAI Service |
Knowledge Cut-off Date | 2025-01 | 2023-10 |
Open Source | No | No |
Pricing Input | Not available | $75.00 per million tokens |
Pricing Output | Not available | $150.00 per million tokens |
MMLU | Not available | Not available |
MMLU Pro | 79.9% Base model Source | Not available |
MMMU | 78% With Think mode Source | 74.4% Source |
HellaSwag | Not available | Not available |
HumanEval | Not available | Not available |
MATH | Not available | Not available |
GPQA | 84.6% With Think mode, Diamond Source | 71.4% science Source |
IFEval | Not available | Not available |
Mobile Application |
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