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.
Amazon Nova Micro is a text-only model optimized for cost and speed. With a context window of 128K tokens, it excels at tasks like text summarization, translation, interactive chat, and basic coding. Released as part of the Amazon Nova foundation models, it supports fine-tuning and distillation for customization on proprietary data.
| GPT-4.5 | Nova Micro | |
|---|---|---|
Web Site
| ||
Provider
| ||
Chat
| ||
Release Date
| ||
Modalities
| text images | text |
API Providers
| OpenAI, Azure OpenAI Service | Amazon Bedrock |
Knowledge Cut-off Date
| 2023-10 | Purposefully not disclosed |
Open Source
| No | No |
Pricing Input
| $75.00 per million tokens | $0.04 per million tokens |
Pricing Output
| $150.00 per million tokens | $0.14 per million tokens |
MMLU
| Not available | 77.6% CoT Source |
MMLU-Pro
| Not available | - |
MMMU
| 74.4% Source | - |
HellaSwag
| Not available | - |
HumanEval
| Not available | 81.1% pass@1 Source |
MATH
| Not available | 69.3% CoT Source |
GPQA
| 71.4% science Source | 40% Main Source |
IFEval
| Not available | 87.2% Source |
SimpleQA
| - | - |
AIME 2024 | - | - |
AIME 2025 | - | - |
Aider Polyglot
| - | - |
LiveCodeBench v5
| - | - |
Global MMLU (Lite)
| - | - |
MathVista
| - | - |
Mobile Application | - |
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