Analysis and notes by AI:

> Based on the provided source, here is a chart comparing the features of GPT-4 and GPT-4 Turbo:

| Feature | GPT-4 | GPT-4 Turbo |
|————————–|——————————|——————————|
| **Release Date** | March 2023 | November 2023 |
| **Cost** | More expensive | Cheaper |
| **Speed** | Standard | Faster |
| **Context Length** | 128k tokens | 128k tokens |
| **Availability** | Available to ChatGPT Plus users | Available to ChatGPT Plus users |
| **Usage** | General-purpose AI model | Optimized for cost and speed |

> The chart highlights the key differences and similarities between GPT-4 and GPT-4 Turbo, focusing on aspects such as cost, speed, and context length[1].

> Sources
* [1] [flip.it/Q8N-c7](https://flip.it/Q8N-c7)