 ChatGPT-4o |  Command A | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | Cohere |
Input Context Window Maximum input tokens this model can process at once | 128K tokens | 256K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 16.4K tokens | 8.2K tokens |
Release Date When this model first became publicly available | August 14, 2024 1 year ago August 14th, 2024 | March 13, 2025 9 months ago March 13th, 2025 |
ChatGPT-4o | Command A | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image | 📝Text |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Other |
Key Features Advanced capabilities | Function Calling✓Structured OutputReasoning Mode✓Content Moderation | Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
| ChatGPT-4o | Command A | |
|---|---|---|
Input Token Cost Cost per million input tokens | $5.00 per million tokens | $2.50 per million tokens |
Output Token Cost Cost per million outut tokens | $15.00 per million tokens | $10.00 per million tokens |
| ChatGPT-4o | Command A | |
|---|---|---|
MMLU Measures knowledge across 57 subjects like law, math, history, and science | Benchmark not available. | Benchmark not available. |
MMMU Measures understanding of combined text and images across various domains | Benchmark not available. | Benchmark not available. |
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations | Benchmark not available. | Benchmark not available. |
ChatGPT-4o by OpenAI understands both text and images, generates structured data. It can handle standard conversations with its 128K token context window. Premium pricing at $5.00/M input and $15.00/M output tokens. Includes built-in content moderation for safer outputs. Released August 14th, 2024.Command A by Cohere generates structured data. It can handle standard conversations with its 256K token context window. Reasonably priced at $2.50/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 13th, 2025.Compare your models with top performers across different categories
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