Very long inputs
Choose GPT-4.5 Preview
GPT-4.5 Preview reads up to 128k tokens per request, against 16k for Aya Vision 32B.
Aya Vision 32B vs GPT-4.5 Preview: price, context and capabilities
Choose Aya Vision 32B for self-hosting and data control and the latest release. Choose GPT-4.5 Preview for very long inputs.
In short
- A price comparison is not possible: one of them has no comparable published price.
- GPT-4.5 Preview reads more per request: 128k tokens against 16k.
- Aya Vision 32B is the newer model (March 2025, against Feb 27, 2025).
- Only Aya Vision 32B offers self-hostable.
- Only GPT-4.5 Preview offers tool calling, structured output, batch api.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Self-hosting and data control
Choose Aya Vision 32B
Aya Vision 32B has open weights, so you can run it on your own servers; GPT-4.5 Preview is only available through its provider.
Latest release
Choose Aya Vision 32B
Aya Vision 32B is the newer release (March 2025, against Feb 27, 2025 for GPT-4.5 Preview).
Specifications side by side
| Aya Vision 32B | GPT-4.5 Preview | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Category | Language models | Language models |
| Status | Generally available | Deprecated |
| Headline price | No data | No data |
| Input | No data | No data |
| Output | No data | No data |
| Cached input | No data | No data |
| Context window | 16k | 128k |
| Max output | No data | 16k |
| Released | March 2025 | Feb 27, 2025 |
| Knowledge cutoff | No data | October 2023 |
| Licence | Open weights | Proprietary |
| Capabilities | Vision, Self-hostable | Vision, Tool calling, Structured output, Batch API |
| API model id | c4ai-aya-vision-32b | gpt-4.5-preview |
Frequently asked questions
Should I choose Aya Vision 32B or GPT-4.5 Preview?
Choose Aya Vision 32B for self-hosting and data control and the latest release. Choose GPT-4.5 Preview for very long inputs.
Which is cheaper, Aya Vision 32B or GPT-4.5 Preview?
A price comparison is not possible: one of them has no comparable published price.
Which has the larger context window, Aya Vision 32B or GPT-4.5 Preview?
GPT-4.5 Preview reads more per request: 128k tokens against 16k.
What is the difference between Aya Vision 32B and GPT-4.5 Preview?
Aya Vision 32B is made by Cohere and GPT-4.5 Preview by OpenAI. A price comparison is not possible: one of them has no comparable published price. GPT-4.5 Preview reads more per request: 128k tokens against 16k. Aya Vision 32B is the newer model (March 2025, against Feb 27, 2025). Only Aya Vision 32B offers self-hostable. Only GPT-4.5 Preview offers tool calling, structured output, batch api.
Which is newer, Aya Vision 32B or GPT-4.5 Preview?
Aya Vision 32B was released on March 2025 and GPT-4.5 Preview on Feb 27, 2025.