Model comparison
GPT-5.4 vs Command R+
OpenAI
GPT-5.4
OpenAI's flagship — broadest modality and ecosystem coverage.
Cohere
Command R+
Cohere's enterprise RAG specialist with clean tool calling.
Specs
| Metric | GPT-5.4 | Command R+ |
|---|---|---|
| Context window | 1.1M tokens↑ | 128K tokens |
| Input $/1M tokens | $2.50↑ | $2.50 |
| Output $/1M tokens | $15.00 | $10.00↑ |
| Modalities | Text · Image · File | Text |
| Open weights | No | Yes |
| Released | — | Apr 2024 |
Capability differences
| Capability | GPT-5.4 | Command R+ |
|---|---|---|
| Vision | Yes | No |
| Extended thinking | Yes | No |
| Prompt caching | Yes | No |
| Open weights | No | Yes |
Key differences
- —GPT-5.4 offers 1.1M context; Command R+ offers 128K.
- —Command R+ is open weights; GPT-5.4 is proprietary.