GPT-5.4 Mini vs Jev
| OpenAI GPT-5.4 Mini | TypeSafe Jev | |
|---|---|---|
| Vendor | OpenAI | TypeSafe |
| Context window | 400,000 | 64,000 |
| Max output | 128,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | No |
| Input | text, image | text |
| Output | text | text |
| Released | 2026-03-17 | 2026-09-15 |