OpenAI: GPT-5.4
6.9 / 10
1.1M context
Proprietary
About this model
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
Benchmark Scores
HLE
52.1
GPQA-Diamond
92.8
SWE-Bench-Pro
57.7
Terminal-Bench-2.1
75.1
Technical Specs
- Architecture: text+image+file->text
- Context Window: 1,050,000 tokens
- Input Modalities: text
Hardware Requirements
- API-only (no local hardware needed)
Pricing
| Input | Output | Currency |
|---|---|---|
| 2.5 / 1M tokens | 15.0 / 1M tokens | USD |