Model comparison
Llama 4 Scout vs GPT-5.4
Meta
Llama 4 Scout
Open-weights frontier with a headline 10M-token context.
OpenAI
GPT-5.4
OpenAI's flagship - broadest modality and ecosystem coverage.
Specs
| Metric | Llama 4 Scout | GPT-5.4 |
|---|---|---|
| Context window | 10M tokens↑ | 1.1M tokens |
| Input $/1M tokens | $0.080↑ | $2.50 |
| Output $/1M tokens | $0.300↑ | $15.00 |
| Modalities | Text · Image | Text · Image · File |
| Open weights | Yes | No |
| Released | Apr 2025 | Mar 2026 |
Capability differences
| Capability | Llama 4 Scout | GPT-5.4 |
|---|---|---|
| Extended thinking | No | Yes |
| Prompt caching | No | Yes |
| Open weights | Yes | No |
Key differences
- -Llama 4 Scout offers 10M context; GPT-5.4 offers 1.1M.
- -Input pricing: Llama 4 Scout at $0.080/1M vs GPT-5.4 at $2.50/1M.
- -Llama 4 Scout is open weights; GPT-5.4 is proprietary.