SIDE BY SIDE
GPT-5.4 Mini vs gpt-oss-safeguard-20b
Both are GPT models. GPT-5.4 Mini was added to OpenRouter on 2026-03-17, gpt-oss-safeguard-20b on 2025-10-29.
| Field | GPT-5.4 Mini | gpt-oss-safeguard-20b |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Family | GPT | GPT |
| Province | Silvergrass Fields | Silvergrass Fields |
| Context window | 400K tokens | 131K tokens |
| Maximum output | 128K tokens | 66K tokens |
| Input / 1M tokens | $0.750 | $0.080 |
| Output / 1M tokens | $4.50 | $0.300 |
| Accepts | text, files, images | text |
| Produces | text | text |
| Reasoning | Yes | Yes |
| Tool use | Yes | Yes |
| Added to OpenRouter | 2026-03-17 | 2025-10-29 |
| Model ID | openai/gpt-5.4-mini | openai/gpt-oss-safeguard-20b |
Questions and answers
Which is cheaper, GPT-5.4 Mini or gpt-oss-safeguard-20b?
gpt-oss-safeguard-20b costs less for both input ($0.080 vs $0.750) and output ($0.300 vs $4.50) per million tokens. On input, gpt-oss-safeguard-20b is 89% cheaper.
Which has the larger context window?
GPT-5.4 Mini: 400K tokens against 131K for gpt-oss-safeguard-20b (3.1× as long).
What can one do that the other cannot?
Only GPT-5.4 Mini supports image input.
Answers are computed from the 2026-10-24 catalog snapshot.