GPT-5.4
vs
OpenAI's GPT family of large language models (flagship, mini and nano tiers). The most widely deployed LLM line, strong across general reasoning, coding and tool use.
Strengths
- ✓Broad ecosystem and tooling
- ✓Strong general-purpose performance
- ✓Wide tier range from nano to flagship
- ✓Mature function-calling and structured output
Weaknesses
- ✕Pricing varies sharply across tiers
- ✕Conservative content moderation
- ✕Reasoning tiers can be slow and costly