model
GPT-5.4
The most capable general-purpose LLM but expensive with ecosystem lock-in
8.9Overall
Utility10
Onboarding8
Craft9
Niche fit8
Longevity9
Five dimensions scored independently; overall is a weighted average. Scores are only comparable within this same rubric.
Good for
Enterprise apps needing top performance with budget
Not for
Cost-sensitive projects or fully open-source needs
Project description
OpenAI's latest flagship model (March 2026). Record scores on OSWorld-Verified and WebArena benchmarks, 83% GDPval. Best all-rounder with largest ecosystem. $2.50/$15 per M tokens.
Alternatives
Claude 4Gemini UltraLlama 3-400B