Claude Haiku 4.5 vs GPT-5.4 nano: pricing, specs & reviews compared

Side-by-side comparison of Claude Haiku 4.5 (anthropic) and GPT-5.4 nano (openai) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.

SpecClaude Haiku 4.5GPT-5.4 nano
Provideranthropicopenai
Licenseclosedclosed
Parameters
Context200k200k
Input price / M tok$0.8$0.05
Output price / M tok$4$0.2
Rating0.0 (0)0.0 (0)