GPT-5.4 nano vs Claude Opus 4.5: pricing, specs & reviews compared
Side-by-side comparison of GPT-5.4 nano (openai) and Claude Opus 4.5 (anthropic) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.
| Spec | GPT-5.4 nano | Claude Opus 4.5 |
|---|---|---|
| Provider | openai | anthropic |
| License | closed | closed |
| Parameters | — | — |
| Context | 200k | 200k |
| Input price / M tok | $0.05 | $15 |
| Output price / M tok | $0.2 | $75 |
| Rating | 0.0 (0) | 0.0 (0) |