All comparisons
/// Compare
GPT-5 vs Claude Sonnet 4.5 — 2026 model selection.
A senior-engineering POV on GPT-5 vs Claude Sonnet 4.5 — what changes in 2026, where each wins, and which we'd default to for greenfield builds.
| Dimension | GPT-5 | Claude Sonnet 4.5 |
|---|---|---|
| Category leader | GPT-5 | Claude Sonnet 4.5 |
| Adoption in 2026 | Widespread | Strong niche |
| Hiring market | Broad | Focused |
| Learning curve | Moderate | Moderate |
/// Origami's take
GPT-5 for chat and voice surfaces. Claude Sonnet 4.5 for agents and long-context reasoning. Multi-model in production.