Claude 4.5 Opus vs GPT-4 Turbo Preview
Claude 4.5 Opus is cheaper on output tokens, while Claude 4.5 Opus offers a larger context window. Choose Claude 4.5 Opus or GPT-4 Turbo Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude 4.5 Opus | GPT-4 Turbo Preview |
|---|---|---|
| Provider | AI/ML API | OpenAI |
| Input / 1M tokens | $5.29 | $10.00 |
| Output / 1M tokens | $26.45 | $30.00 |
| Context window | 200K | 128K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Nov 2025 | — |
| SWE-bench Verified score | 76.8 | — |
| LMArena (Chatbot Arena) Elo score | — | 1263 |
FAQ
Is Claude 4.5 Opus or GPT-4 Turbo Preview cheaper?
Claude 4.5 Opus is cheaper on output tokens ($26.45 vs $30.00 per 1M).
Which has the larger context window, Claude 4.5 Opus or GPT-4 Turbo Preview?
Claude 4.5 Opus has the larger context window (200K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.