Claude Opus 5 vs GPT-4 Turbo Preview
Claude Opus 5 is cheaper on output tokens, while Claude Opus 5 offers a larger context window. Choose Claude Opus 5 or GPT-4 Turbo Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 5 | GPT-4 Turbo Preview |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input / 1M tokens | $5.00 | $10.00 |
| Output / 1M tokens | $25.00 | $30.00 |
| Context window | 1M | 128K |
| Parameters | — | — |
| Open weights | — | — |
| Released | — | — |
| LMArena (Chatbot Arena) Elo score | 1509 | 1263 |
| GPQA Diamond score | 93.9 | — |
| Epoch Capabilities Index score | 164 | — |
| LMArena WebDev Elo score | 1689 | — |
| LMArena Vision Elo score | 1320 | — |
FAQ
Is Claude Opus 5 or GPT-4 Turbo Preview cheaper?
Claude Opus 5 is cheaper on output tokens ($25.00 vs $30.00 per 1M).
Which has the larger context window, Claude Opus 5 or GPT-4 Turbo Preview?
Claude Opus 5 has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.