Claude Opus 5 vs Claude Opus 4.8 Thinking
Both have similar output pricing. Choose Claude Opus 5 or Claude Opus 4.8 Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 5 | Claude Opus 4.8 Thinking |
|---|---|---|
| Provider | Anthropic | NanoGPT |
| Input / 1M tokens | $5.00 | $5.00 |
| Output / 1M tokens | $25.00 | $25.00 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | May 2026 |
| LMArena (Chatbot Arena) Elo score | 1507 | — |
| LMArena WebDev Elo score | 1690 | — |
| LMArena Vision Elo score | 1319 | — |
| GPQA Diamond score | 93.9 | — |
| Epoch Capabilities Index score | 163 | — |
| LiveBench score | — | 79.5 |
FAQ
Is Claude Opus 5 or Claude Opus 4.8 Thinking cheaper?
Claude Opus 5 and Claude Opus 4.8 Thinking have comparable output pricing.
Which has the larger context window, Claude Opus 5 or Claude Opus 4.8 Thinking?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.