Claude Opus 4.5 vs R1 1776
Anthropic vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •R1 1776 has the higher intelligence index (95.4 vs 88)
- •R1 1776 is cheaper ($0.00 vs $5.00 per 1M input)
| Claude Opus 4.5 | R1 1776 | |
|---|---|---|
| Intelligence index | 88 | 95.4 |
| Developer | Anthropic | Perplexity |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 200,000 tokens | — |
| Input price | $5.00 / 1M | $0.00 / 1M |
| Output price | $25.00 / 1M | $0.00 / 1M |
| Speed | 58 tok/s | — |
| Released | November 24, 2025 | February 18, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |