GPT-5.5 Instant vs R1 1776
OpenAI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •R1 1776 is cheaper ($0.00 vs $5.00 per 1M input)
| GPT-5.5 Instant | R1 1776 | |
|---|---|---|
| Intelligence index | — | 95.4 |
| Developer | OpenAI | Perplexity |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $5.00 / 1M | $0.00 / 1M |
| Output price | $30.00 / 1M | $0.00 / 1M |
| Speed | — | — |
| Released | May 5, 2026 | February 18, 2025 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |