← Back to all comparisons
Side-by-side
Sonar Pro vs Claude Haiku 4.5
Perplexity vs Anthropic — head-to-head specs and pricing.
Perplexity
Sonar Pro
Online LLM with live citations.
Perplexity Sonar Pro — a chat model with live web search and inline source citations.
Anthropic
Claude Haiku 4.5
Fast and cheap from Anthropic.
Haiku is Anthropic's small model — optimized for throughput and cost.
| Spec | Sonar Pro | Claude Haiku 4.5 |
|---|---|---|
| Provider | Perplexity | Anthropic |
| Input cost / 1M tokens | $3.60 | $0.96 |
| Output cost / 1M tokens | $18.00 | $4.80 |
| Context window | 200,000 tokens | 200,000 tokens |
| Max output tokens | — | 8,000 |
| Streaming support | ✓ | ✓ |
| Tool calling | — | ✓ |
| Vision input | — | — |
| JSON mode | — | — |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates Perplexity, Anthropic, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.
More comparisons: