Anthropic: Claude Haiku 4.5 vs Perplexity: Sonar Deep Research
Side-by-side comparison of Anthropic: Claude Haiku 4.5 and Perplexity: Sonar Deep Research. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceAnthropic: Claude Haiku 4.5 leads overall
Anthropic: Claude Haiku 4.5 leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. Perplexity: Sonar Deep Research remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude Haiku 4.5
Best for with Perplexity: Sonar Deep Research
Side-by-side
Technical specifications
| Anthropic: Claude Haiku 4.5 | Perplexity: Sonar Deep Research | |
|---|---|---|
| Provider | Anthropic | Perplexity |
| Input price | $1/M | $2/M |
| Output price | $5/M | $8/M |
| Context window | 200K | 128K |
| Max output | 64K | N/A |
| Capabilities | Tool useVisionReasoning | Reasoning |
| Released | Oct 15, 2025 | Mar 7, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude Haiku 4.5 leadsAnthropic: Claude Haiku 4.5
$5/M tokens
Perplexity: Sonar Deep Research
$8/M tokens
Context Window
Anthropic: Claude Haiku 4.5 leadsAnthropic: Claude Haiku 4.5
200K tokens
Perplexity: Sonar Deep Research
128K tokens
Capabilities
Anthropic: Claude Haiku 4.5 leadsAnthropic: Claude Haiku 4.5
3/4
Perplexity: Sonar Deep Research
1/4
Max Output
Anthropic: Claude Haiku 4.5 leadsAnthropic: Claude Haiku 4.5
64K tokens
Perplexity: Sonar Deep Research
N/A
Recency
Anthropic: Claude Haiku 4.5
Oct 2025
Perplexity: Sonar Deep Research
Mar 2025
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