Compare models
Put models side by side on price, context, capabilities, and benchmarks.
Sonar Deep Research is Perplexity's autonomous research model that performs multi-step web searches, reads many sources, and synthesizes long, well-cited reports. It is suited for comprehensive research tasks, literature-style summaries, and in-depth fact-finding that goes far beyond a single search query.
Claude Haiku 4.5 is Anthropic's fast, affordable small model in the Claude 4 generation, balancing strong instruction-following and coding ability with low latency. It is designed for high-throughput agentic and chat applications where speed and cost efficiency are priorities.
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.