Compare models
Put models side by side on price, context, capabilities, and benchmarks.
Sonar is Perplexity's fast, search-augmented language model that grounds answers in real-time web results with citations. It is designed for quick, factual question answering and up-to-date information retrieval rather than deep reasoning or creative tasks.
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.