Compare models
Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.
| Attribute | Sonar Pro Searchsonar-pro-search | Muse Spark Openmuse-spark-open |
|---|---|---|
| Pricing | ||
| Input | $3.75 / 1M | $1.25 / 1M |
| Output | $18.75 / 1M | $4.25 / 1M |
| Cache Write (5m) | $3.75 / 1M | $1.25 / 1M |
| Cache Write (1h) | $3.75 / 1M | $1.25 / 1M |
| Cache Read | $3.75 / 1M | $1.25 / 1M |
| Web Search | $0 / 1M | $0 / 1M |
| Context | ||
| Max context | 200K | 1M |
| Max output | N/A | N/A |
| Capabilities | ||
| Vision | Yes | Yes |
| Function Calling | Yes | Yes |
| JSON Mode | Yes | Yes |
| Streaming | Yes | Yes |
| Catalogue | ||
| Provider | Perplexity | Meta |
| Category | chat | chat |
| Charge type | Pay As You Go | Pay As You Go |
| Released | — | — |
| Description | ||
| Summary | Sonar Pro Search is Perplexity's most advanced agentic search system, available only via OpenRouter. It powers the Pro Search mode on Perplexity, adding autonomous multi-step research workflows instead of single-query answers. Pricing combines token costs with a per-request fee. | Muse Spark Open is an open-weight, coding-optimized model designed for agentic software engineering workflows. It delivers strong first-attempt accuracy, reliable tool calling, and deep codebase understanding, enabling effective development across real-world repositories. Optimized for autonomous coding agents, complex code navigation, and tool-driven development, Muse Spark Open is well suited for software engineering automation, debugging, code generation, and multi-step coding workflows where accuracy and reliable execution are essential. |