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 | Claude Sonnet 5.5claude-sonnet-5.5 | Muse Spark Openmuse-spark-open | mai-ds-r1:freeNot in the catalogue |
|---|---|---|---|
| Pricing | |||
| Input | $2.00 / 1M | $1.25 / 1M | — |
| Output | $10.00 / 1M | $4.25 / 1M | — |
| Cache Write (5m) | $2.50 / 1M | $1.25 / 1M | — |
| Cache Write (1h) | $4.00 / 1M | $1.25 / 1M | — |
| Cache Read | $0.10 / 1M | $1.25 / 1M | — |
| Web Search | $0 / 1M | $0 / 1M | — |
| Context | |||
| Max context | 1M | 1M | — |
| Max output | N/A | N/A | — |
| Capabilities | |||
| Vision | Yes | Yes | — |
| Function Calling | Yes | Yes | — |
| JSON Mode | Yes | Yes | — |
| Streaming | Yes | Yes | — |
| Catalogue | |||
| Provider | Anthropic | Meta | — |
| Category | chat | chat | — |
| Charge type | Pay As You Go | Pay As You Go | — |
| Released | — | — | — |
| Description | |||
| Summary | Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, serving as a direct upgrade to Sonnet 5. It excels at feature development, bug fixing, and creating polished documents, presentations, and spreadsheets, while offering clearer writing and communication than its predecessor. | 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. | — |