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.
- Claude Sonnet 5.5AnthropicRemove
- Muse Spark OpenMetaRemove
- Gemini 4 ArgonGoogleRemove
- Hy4 previewTencentRemove
4 is the maximum. Remove one to add another.
| Attribute | Claude Sonnet 5.5claude-sonnet-5.5 | Muse Spark Openmuse-spark-open | Gemini 4 Argongemini-4-argon | Hy4 previewhy4-preview |
|---|---|---|---|---|
| Pricing | ||||
| Input | $2.00 / 1M | $1.25 / 1M | $2.00 / 1M | $0.834 / 1M |
| Output | $10.00 / 1M | $4.25 / 1M | $10.00 / 1M | $2.50 / 1M |
| Cache Write (5m) | $2.50 / 1M | $1.25 / 1M | $2.00 / 1M | $0.834 / 1M |
| Cache Write (1h) | $4.00 / 1M | $1.25 / 1M | $2.00 / 1M | $0.834 / 1M |
| Cache Read | $0.10 / 1M | $1.25 / 1M | $2.00 / 1M | $0.834 / 1M |
| Web Search | $0 / 1M | $0 / 1M | $0 / 1M | $0 / 1M |
| Context | ||||
| Max context | 1M | 1M | 1M | 1M |
| Max output | N/A | N/A | N/A | N/A |
| Capabilities | ||||
| Vision | Yes | Yes | Yes | Yes |
| Function Calling | Yes | Yes | Yes | Yes |
| JSON Mode | Yes | Yes | Yes | Yes |
| Streaming | Yes | Yes | Yes | Yes |
| Catalogue | ||||
| Provider | Anthropic | Meta | Tencent | |
| Category | chat | chat | chat | chat |
| Charge type | Pay As You Go | Pay As You Go | 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. | Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. Google trained it to keep context across long, multi-step tasks and to turn long documents mixing text, tables, charts and images into a single grounded output. It leads the Vals Index across finance, legal, coding and tax work, and supports long decode of up to 1M output tokens in a single response. | Tencent Hy4 Preview is a Mixture-of-Experts (MoE) model from Tencent, featuring 770B total parameters with 49B activated per token. It is designed for coding agents, complex tool-driven workflows, and professional productivity tasks that require strong planning and reliable execution. Optimized for context continuity and sustained multi-step work, Hy4 Preview is well suited for long-horizon coding, agentic automation, tool orchestration, and complex real-world workflows. |