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 | Muse Spark Openmuse-spark-open | GPT Image 2 (OpenAI direct)gpt-image-2-openai |
|---|---|---|
| Pricing | ||
| Input | $1.25 / 1M | $2.50 / 1M |
| Output | $4.25 / 1M | $15.00 / 1M |
| Cache Write (5m) | $1.25 / 1M | Not applicable |
| Cache Write (1h) | $1.25 / 1M | Not applicable |
| Cache Read | $1.25 / 1M | Not applicable |
| Web Search | $0 / 1M | — |
| Context | ||
| Max context | 1M | 272K |
| Max output | N/A | N/A |
| Capabilities | ||
| Vision | Yes | Yes |
| Function Calling | Yes | No |
| JSON Mode | Yes | No |
| Streaming | Yes | No |
| Catalogue | ||
| Provider | Meta | OpenAI |
| Category | chat | image |
| Charge type | Pay As You Go | Pay As You Go |
| Released | — | — |
| Description | ||
| Summary | 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. | Served by OpenAI directly. GPT Image 2 combines OpenAI's GPT-5.4 with advanced image generation capabilities from GPT Image 2, enabling fully integrated multimodal workflows. It allows users to seamlessly transition between reasoning, coding, and visual generation within a single interaction, making it well suited for creative, development, and agent-driven applications that require both intelligence and visual output. Billed by tokens at OpenAI's price: text input US$5, image input US$8 and image output US$30 per 1M tokens. |