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 | Gemini 3 Pro Image Previewgemini-3-pro-image-preview | GPT-6 Astragpt-6-astra | Hy4 previewhy4-preview |
|---|---|---|---|
| Pricing | |||
| Request | $0.50 / request | — | — |
| Billing | Pay Per Request | — | — |
| Cache Write (5m) | Not applicable | $10.00 / 1M | $0.834 / 1M |
| Cache Write (1h) | Not applicable | $10.00 / 1M | $0.834 / 1M |
| Cache Read | Not applicable | $10.00 / 1M | $0.834 / 1M |
| Input | — | $10.00 / 1M | $0.834 / 1M |
| Output | — | $50.00 / 1M | $2.50 / 1M |
| Web Search | — | $0 / 1M | $0 / 1M |
| Context | |||
| Max context | N/A | 1M | 1M |
| Max output | N/A | N/A | N/A |
| Capabilities | |||
| Vision | Yes | Yes | Yes |
| Function Calling | Yes | Yes | Yes |
| JSON Mode | No | Yes | Yes |
| Streaming | No | Yes | Yes |
| Catalogue | |||
| Provider | OpenAI | Tencent | |
| Category | image | chat | chat |
| Charge type | Pay Per Request | Pay As You Go | Pay As You Go |
| Released | — | — | — |
| Description | |||
| Summary | Nano Banana Pro is Google's most advanced image-generation and editing model, built on Gemini 3 Pro. It delivers stronger multimodal reasoning, real-world grounding, and highly detailed visuals, producing everything from diagrams and infographics to cinematic scenes. It excels at text-in-image rendering, identity consistency, and multi-image blending, while supporting precise creative controls (localized edits, lighting, camera shifts) plus 2K/4K output and flexible aspect ratios — making it suitable for professional design and complex visual composition. | GPT-6 Astra is OpenAI's flagship model for demanding end-to-end professional work, designed for advanced analysis, software engineering, deep research, scientific tasks, and document creation. It is particularly strong in long-horizon agentic workflows, including tasks that require sustained reasoning, tool orchestration, and computer and browser use, making it well suited for complex autonomous workflows and production-grade knowledge work. | 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. |