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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.
| Attribute | Veo 3 Fastveo3-fast | Hy4 previewhy4-preview |
|---|---|---|
| Pricing | ||
| Request | $1.26 / request | — |
| Billing | Pay Per Request | — |
| Cache Write (5m) | Not applicable | $0.834 / 1M |
| Cache Write (1h) | Not applicable | $0.834 / 1M |
| Cache Read | Not applicable | $0.834 / 1M |
| Input | — | $0.834 / 1M |
| Output | — | $2.50 / 1M |
| Web Search | — | $0 / 1M |
| Context | ||
| Max context | N/A | 1M |
| Max output | N/A | N/A |
| Capabilities | ||
| Vision | No | Yes |
| Function Calling | No | Yes |
| JSON Mode | No | Yes |
| Streaming | No | Yes |
| Catalogue | ||
| Provider | Tencent | |
| Category | video | chat |
| Charge type | Pay Per Request | Pay As You Go |
| Released | — | — |
| Description | ||
| Summary | — | 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. |