Stable Diffusion 3.5 Large vs Hy4 preview
At a Glance
| Compare |  Stable Diffusion 3.5 LargeStability AI |  Hy4 previewTencent |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $0.834Openrouter ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $2.501Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 0K | 1,000K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 2, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | stable-diffusion-3.5-large | Hy4 preview |
|---|---|---|
| Developer | Stability AI | Tencent |
| Family | Stable Diffusion 3 5 Large | Hy4 |
| Model | stable-diffusion-3.5-large | Hy4 preview |
| Version | stable-diffusion-3.5-large | Hy4 preview |
| Lifecycle | active | preview |
| Released | 2024-10-22 | 2026-08-28 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Image | Text |
| Context window | 0K | 1,000K |
| Total parameters | 8.1B | 770B |
| Active parameters | Unknown | 49B |
| License | other | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Hugging Face (Standard), Stability AI (Pay as you go) | Openrouter (Standard) |
| Capabilities | generation | chat, generation, reasoning, tools |
Stable Diffusion 3.5 Large Capabilities
Hy4 preview Capabilities
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
 GPT-6 AstraOpenAI | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
Claude Fable 5.1Anthropic | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
 Gemini 3.1 ProGoogle DeepMind | vs | stable-diffusion-3.5-largeStability AI | cross-developer peers |
 DeepSeek-V4.1-FlashDeepSeek | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
stable-diffusion-3.5-largeStability AI | vs | Grok 4.6xAI | cross-developer peersimage |
 Qwen3.8-MaxQwen | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
 Kimi-K3Moonshot AI | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
 MiniMax-M3MiniMax | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
stable-diffusion-3.5-largeStability AI | vs |  GLM-5.3Z.ai | cross-developer peers |
Seed 2.1 ProByteDance Seed | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
 Mistral Large 3Mistral AI | vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
| vs | stable-diffusion-3.5-largeStability AI | cross-developer peersimage |
Primary Evidence
Sources and Freshness
Questions
Stable Diffusion 3.5 Large vs Hy4 preview FAQs
Is Stable Diffusion 3.5 Large or Hy4 preview better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Stable Diffusion 3.5 Large and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Stable Diffusion 3.5 Large or Hy4 preview?+
Only Hy4 preview has a directly sourced input price: $0.834 per million tokens. Only Hy4 preview has a directly sourced output price: $2.501 per million tokens.
Which has a larger context window, Stable Diffusion 3.5 Large or Hy4 preview?+
Hy4 preview has the larger sourced context window. Stable Diffusion 3.5 Large supports 0K and Hy4 preview supports 1,000K.
Which performs better in benchmarks, Stable Diffusion 3.5 Large or Hy4 preview?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Stable Diffusion 3.5 Large or Hy4 preview be self-hosted?+
Both models have the same recorded self-hosting status: supported. Stable Diffusion 3.5 Large is open weight; Hy4 preview is open weight.
Can Stable Diffusion 3.5 Large and Hy4 preview understand images?+
Stable Diffusion 3.5 Large is not documented with image input; Hy4 preview is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Stable Diffusion 3.5 Large or Hy4 preview?+
Neither has a larger sourced maximum output. Stable Diffusion 3.5 Large is — and Hy4 preview is —.
Do Stable Diffusion 3.5 Large and Hy4 preview support reasoning and tool use?+
Stable Diffusion 3.5 Large: none of these features are definitively sourced. Hy4 preview: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Stable Diffusion 3.5 Large or Hy4 preview?+
Stable Diffusion 3.5 Large has 2 sourced provider routes; Hy4 preview has 1, so Stable Diffusion 3.5 Large has broader tracked availability.
Which offers better value, Stable Diffusion 3.5 Large or Hy4 preview?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.