AI model comparison
Hy4 preview vs DeepSeek V4 Pro 0813
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Tencent
Hy4 preview
Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.
- Input / 1M
- $0.75
- Output / 1M
- $2.25
- Context
- 1.05M
DeepSeek
DeepSeek V4 Pro 0813
DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek.
- Input / 1M
- $0.66
- Output / 1M
- $1.98
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
DeepSeek V4 Pro 0813
1.1x cheaper for a typical chat
Higher intelligence score
Tie
Not enough benchmark data
Larger context window
Tie
1.05M vs 1.05M tokens
Newer release
Hy4 preview
Released August 28, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Coding index
Agentic index
Pricing
Hy4 preview vs DeepSeek V4 Pro 0813 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Input tokensPer 1M tokens | $0.75 | $0.66 |
| Output tokensPer 1M tokens | $2.25 | $1.98 |
| Cached input (read)Per 1M tokens | $0.04 | $0.02 |
| Cache writePer 1M tokens | Not available | Not available |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Coding task
30K in, 4K out
Long document summary
150K in, 2K out
Specs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | ||
|---|---|---|
| Context window | 1.05M tokens | 1.05M tokens |
| Max output | 64K tokens | 393K tokens |
| Input types | Text | Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Low, None | Max, High, Low |
| Default reasoning effort | High | High |
| Release date | August 28, 2026 | August 12, 2026 |
Features
Supported features
API features available for each model.
| Metric | ||
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Our take
DeepSeek V4 Pro 0813 is 1.1x cheaper for a typical chat. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Hy4 preview or DeepSeek V4 Pro 0813 cheaper?
DeepSeek V4 Pro 0813 is cheaper for a typical chat (2K input tokens and 500 output tokens). DeepSeek V4 Pro 0813 costs $0.66 per 1M input tokens and $1.98 per 1M output tokens, while Hy4 preview costs $0.75 per 1M input tokens and $2.25 per 1M output tokens.
Which has a bigger context window, Hy4 preview or DeepSeek V4 Pro 0813?
Hy4 preview supports up to 1.05M tokens of context, compared with 1.05M for DeepSeek V4 Pro 0813.
Can I use Hy4 preview and DeepSeek V4 Pro 0813 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Hy4 preview and DeepSeek V4 Pro 0813 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Hy4 preview and DeepSeek V4 Pro 0813 at the same time. Compare the answers side by side and keep the best one.