AI model comparison
Hy4 preview vs Grok 4.6
Side by side comparison of Hy4 preview and Grok 4.6 on pricing, benchmark scores, context window, and more.
Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.
- Input / 1M
- $0.83
- Output / 1M
- $2.50
- Context
- 1.05M
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
- Input / 1M
- $2
- Output / 1M
- $6
- Context
- 500K
Comparing image generators? Compare image models
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Hy4 preview
2.4x cheaper for a typical chat
Higher intelligence score
Not available
Not enough benchmark data
Larger context window
Hy4 preview
1.05M vs 500K 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 Grok 4.6 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Input tokensPer 1M tokens | $0.83 | $2 |
| Output tokensPer 1M tokens | $2.50 | $6 |
| Cached input (read)Per 1M tokens | $0.04 | $0.50 |
| Cache writePer 1M tokens | Not available | Not available |
| Long-context pricingPer 1M tokens, for very long prompts | Same rate at any length | $4 in / $12 out above 200K |
| Web searchPer request | Not available | $0.005 |
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 | 500K tokens |
| Max output | 64K tokens | 450K tokens |
| Input types | Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Low, None | Extra high, High, Medium, 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 |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
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Our take
Hy4 preview is 2.4x cheaper for a typical chat. Hy4 preview has the larger context window (1.05M vs 500K tokens). 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 Grok 4.6 cheaper?
Hy4 preview is cheaper for a typical chat (2K input tokens and 500 output tokens). Hy4 preview costs $0.83 per 1M input tokens and $2.50 per 1M output tokens, while Grok 4.6 costs $2 per 1M input tokens and $6 per 1M output tokens.
Which has a bigger context window, Hy4 preview or Grok 4.6?
Hy4 preview supports up to 1.05M tokens of context, compared with 500K for Grok 4.6.
Can I use Hy4 preview and Grok 4.6 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Hy4 preview and Grok 4.6 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Hy4 preview and Grok 4.6 at the same time. Compare the answers side by side and keep the best one.