Grok 4.5 vs Hy3 preview
API pricing, context window and capabilities for Grok 4.5 and Hy3 preview, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGrok 4.5 wins on intelligence and on context window. Hy3 preview wins on price. Benchmark data is unavailable for one or both models.
Price
Hy3 preview
Terminal-Bench
Not called
Intelligence
Grok 4.5
Context window
Grok 4.5
Key takeaways
who wins on what, from the published numbersGrok 4.5 wins
- Larger context window (500K vs 262K)
- Higher max output (500K vs 236K)
- More serving providers (3 vs 1)
- Supports vision
- Supports structured output
- Has web search
Hy3 preview wins
- Cheaper input ($2.00 vs $0.18 /1M)
- Cheaper output ($6.00 vs $0.60 /1M)
Cheaper overall
Hy3 preview
$0.18 + $0.60 /1M
Larger context
Grok 4.5
500K
More providers
Grok 4.5
3 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| Grok 4.5 | Hy3 preview | |
|---|---|---|
| Input $/1M | $2.00via xAI | $0.18OpenRouter routed quote best |
| Output $/1M | $6.00via xAI | $0.60OpenRouter routed quote best |
| Context window | 500K best | 262K |
| Max output | 500K best | 236K |
| Serving providers | 3 best | 1 |
| Date | Released Jul 7, 2026 | Released Apr 20, 2026 |
Benchmarks
Benchmark scores, side by side| Grok 4.5 | Hy3 preview | |
|---|---|---|
| Intelligence | 38.8 best | 22.7 |
| Terminal-Bench | 82% | Not available |
| GPQA Diamond | 93% best | 87% |
| Output speed | 63 t/s | Not available |
| Latency (TTFT) | 13.52s | Not available |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Grok 4.5
via OpenRouter
$16
Hy3 preview
via OpenRouter
$1.50
Capabilities
feature support, side by side| Feature | Grok 4.5 | Hy3 preview |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | — |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Grok 4.5 or Hy3 preview?
Hy3 preview is cheaper for input ($2.00 vs $0.18 per 1M tokens) as an OpenRouter routed quote. Hy3 preview is cheaper for output ($6.00 vs $0.60 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Grok 4.5 and Hy3 preview?
Grok 4.5 has a 500K-token context window and Hy3 preview has 262K tokens, so Grok 4.5 can take a larger prompt.
How do Grok 4.5 and Hy3 preview compare on benchmarks?
On the tracked benchmarks, Grok 4.5 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
Every weekday
AI moves fast. Here's your debrief.
News, analysis, tools, and more.
For people who build with AI