Verdict
computed from the published numbersGrok 4.5 wins on Terminal-Bench, on intelligence and on context window. Hy3 wins on price.
Price
Hy3
Terminal-Bench
Grok 4.5
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 262K)
- Supports vision
Hy3 wins
- Cheaper input ($2.00 vs $0.132 /1M)
- Cheaper output ($6.00 vs $0.528 /1M)
- More serving providers (3 vs 5)
Cheaper overall
Hy3
$0.132 + $0.528 /1M
Larger context
Grok 4.5
500K
More providers
Hy3
5 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 | |
|---|---|---|
| Input $/1M | $2.00via xAI | $0.132OpenRouter routed quote best |
| Output $/1M | $6.00via xAI | $0.528OpenRouter routed quote best |
| Context window | 500K best | 262K |
| Max output | 500K best | 262K |
| Serving providers | 3 | 5 best |
| Date | Released Jul 7, 2026 | Released Jul 6, 2026 |
Benchmarks
Benchmark scores, side by side| Grok 4.5 | Hy3 | |
|---|---|---|
| Intelligence | 38.8 best | 25.3 |
| Terminal-Bench | 82% best | 64% |
| GPQA Diamond | 93% best | 90% |
| Output speed | 63 t/s | 86 t/s best |
| Latency (TTFT) | 13.52s | 2.81s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Grok 4.5
via OpenRouter
$16
Hy3
via OpenRouter
$1.19
Capabilities
feature support, side by side| Feature | Grok 4.5 | Hy3 |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Grok 4.5 or Hy3?
Hy3 is cheaper for input ($2.00 vs $0.132 per 1M tokens) as an OpenRouter routed quote. Hy3 is cheaper for output ($6.00 vs $0.528 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Grok 4.5 and Hy3?
Grok 4.5 has a 500K-token context window and Hy3 has 262K tokens, so Grok 4.5 can take a larger prompt.
How do Grok 4.5 and Hy3 compare on benchmarks?
On the tracked benchmarks, Grok 4.5 leads on Terminal-Bench, and Grok 4.5 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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