Hy3 preview vs Muse Spark 1.3
API pricing, context window and capabilities for Hy3 preview and Muse Spark 1.3, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersHy3 preview wins on price. Muse Spark 1.3 wins on intelligence and on context window. Benchmark data is unavailable for one or both models.
Price
Hy3 preview
Terminal-Bench
Not called
Intelligence
Muse Spark 1.3
Context window
Muse Spark 1.3
Key takeaways
who wins on what, from the published numbersHy3 preview wins
- Cheaper input ($0.18 vs $1.25 /1M)
- Cheaper output ($0.60 vs $4.25 /1M)
- Higher max output (236K vs 131K)
Muse Spark 1.3 wins
- Larger context window (262K vs 1M)
- More serving providers (1 vs 4)
- Supports vision
- Supports structured output
- Has web search
Cheaper overall
Hy3 preview
$0.18 + $0.60 /1M
Larger context
Muse Spark 1.3
1M
More providers
Muse Spark 1.3
4 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.
| Hy3 preview | Muse Spark 1.3 | |
|---|---|---|
| Input $/1M | $0.18OpenRouter routed quote best | $1.25via Azure |
| Output $/1M | $0.60OpenRouter routed quote best | $4.25via Azure |
| Context window | 262K | 1M best |
| Max output | 236K best | 131K |
| Serving providers | 1 | 4 best |
| Date | Released Apr 20, 2026 | Released Sep 2, 2026 |
Benchmarks
Benchmark scores, side by side| Hy3 preview | Muse Spark 1.3 | |
|---|---|---|
| Intelligence | 22.7 | 48.1 best |
| Terminal-Bench | Not available | 84% |
| GPQA Diamond | 87% | 94% best |
| Output speed | Not available | 128 t/s |
| Latency (TTFT) | Not available | 41.69s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Hy3 preview
via OpenRouter
$1.50
Muse Spark 1.3
via Meta
$11
Capabilities
feature support, side by side| Feature | Hy3 preview | Muse Spark 1.3 |
|---|---|---|
| Vision | — | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | — | ✓ |
| Web search | — | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Hy3 preview or Muse Spark 1.3?
Hy3 preview is cheaper for input ($0.18 vs $1.25 per 1M tokens) as an OpenRouter routed quote. Hy3 preview is cheaper for output ($0.60 vs $4.25 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Hy3 preview and Muse Spark 1.3?
Hy3 preview has a 262K-token context window and Muse Spark 1.3 has 1M tokens, so Muse Spark 1.3 can take a larger prompt.
How do Hy3 preview and Muse Spark 1.3 compare on benchmarks?
On the tracked benchmarks, Muse Spark 1.3 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Sep 28, 2026
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