Hy3 vs Muse Spark 1.3

API pricing, context window and capabilities for Hy3 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 numbers

Hy3 wins on price. Muse Spark 1.3 wins on Terminal-Bench, on intelligence and on context window.

Price
Hy3
Terminal-Bench
Muse Spark 1.3
Intelligence
Muse Spark 1.3
Context window
Muse Spark 1.3

Key takeaways

who wins on what, from the published numbers

Hy3 wins

  • Cheaper input ($0.132 vs $1.25 /1M)
  • Cheaper output ($0.528 vs $4.25 /1M)
  • Higher max output (262K vs 131K)
  • More serving providers (5 vs 4)

Muse Spark 1.3 wins

  • Larger context window (262K vs 1M)
  • Supports vision
Cheaper overall
Hy3
$0.132 + $0.528 /1M
Larger context
Muse Spark 1.3
1M
More providers
Hy3
5 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-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.
Hy3Muse Spark 1.3
Input $/1M$0.132OpenRouter routed quote best$1.25via Azure
Output $/1M$0.528OpenRouter routed quote best$4.25via Azure
Context window262K 1M best
Max output262K best131K
Serving providers5 best4
DateReleased Jul 6, 2026 Released Sep 2, 2026

Benchmarks

Benchmark scores, side by side
Hy3Muse Spark 1.3
Intelligence25.3 48.1 best
Terminal-Bench64% 84% best
GPQA Diamond90% 94% best
Output speed86 t/s 128 t/s best
Latency (TTFT)2.81s best41.69s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Hy3
via OpenRouter
$1.19
Muse Spark 1.3
via Meta
$11

Capabilities

feature support, side by side
FeatureHy3Muse Spark 1.3
Vision—✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓✓

Related comparisons

Frequently asked questions

Which is cheaper, Hy3 or Muse Spark 1.3?
Hy3 is cheaper for input ($0.132 vs $1.25 per 1M tokens) as an OpenRouter routed quote. Hy3 is cheaper for output ($0.528 vs $4.25 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Hy3 and Muse Spark 1.3?
Hy3 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 and Muse Spark 1.3 compare on benchmarks?
On the tracked benchmarks, Muse Spark 1.3 leads on Terminal-Bench, and Muse Spark 1.3 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Sep 28, 2026

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