Grok 4.6 vs Muse Spark 1.2

API pricing, context window and capabilities for Grok 4.6 and Muse Spark 1.2, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

Grok 4.6 wins on Terminal-Bench and on intelligence. Muse Spark 1.2 wins on price and on context window.

Price
Muse Spark 1.2
Terminal-Bench
Grok 4.6
Intelligence
Grok 4.6
Context window
Muse Spark 1.2

Key takeaways

who wins on what, from the published numbers

Grok 4.6 wins

  • Higher max output (524K vs 131K)
  • More serving providers (8 vs 4)

Muse Spark 1.2 wins

  • Cheaper input ($2.00 vs $1.25 /1M)
  • Cheaper output ($6.00 vs $4.25 /1M)
  • Larger context window (524K vs 1M)
Cheaper overall
Muse Spark 1.2
$1.25 + $4.25 /1M
Larger context
Muse Spark 1.2
1M
More providers
Grok 4.6
8 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.
Grok 4.6Muse Spark 1.2
Input $/1M$2.00via xAI $1.25via Meta best
Output $/1M$6.00via xAI $4.25via Meta best
Context window524K 1M best
Max output524K best131K
Serving providers8 best4
DateReleased Aug 10, 2026 Released Aug 5, 2026

Benchmarks

Benchmark scores, side by side
Grok 4.6Muse Spark 1.2
Intelligence44.3 best39.6
Terminal-Bench88% best80%
GPQA Diamond95% best90%
Output speed56 t/s 291 t/s best
Latency (TTFT)43.86s 14.21s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Grok 4.6
via OpenRouter
$16
Muse Spark 1.2
via OpenRouter
$11

Capabilities

feature support, side by side
FeatureGrok 4.6Muse Spark 1.2
Vision✓✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓✓

Related comparisons

Frequently asked questions

Which is cheaper, Grok 4.6 or Muse Spark 1.2?
Muse Spark 1.2 is cheaper for input ($2.00 vs $1.25 per 1M tokens) from Meta. Muse Spark 1.2 is cheaper for output ($6.00 vs $4.25 per 1M tokens) from Meta.
What is the context window difference between Grok 4.6 and Muse Spark 1.2?
Grok 4.6 has a 524K-token context window and Muse Spark 1.2 has 1M tokens, so Muse Spark 1.2 can take a larger prompt.
How do Grok 4.6 and Muse Spark 1.2 compare on benchmarks?
On the tracked benchmarks, Grok 4.6 leads on Terminal-Bench, and Grok 4.6 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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