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Mistral Medium 3.5 vs Muse Spark 1.2

API pricing, context window and capabilities for Mistral Medium 3.5 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

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

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

Key takeaways

who wins on what, from the published numbers

Mistral Medium 3.5 wins

  • Higher max output (262K vs 131K)

Muse Spark 1.2 wins

  • Cheaper input ($1.50 vs $1.25 /1M)
  • Cheaper output ($7.50 vs $4.25 /1M)
  • Larger context window (262K vs 1M)
  • Supports prompt caching
  • Has web search
Cheaper overall
Muse Spark 1.2
$1.25 + $4.25 /1M
Larger context
Muse Spark 1.2
1M
More providers
Tied

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.
Mistral Medium 3.5Muse Spark 1.2
Input $/1M$1.50via Mistral $1.25via Meta best
Output $/1M$7.50via Mistral $4.25via Meta best
Context window262K 1M best
Max output262K best131K
Serving providers4 4
DateReleased Apr 30, 2026 Released Aug 5, 2026

Benchmarks

Benchmark scores, side by side
Mistral Medium 3.5Muse Spark 1.2
Intelligence14.2 39.6 best
Terminal-Bench51% 80% best
GPQA Diamond75% 90% best
Output speed167 t/s 291 t/s best
Latency (TTFT)2.21s best14.21s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Mistral Medium 3.5
via OpenRouter
$15
Muse Spark 1.2
via OpenRouter
$11

Capabilities

feature support, side by side
FeatureMistral Medium 3.5Muse Spark 1.2
Vision✓✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching—✓
Structured output✓✓
Web search—✓

Related comparisons

Frequently asked questions

Which is cheaper, Mistral Medium 3.5 or Muse Spark 1.2?
Muse Spark 1.2 is cheaper for input ($1.50 vs $1.25 per 1M tokens) from Meta. Muse Spark 1.2 is cheaper for output ($7.50 vs $4.25 per 1M tokens) from Meta.
What is the context window difference between Mistral Medium 3.5 and Muse Spark 1.2?
Mistral Medium 3.5 has a 262K-token context window and Muse Spark 1.2 has 1M tokens, so Muse Spark 1.2 can take a larger prompt.
How do Mistral Medium 3.5 and Muse Spark 1.2 compare on benchmarks?
On the tracked benchmarks, Muse Spark 1.2 leads on Terminal-Bench, and Muse Spark 1.2 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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