Mistral Medium 3.5 vs Muse Spark 1.3
API pricing, context window and capabilities for Mistral Medium 3.5 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 numbersMuse Spark 1.3 wins on price, on Terminal-Bench, on intelligence and on context window.
Price
Muse Spark 1.3
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 numbersMistral Medium 3.5 wins
- Higher max output (262K vs 131K)
Muse Spark 1.3 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 1.3
$1.25 + $4.25 /1M
Larger context
Muse Spark 1.3
1M
More providers
Tied
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| Mistral Medium 3.5 | Muse Spark 1.3 | |
|---|---|---|
| Input $/1M | $1.50via Mistral | $1.25via Azure best |
| Output $/1M | $7.50via Mistral | $4.25via Azure best |
| Context window | 262K | 1M best |
| Max output | 262K best | 131K |
| Serving providers | 4 | 4 |
| Date | Released Apr 30, 2026 | Released Sep 2, 2026 |
Benchmarks
Benchmark scores, side by side| Mistral Medium 3.5 | Muse Spark 1.3 | |
|---|---|---|
| Intelligence | 14.2 | 48.1 best |
| Terminal-Bench | 51% | 84% best |
| GPQA Diamond | 75% | 94% best |
| Output speed | 167 t/s best | 128 t/s |
| Latency (TTFT) | 2.21s best | 41.69s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Mistral Medium 3.5
via OpenRouter
$15
Muse Spark 1.3
via Meta
$11
Capabilities
feature support, side by side| Feature | Mistral Medium 3.5 | Muse Spark 1.3 |
|---|---|---|
| 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 1.3?
Muse Spark 1.3 is cheaper for input ($1.50 vs $1.25 per 1M tokens) from Azure. Muse Spark 1.3 is cheaper for output ($7.50 vs $4.25 per 1M tokens) from Azure.
What is the context window difference between Mistral Medium 3.5 and Muse Spark 1.3?
Mistral Medium 3.5 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 Mistral Medium 3.5 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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