Gemini 3.8 Flash vs Muse Spark 1.3
API pricing, context window and capabilities for Gemini 3.8 Flash 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 numbersGemini 3.8 Flash wins on price and on Terminal-Bench. Muse Spark 1.3 wins on intelligence.
Price
Gemini 3.8 Flash
Terminal-Bench
Gemini 3.8 Flash
Intelligence
Muse Spark 1.3
Context window
Tied
Key takeaways
who wins on what, from the published numbersGemini 3.8 Flash wins
- Cheaper input ($0.75 vs $1.25 /1M)
- Cheaper output ($3.75 vs $4.25 /1M)
- More serving providers (5 vs 4)
- Supports audio
Muse Spark 1.3 wins
- Higher max output (66K vs 131K)
Cheaper overall
Gemini 3.8 Flash
$0.75 + $3.75 /1M
Larger context
Tied
More providers
Gemini 3.8 Flash
5 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.
| Gemini 3.8 Flash | Muse Spark 1.3 | |
|---|---|---|
| Input $/1M | $0.75via Google best | $1.25via Azure |
| Output $/1M | $3.75via Google best | $4.25via Azure |
| Context window | 1M | 1M |
| Max output | 66K | 131K best |
| Serving providers | 5 best | 4 |
| Date | Released Sep 2, 2026 | Released Sep 2, 2026 |
Benchmarks
Benchmark scores, side by side| Gemini 3.8 Flash | Muse Spark 1.3 | |
|---|---|---|
| Intelligence | 40.9 | 48.1 best |
| Terminal-Bench | 88% best | 84% |
| GPQA Diamond | 95% best | 94% |
| Output speed | 145 t/s best | 128 t/s |
| Latency (TTFT) | 24.48s best | 41.69s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Gemini 3.8 Flash
via Vertex AI
$7.50
Muse Spark 1.3
via Meta
$11
Capabilities
feature support, side by side| Feature | Gemini 3.8 Flash | Muse Spark 1.3 |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | ✓ | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Gemini 3.8 Flash or Muse Spark 1.3?
Gemini 3.8 Flash is cheaper for input ($0.75 vs $1.25 per 1M tokens) from Google. Gemini 3.8 Flash is cheaper for output ($3.75 vs $4.25 per 1M tokens) from Google.
What is the context window difference between Gemini 3.8 Flash and Muse Spark 1.3?
Both Gemini 3.8 Flash and Muse Spark 1.3 have about a 1M-token context window.
How do Gemini 3.8 Flash and Muse Spark 1.3 compare on benchmarks?
On the tracked benchmarks, Gemini 3.8 Flash 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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