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Moondream 3.1 vs Muse Spark Open

Moondream 3.1

moondream

40#188
vs
Muse Spark Open

meta

40#189
Signal-by-Signal Comparison
SignalMoondream 3.1DeltaMuse Spark Open
Capabilities
50
-33
83
Pricing
98
+2
96
Context window size
72
-24
96
Recency
100
--
100
Output Capacity
58
-38
96
Overall Result
1 wins
of 5
3 wins
Muse Spark Open wins 3 of 5 signals

Score History Unavailable

Not enough historical data to show a comparison chart. Score history is recorded weekly and will be available after at least two data points are collected.

40

Moondream 3.1

vs

40

Muse Spark Open

Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Moondream 3.1

moondream

Best Value
Per request$0.001550
Daily$5.17
Monthly$155.00
Annual$1860.00

Muse Spark Open

meta

Per request$0.003375
Daily$11.25
Monthly$337.50
Annual$4050.00

Moondream 3.1 saves you $182.50/month

That's $2190.00/year compared to Muse Spark Open at your current usage level of 100K calls/month.

54% cheaper
Choose Moondream 3.1 for cost optimization

Moondream 3.1 pricing:
Input:$0.30/M tokens
Output:$2.50/M tokens
Muse Spark Open pricing:
Input:$1.25/M tokens
Output:$4.25/M tokens
Tie
Moondream 3.1

moondream

40

Composite Score

Tie
Muse Spark Open

meta

40

Composite Score

Signal-by-Signal Comparison
MetricMoondream 3.1Muse Spark OpenWinner
Overall Score
40
40
--
Rank#188#189
Moondream 3.1
Quality Rank#188#189
Moondream 3.1
Adoption Rank#188#189
Moondream 3.1
Parameters9B----
Context Window32K1049K
Muse Spark Open
Pricing$0.30/$2.50/M$1.25/$4.25/M--
Signal Scores
Capabilities
50
83
Muse Spark Open
Pricing
98
96
Moondream 3.1
Context window size
72
96
Muse Spark Open
Recency
100
100
Moondream 3.1
Output Capacity
58
96
Muse Spark Open
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Moondream 3.1Entry Level

Scores 40/100 (rank #188), placing it in the top 36% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Muse Spark OpenEntry Level

Scores 40/100 (rank #189), placing it in the top 35% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Moondream 3.1 when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Muse Spark Open when you need:

  • Processing long documents or large codebases (1049K token context)
  • Agentic applications using tool/function calling
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Moondream 3.1Best Value
Input cost$0.30/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.070
Est. monthly (1M tokens/day)$42.00
Muse Spark Open
Input cost$1.25/M tokens
Output cost$4.25/M tokens
Cost per quality point$0.138
Est. monthly (1M tokens/day)$82.50

Moondream 3.1 offers 49% better value per quality point. At 1M tokens/day, you'd spend $42.00/month with Moondream 3.1 vs $82.50/month with Muse Spark Open - a $40.50 monthly difference.

Latency & Speed
Moondream 3.1Faster
Speed score0/100
Muse Spark Open
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Moondream 3.1

Customer support chatbot

Suitable for user-facing chat with competitive response times. Moondream 3.1 also offers lower per-token costs for high-volume support

Moondream 3.1

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Muse Spark Open

Batch data extraction

Lower output pricing ($2.50/M) reduces costs when processing thousands of records daily

Moondream 3.1

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

Moondream 3.1

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Moondream 3.1
Which Should You Choose?
Our recommendation:
Moondream 3.1

Moondream 3.1 and Muse Spark Open are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

Moondream 3.1
Recommended

by moondream

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 49% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by meta

Consider for specialized use cases.

Capability Comparison
CapabilityMoondream 3.1Muse Spark Open
Vision (Image Input)
Function Callingdiffers
Streaming
JSON Modediffers
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Moondream 3.1

moondream

Best Value
$3.54
estimated monthly cost

Muse Spark Open

meta

$7.35
estimated monthly cost

Moondream 3.1 saves you $3.81/month

That's 52% cheaper than Muse Spark Open at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterMoondream 3.1Muse Spark Open
Context Window32K1.0M
Max Output Tokens4,096943,718
Open SourceYesYes
CreatedOct 15, 2026Oct 15, 2026
Last updated: 48m ago

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