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GPT-4.1 Nano vs Muse Spark 1.3 Contributor

Signal-by-Signal Comparison
SignalGPT-4.1 NanoDeltaMuse Spark 1.3 Contributor
Capabilities
83
-17
100
Benchmarks
44
+44
0
Pricing
100
0
100
Context window size
96
--
96
Recency
41
-59
100
Output Capacity
72
-23
96
Overall Result
1 wins
of 6
4 wins
Muse Spark 1.3 Contributor wins 4 of 6 signals

Score History

Score History (29 data points)
GPT-4.1 NanoMuse Spark 1.3 Contributor
GPT-4.1 Nano

42.1

current score

Leader

GPT-4.1 Nano

right now

Muse Spark 1.3 Contributor

40

current score

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

GPT-4.1 Nano

OpenAI

Per request$0.000300
Daily$1.00
Monthly$30.00
Annual$360.00

Muse Spark 1.3 Contributor

meta

Best Value
Per request$0.000200
Daily$0.67
Monthly$20.00
Annual$240.00

Muse Spark 1.3 Contributor saves you $10.00/month

That's $120.00/year compared to GPT-4.1 Nano at your current usage level of 100K calls/month.

33% cheaper
Choose Muse Spark 1.3 Contributor for cost optimization

GPT-4.1 Nano pricing:
Input:$0.10/M tokens
Output:$0.40/M tokens
Muse Spark 1.3 Contributor pricing:
Input:$0.10/M tokens
Output:$0.20/M tokens
Winner
GPT-4.1 Nano

OpenAI

42

Composite Score

Muse Spark 1.3 Contributor

meta

40

Composite Score

Signal-by-Signal Comparison
MetricGPT-4.1 NanoMuse Spark 1.3 ContributorWinner
Overall Score
42
40
GPT-4.1 Nano
Rank#230#232
GPT-4.1 Nano
Quality Rank#230#232
GPT-4.1 Nano
Adoption Rank#230#232
GPT-4.1 Nano
Parameters------
Context Window1048K1049K
Muse Spark 1.3 Contributor
Pricing$0.10/$0.40/M$0.10/$0.20/M--
Signal Scores
Capabilities
83
100
Muse Spark 1.3 Contributor
Benchmarks
44
--
GPT-4.1 Nano
Pricing
100
100
Muse Spark 1.3 Contributor
Context window size
96
96
GPT-4.1 Nano
Recency
41
100
Muse Spark 1.3 Contributor
Output Capacity
72
96
Muse Spark 1.3 Contributor
Benchmark Head-to-Head(2 benchmarks)
GPT-4.1 Nano: 0Muse Spark: 0
GPT-4.1 Nano
Muse Spark
Normalized 0-100%
Arena Elo
1322-
BigCodeBench
28.4%-
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.

GPT-4.1 NanoEntry Level

Scores 42/100 (rank #230), placing it in the top 21% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Muse Spark 1.3 ContributorEntry Level

Scores 40/100 (rank #232), placing it in the top 20% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 2-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 GPT-4.1 Nano when you need:

  • Budget-friendly applications with moderate quality requirements

Choose Muse Spark 1.3 Contributor when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-4.1 Nano
Input cost$0.10/M tokens
Output cost$0.40/M tokens
Cost per quality point$0.012
Est. monthly (1M tokens/day)$7.50
Muse Spark 1.3 ContributorBest Value
Input cost$0.10/M tokens
Output cost$0.20/M tokens
Cost per quality point$0.007
Est. monthly (1M tokens/day)$4.50

Muse Spark 1.3 Contributor offers 40% better value per quality point. At 1M tokens/day, you'd spend $4.50/month with Muse Spark 1.3 Contributor vs $7.50/month with GPT-4.1 Nano - a $3.00 monthly difference.

Latency & Speed
GPT-4.1 NanoFaster
Speed score0/100
Muse Spark 1.3 Contributor
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

GPT-4.1 Nano

Customer support chatbot

Suitable for user-facing chat with competitive response times. Muse Spark 1.3 Contributor also offers lower per-token costs for high-volume support

GPT-4.1 Nano

Long document analysis

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

Muse Spark 1.3 Contributor

Batch data extraction

Lower output pricing ($0.20/M) reduces costs when processing thousands of records daily

Muse Spark 1.3 Contributor

Creative writing & content

Higher overall composite score (42/100) correlates with better nuance, coherence, and style in long-form content

GPT-4.1 Nano

Image understanding & OCR

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

GPT-4.1 Nano
Which Should You Choose?
Our recommendation:
GPT-4.1 Nano

GPT-4.1 Nano and Muse Spark 1.3 Contributor are extremely close in overall performance (only 2.1000000000000014 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

GPT-4.1 Nano
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • 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

  • Choose for Cost - 40% lower pricing; better value at scale
Capability Comparison
CapabilityGPT-4.1 NanoMuse Spark 1.3 Contributor
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-4.1 Nano

OpenAI

$0.6600
estimated monthly cost

Muse Spark 1.3 Contributor

meta

Best Value
$0.4200
estimated monthly cost

Muse Spark 1.3 Contributor saves you $0.2400/month

That's 36% cheaper than GPT-4.1 Nano 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
ParameterGPT-4.1 NanoMuse Spark 1.3 Contributor
Context Window1.0M1.0M
Max Output Tokens32,768943,718
Open SourceNoNo
CreatedApr 14, 2025Sep 2, 2026
Last updated: 11m ago

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