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Gemini 4 Carbon vs Muse Spark 1.3

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 51.9.

Google · Meta · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to 51.9, ranking #2 overall.

In the 1 individual benchmarks reported for both models, Gemini 4 Carbon wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 4 Carbon

  • overall performance matters — it scores 59.0 and ranks #2 on LLM Stats
  • your work emphasizes agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Oct 2026

Choose Muse Spark 1.3

  • you want predictable pricing at $1.25/M input and $4.25/M output

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
Muse Spark 1.3
Meta
Core performance indexes
LLM Stats Score
59.0
#2
51.9
#15
Reasoning
54.9
#5
50.3
#14
Coding
48.1
#3
38.6
#26
Agents
46.0
#2
37.9
#18
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$1.25 / M
Output price
— / M
$4.25 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 4 Carbon
Muse Spark 1.3
Tool use
35.8#3
31.1#10
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 11 for Muse Spark 1.3

1 shared

Gemini 4 Carbon outperforms in 1 benchmarks (AutomationBench), while Muse Spark 1.3 is better at 0 benchmarks.

Gemini 4 Carbon significantly outperforms across most benchmarks.

Thu Oct 29 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Muse Spark 1.3 specifies input context (1,048,576 tokens). Only Muse Spark 1.3 specifies output context (943,718 tokens).

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
Meta
Muse Spark 1.3
Input1,048,576 tokens
Output943,718 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Carbon and Muse Spark 1.3 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 4 Carbon

Text
Images
Audio
Video

Muse Spark 1.3

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 4 Carbon

Proprietary

Closed source

Muse Spark 1.3

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while Muse Spark 1.3 was released on 2026-09-02.

Gemini 4 Carbon is 2 months newer than Muse Spark 1.3.

Gemini 4 Carbon

Oct 28, 2026

-2 days ago

1mo newer
Muse Spark 1.3

Sep 2, 2026

1 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Carbon and Muse Spark 1.3 side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
Muse Spark 1.3
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs Muse Spark 1.3.

Which is better, Gemini 4 Carbon or Muse Spark 1.3?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 51.9. Gemini 4 Carbon is made by Google and Muse Spark 1.3 is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 4 Carbon compare to Muse Spark 1.3 in benchmarks?

Gemini 4 Carbon scores Gray Swan IPI Benchmark: 100.0%, Vending-Bench 2: 100.0%, Graphwalks BFS >128k: 96.2%, WebDev Arena: 88.4%, SEC-bench Pro: 88.2%. Muse Spark 1.3 scores MRCR v2 (8-needle): 98.5%, MRCR v2 (8-needle, 512K-1M): 98.1%, DeepSearchQA: 89.4%, Terminal-Bench 2.1: 88.8%, DeepSWE 1.1: 75.4%.

What are the context window sizes for Gemini 4 Carbon and Muse Spark 1.3?

Gemini 4 Carbon supports an unknown number of tokens and Muse Spark 1.3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 4 Carbon and Muse Spark 1.3?

Key differences include LLM Stats Score (59.0 vs 51.9). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and Muse Spark 1.3?

Gemini 4 Carbon is developed by Google and Muse Spark 1.3 is developed by Meta.

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