Compare · ModelsLive · 2 picked · head to head
Gemini 4 Carbon vs Muse Spark Open
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 4 Carbon wins on 8/8 benchmarks
Gemini 4 Carbon wins 8 of 8 shared benchmarks. Leads in agentic · reasoning · math.
Category leads
agentic·Gemini 4 Carbonreasoning·Gemini 4 Carbonmath·Gemini 4 Carbonknowledge·Gemini 4 Carbon
Hype vs Reality
Attention vs performance
Gemini 4 Carbon
#1 by perf·#8 by attention
Muse Spark Open
#35 by perf·no signal
Best value
Muse Spark Open
1.7x better value than Gemini 4 Carbon
Gemini 4 Carbon
14.3 pts/$
$6.00/M
Muse Spark Open
24.0 pts/$
$2.75/M
Vendor risk
Who is behind the model
Google DeepMind
$3.61T·Tier 1
Meta AI
$1.62T·Tier 1
Head to head
8 benchmarks · 2 models
Gemini 4 CarbonMuse Spark Open
APEX-Agents
Gemini 4 Carbon leads by +50.8
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Gemini 4 Carbon
84.2
Muse Spark Open
33.4
ARC-AGI
Gemini 4 Carbon leads by +9.5
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Gemini 4 Carbon
98.5
Muse Spark Open
89.0
ARC-AGI-2
Gemini 4 Carbon leads by +36.7
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
Gemini 4 Carbon
94.2
Muse Spark Open
57.5
FrontierMath-Tier-4-v2-Private
Gemini 4 Carbon leads by +63.4
Gemini 4 Carbon
95.1
Muse Spark Open
31.7
FrontierMath-Tiers-1-3-v2-Private
Gemini 4 Carbon leads by +21.8
Gemini 4 Carbon
95.3
Muse Spark Open
73.5
GPQA diamond
Gemini 4 Carbon leads by +11.0
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Gemini 4 Carbon
99.3
Muse Spark Open
88.3
OTIS Mock AIME 2024-2025
Gemini 4 Carbon leads by +2.0
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Gemini 4 Carbon
100.0
Muse Spark Open
98.0
SimpleQA Verified
Gemini 4 Carbon leads by +21.1
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Gemini 4 Carbon
77.7
Muse Spark Open
56.6
Full benchmark table
| Benchmark | Gemini 4 Carbon | Muse Spark Open |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 84.2 | 33.4 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 98.5 | 89.0 |
ARC-AGI-2 ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data. | 94.2 | 57.5 |
FrontierMath-Tier-4-v2-Private | 95.1 | 31.7 |
FrontierMath-Tiers-1-3-v2-Private | 95.3 | 73.5 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 99.3 | 88.3 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 98.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 77.7 | 56.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $2.00 | $10.00 | 1.0M tokens (~524 books) | $40.00 | |
| $1.25 | $4.25 | 1.0M tokens (~524 books) | $20.00 |