Compare · ModelsLive · 2 picked · head to head
Kimi K3.1 Pro vs Muse Spark
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Kimi K3.1 Pro wins on 3/4 benchmarks
Kimi K3.1 Pro wins 3 of 4 shared benchmarks. Leads in knowledge · math · general.
Category leads
knowledge·Kimi K3.1 Promath·Kimi K3.1 Progeneral·Kimi K3.1 Pro
Hype vs Reality
Attention vs performance
Kimi K3.1 Pro
#29 by perf·#15 by attention
Muse Spark
#80 by perf·no signal
Vendor risk
Who is behind the model
Moonshot AI
$50.0B·Tier 1
Meta AI
$1.65T·Tier 1
Head to head
4 benchmarks · 2 models
Kimi K3.1 ProMuse Spark
GPQA diamond
Kimi K3.1 Pro leads by +6.1
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Kimi K3.1 Pro
96.1
Muse Spark
90.0
OTIS Mock AIME 2024-2025
Kimi K3.1 Pro leads by +11.1
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Kimi K3.1 Pro
100.0
Muse Spark
88.9
Proofbench
Kimi K3.1 Pro leads by +74.0
Kimi K3.1 Pro
91.0
Muse Spark
17.0
SimpleQA Verified
Muse Spark leads by +4.1
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Kimi K3.1 Pro
62.2
Muse Spark
66.3
Full benchmark table
| Benchmark | Kimi K3.1 Pro | Muse Spark |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 96.1 | 90.0 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 88.9 |
Proofbench | 91.0 | 17.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 62.2 | 66.3 |
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 | |
| n/a | n/a | n/a | n/a |