Compare · ModelsLive · 2 picked · head to head
GPT-6.1 Sol vs Kimi K3.1 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-6.1 Sol wins on 9/9 benchmarks
GPT-6.1 Sol wins 9 of 9 shared benchmarks. Leads in knowledge · math · general.
Category leads
knowledge·GPT-6.1 Solmath·GPT-6.1 Solgeneral·GPT-6.1 Sol
Hype vs Reality
Attention vs performance
GPT-6.1 Sol
#7 by perf·#2 by attention
Kimi K3.1 Pro
#29 by perf·#15 by attention
Best value
GPT-6.1 Sol
1.1x better value than Kimi K3.1 Pro
GPT-6.1 Sol
12.7 pts/$
$6.00/M
Kimi K3.1 Pro
11.3 pts/$
$6.00/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Moonshot AI
$50.0B·Tier 1
Head to head
9 benchmarks · 2 models
GPT-6.1 SolKimi K3.1 Pro
Chess Puzzles
GPT-6.1 Sol leads by +24.2
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-6.1 Sol
66.3
Kimi K3.1 Pro
42.1
FrontierMath-Tier-4-v2-Private
GPT-6.1 Sol leads by +34.2
GPT-6.1 Sol
100.0
Kimi K3.1 Pro
65.8
FrontierMath-Tiers-1-3-v2-Private
GPT-6.1 Sol leads by +16.3
GPT-6.1 Sol
98.6
Kimi K3.1 Pro
82.4
Furniture Assembly
GPT-6.1 Sol leads by +34.5
GPT-6.1 Sol
71.4
Kimi K3.1 Pro
36.9
GPQA diamond
GPT-6.1 Sol leads by +1.7
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-6.1 Sol
97.8
Kimi K3.1 Pro
96.1
Mystery Game Puzzles
GPT-6.1 Sol leads by +41.9
GPT-6.1 Sol
78.0
Kimi K3.1 Pro
36.1
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-6.1 Sol
100.0
Kimi K3.1 Pro
100.0
Proofbench
GPT-6.1 Sol leads by +8.0
GPT-6.1 Sol
99.0
Kimi K3.1 Pro
91.0
SimpleQA Verified
GPT-6.1 Sol leads by +11.7
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-6.1 Sol
73.9
Kimi K3.1 Pro
62.2
Full benchmark table
| Benchmark | GPT-6.1 Sol | Kimi K3.1 Pro |
|---|---|---|
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 66.3 | 42.1 |
FrontierMath-Tier-4-v2-Private | 100.0 | 65.8 |
FrontierMath-Tiers-1-3-v2-Private | 98.6 | 82.4 |
Furniture Assembly | 71.4 | 36.9 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 97.8 | 96.1 |
Mystery Game Puzzles | 78.0 | 36.1 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 100.0 |
Proofbench | 99.0 | 91.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 73.9 | 62.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $2.00 | $10.00 | 1.1M tokens (~525 books) | $40.00 | |
| $2.00 | $10.00 | 1.0M tokens (~524 books) | $40.00 |