Compare · ModelsLive · 2 picked · head to head
GPT-5.4 Pro vs Kimi K3.1 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Kimi K3.1 Pro wins on 3/5 benchmarks
Kimi K3.1 Pro wins 3 of 5 shared benchmarks. Leads in knowledge · math.
Category leads
knowledge·Kimi K3.1 Promath·Kimi K3.1 Pro
Hype vs Reality
Attention vs performance
GPT-5.4 Pro
#40 by perf·#9 by attention
Kimi K3.1 Pro
#37 by perf·#15 by attention
Best value
Kimi K3.1 Pro
17.8x better value than GPT-5.4 Pro
GPT-5.4 Pro
0.6 pts/$
$105.00/M
Kimi K3.1 Pro
11.0 pts/$
$6.00/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Moonshot AI
$50.0B·Tier 1
Head to head
5 benchmarks · 2 models
GPT-5.4 ProKimi K3.1 Pro
Chess Puzzles
GPT-5.4 Pro leads by +16.5
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-5.4 Pro
58.6
Kimi K3.1 Pro
42.1
FrontierMath-Tier-4-v2-Private
Kimi K3.1 Pro leads by +7.3
GPT-5.4 Pro
58.5
Kimi K3.1 Pro
65.8
FrontierMath-Tiers-1-3-v2-Private
GPT-5.4 Pro leads by +4.4
GPT-5.4 Pro
86.8
Kimi K3.1 Pro
82.4
GPQA diamond
Kimi K3.1 Pro leads by +3.3
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-5.4 Pro
92.8
Kimi K3.1 Pro
96.1
SimpleQA Verified
Kimi K3.1 Pro leads by +14.4
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-5.4 Pro
47.8
Kimi K3.1 Pro
62.2
Full benchmark table
| Benchmark | GPT-5.4 Pro | 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. | 58.6 | 42.1 |
FrontierMath-Tier-4-v2-Private | 58.5 | 65.8 |
FrontierMath-Tiers-1-3-v2-Private | 86.8 | 82.4 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 92.8 | 96.1 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 47.8 | 62.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $30.00 | $180.00 | 1.1M tokens (~525 books) | $675.00 | |
| $2.00 | $10.00 | 1.0M tokens (~524 books) | $40.00 |