Compare · ModelsLive · 2 picked · head to head
GPT-4o (2024-05-13) vs Kimi K2 Thinking
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Kimi K2 Thinking wins on 2/2 benchmarks
Kimi K2 Thinking wins 2 of 2 shared benchmarks. Leads in knowledge · math.
Category leads
knowledge·Kimi K2 Thinkingmath·Kimi K2 Thinking
Hype vs Reality
Attention vs performance
GPT-4o (2024-05-13)
#110 by perf·no signal
Kimi K2 Thinking
#103 by perf·#17 by attention
Best value
Kimi K2 Thinking
6.7x better value than GPT-4o (2024-05-13)
GPT-4o (2024-05-13)
5.1 pts/$
$10.00/M
Kimi K2 Thinking
34.0 pts/$
$1.55/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Moonshot AI
$18.0B·Tier 1
Head to head
2 benchmarks · 2 models
GPT-4o (2024-05-13)Kimi K2 Thinking
GPQA diamond
Kimi K2 Thinking leads by +47.1
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-4o (2024-05-13)
31.9
Kimi K2 Thinking
79.0
OTIS Mock AIME 2024-2025
Kimi K2 Thinking leads by +76.9
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-4o (2024-05-13)
6.2
Kimi K2 Thinking
83.0
Full benchmark table
| Benchmark | GPT-4o (2024-05-13) | Kimi K2 Thinking |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 31.9 | 79.0 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 6.2 | 83.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $5.00 | $15.00 | 128K tokens (~64 books) | $75.00 | |
| $0.60 | $2.50 | 262K tokens (~131 books) | $10.75 |