Compare · ModelsLive · 2 picked · head to head

Kimi K2 0711 vs o3 Pro

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

o3 Pro wins 3 of 4 shared benchmarks. Leads in coding · knowledge.

Category leads
coding·o3 Proknowledge·o3 Pro
Hype vs Reality
Kimi K2 0711
#63 by perf·no signal
QUIET
o3 Pro
#35 by perf·no signal
QUIET
Best value
32.0x better value than o3 Pro
Kimi K2 0711
39.2 pts/$
$1.43/M
o3 Pro
1.2 pts/$
$50.00/M
Vendor risk
moonshotai logo
moonshotai
private · undisclosed
Unknown
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
Kimi K2 0711o3 Pro
Aider polyglot
o3 Pro leads by +25.8
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
Kimi K2 0711
59.1
o3 Pro
84.9
Fiction.LiveBench
o3 Pro leads by +36.1
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
Kimi K2 0711
61.1
o3 Pro
97.2
Lech Mazur Writing
Kimi K2 0711 leads by +0.7
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
Kimi K2 0711
86.9
o3 Pro
86.3
WeirdML
o3 Pro leads by +18.9
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Kimi K2 0711
39.4
o3 Pro
58.2
Full benchmark table
BenchmarkKimi K2 0711o3 Pro
Aider polyglot
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
59.184.9
Fiction.LiveBench
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
61.197.2
Lech Mazur Writing
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
86.986.3
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
39.458.2
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
moonshotai logoKimi K2 0711$0.57$2.30131K tokens (~66 books)$10.03
OpenAI logoo3 Pro$20.00$80.00200K tokens (~100 books)$350.00