Compare · ModelsLive · 2 picked · head to head
Kimi K2 0711 vs o3
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
o3 wins on 9/11 benchmarks
o3 wins 9 of 11 shared benchmarks. Leads in coding · knowledge · language.
Category leads
coding·o3knowledge·o3language·o3math·o3reasoning·Kimi K2 0711
Hype vs Reality
Attention vs performance
Kimi K2 0711
#61 by perf·no signal
o3
#67 by perf·no signal
Best value
Kimi K2 0711
3.5x better value than o3
Kimi K2 0711
39.2 pts/$
$1.43/M
o3
11.0 pts/$
$5.00/M
Vendor risk
Who is behind the model
moonshotai
private · undisclosed
OpenAI
$840.0B·Tier 1
Head to head
11 benchmarks · 2 models
Kimi K2 0711o3
Aider polyglot
o3 leads by +22.2
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
81.3
Fiction.LiveBench
o3 leads by +27.8
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
88.9
GSO-Bench
o3 leads by +3.9
GSO-Bench · evaluates AI models on real-world open-source software engineering tasks, testing the ability to understand and resolve actual GitHub issues.
Kimi K2 0711
4.9
o3
8.8
HELM · GPQA
o3 leads by +10.1
Kimi K2 0711
65.2
o3
75.3
HELM · IFEval
o3 leads by +1.9
Kimi K2 0711
85.0
o3
86.9
HELM · MMLU-Pro
o3 leads by +4.0
Kimi K2 0711
81.9
o3
85.9
HELM · Omni-MATH
o3 leads by +6.0
Kimi K2 0711
65.4
o3
71.4
HELM · WildBench
Kimi K2 0711 leads by +0.1
Kimi K2 0711
86.2
o3
86.1
Lech Mazur Writing
Kimi K2 0711 leads by +3.0
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
Kimi K2 0711
86.9
o3
83.9
SimpleBench
o3 leads by +32.2
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Kimi K2 0711
11.6
o3
43.7
WeirdML
o3 leads by +13.1
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Kimi K2 0711
39.4
o3
52.4
Full benchmark table
| Benchmark | Kimi K2 0711 | o3 |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 59.1 | 81.3 |
Fiction.LiveBench Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination. | 61.1 | 88.9 |
GSO-Bench GSO-Bench · evaluates AI models on real-world open-source software engineering tasks, testing the ability to understand and resolve actual GitHub issues. | 4.9 | 8.8 |
HELM · GPQA | 65.2 | 75.3 |
HELM · IFEval | 85.0 | 86.9 |
HELM · MMLU-Pro | 81.9 | 85.9 |
HELM · Omni-MATH | 65.4 | 71.4 |
HELM · WildBench | 86.2 | 86.1 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 86.9 | 83.9 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 11.6 | 43.7 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 39.4 | 52.4 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| Kimi K2 0711 | $0.57 | $2.30 | 131K tokens (~66 books) | $10.03 |
| o3 | $2.00 | $8.00 | 200K tokens (~100 books) | $35.00 |