Model Comparison

Kimi K2
vs. o1-pro

Comparing 2 AI models · 12 benchmarks · MoonshotAI, OpenAI

Recommended Pick

MoonshotAI logo Kimi K2 7 metric wins

Strongest on: Value, Input price, Output price

Best Value

MoonshotAI logo

Kimi K2

100.0 value score

55.8 reasoning / $1.04/1M

Lowest Price

MoonshotAI logo

Kimi K2

$0.58/1M input price

Best Reasoning

MoonshotAI logo

Kimi K2

55.8 reasoning score

Blends available reasoning benchmarks

Best for Coding

MoonshotAI logo

Kimi K2

22.1 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Kimi K2 has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Kimi K2 is 256.4x cheaper on input tokens than o1-pro.

Reasoning gap

Kimi K2 leads o1-pro by 30.0 points on reasoning.

Top-pick rationale

Kimi K2 wins 7 measurable categories, including Value, Input price, Output price, Blended price.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

MoonshotAI logo

Kimi K2

MoonshotAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
OpenAI logo

o1-pro

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Top Pick
MoonshotAI logo Kimi K2
MoonshotAI
OpenAI logo o1-pro
OpenAI
Pricing per 1M tokens
Input Cost $0.58/1M$150.00/1M
Output Cost $2.40/1M$600.00/1M
Blended (3:1) $1.04/1M$262.50/1M
Specifications
Organization MoonshotAIOpenAI
Release Date Jul 11, 2025Mar 19, 2025
Performance & Speed
Throughput 25.7 tok/s
TTFT 1592ms
Latency 1592ms
Composite Indices
Value Score 100.00.2
Reasoning Score 55.825.8
Intelligence 26.325.8
Coding 22.1
Math 57.0
Standard Benchmarks
GPQA 76.6%
MMLU Pro 82.4%
HLE 7.0%
LiveCodeBench 55.6%
MATH 500 97.1%
AIME 2025 57.0%
AIME (Original) 69.3%
SciCode 34.5%
LCR 51.0%
IFBench 41.5%
TAU-bench v2 61.1%
TerminalBench Hard 15.9%

Key Takeaways

Kimi K2 offers the best value at $0.58/1M, making it ideal for high-volume applications and cost-conscious projects.

Kimi K2 has the strongest reasoning profile with a 55.8 reasoning score, combining the available reasoning-heavy benchmarks.

Kimi K2 reaches a 22.1 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

MoonshotAI logo

Kimi K2

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
OpenAI logo

o1-pro

  • General-purpose AI
  • Versatile applications