Model Comparison

Claude Opus 4.6 (Adaptive Reasoning, Max Effort)
vs. Kimi K2 Thinking

Comparing 2 AI models · 10 benchmarks · Anthropic, MoonshotAI

Recommended Pick

MoonshotAI logo Kimi K2 Thinking 9 metric wins

Strongest on: Value, Input price, Output price

Best Value

MoonshotAI logo

Kimi K2 Thinking

100.0 value score

67.3 reasoning / $1.07/1M

Lowest Price

MoonshotAI logo

Kimi K2 Thinking

$0.60/1M input price

Best Reasoning

MoonshotAI logo

Kimi K2 Thinking

67.3 reasoning score

Blends available reasoning benchmarks

Best for Coding

Anthropic logo

Claude Opus 4.6 (Adaptive Reasoning, Max Effort)

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

Price gap

Kimi K2 Thinking is 10.4x cheaper on input tokens than Claude Opus 4.6 (Adaptive Reasoning, Max Effort).

Speed gap

Kimi K2 Thinking generates about 2.1x as many tokens per second as Claude Opus 4.6 (Adaptive Reasoning, Max Effort).

Reasoning gap

Kimi K2 Thinking leads Claude Opus 4.6 (Adaptive Reasoning, Max Effort) by 7.5 points on reasoning.

Coding gap

Claude Opus 4.6 (Adaptive Reasoning, Max Effort) leads Kimi K2 Thinking by 13.3 points on coding.

Live compare

Response Face-Off

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

Anthropic logo

Claude Opus 4.6 (Adaptive Reasoning, Max Effort)

Anthropic

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
MoonshotAI logo

Kimi K2 Thinking

MoonshotAI

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
Anthropic logo Claude Opus 4.6 (Adaptive Reasoning, Max Effort)
Anthropic
Top Pick
MoonshotAI logo Kimi K2 Thinking
MoonshotAI
Pricing per 1M tokens
Input Cost $6.25/1M$0.60/1M
Output Cost $25.00/1M$2.50/1M
Blended (3:1) $10.94/1M$1.07/1M
Specifications
Organization AnthropicMoonshotAI
Release Date Feb 5, 2026Nov 6, 2025
Performance & Speed
Throughput 61.4 tok/s128.9 tok/s
TTFT 13964ms962ms
Latency 13964ms16475ms
Composite Indices
Value Score 8.7100.0
Reasoning Score 59.767.3
Intelligence 52.940.9
Coding 48.134.8
Math 94.7
Standard Benchmarks
GPQA 89.6%83.8%
MMLU Pro 84.8%
HLE 36.7%22.3%
LiveCodeBench 85.3%
AIME 2025 94.7%
SciCode 51.9%42.4%
LCR 70.7%66.3%
IFBench 53.1%68.1%
TAU-bench v2 92.1%93.0%
TerminalBench Hard 46.2%31.1%

Key Takeaways

Kimi K2 Thinking offers the best value at $0.60/1M, making it ideal for high-volume applications and cost-conscious projects.

Kimi K2 Thinking has the strongest reasoning profile with a 67.3 reasoning score, combining the available reasoning-heavy benchmarks.

Claude Opus 4.6 (Adaptive Reasoning, Max Effort) reaches a 48.1 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

Anthropic logo

Claude Opus 4.6 (Adaptive Reasoning, Max Effort)

  • Code generation
  • Software development
MoonshotAI logo

Kimi K2 Thinking

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis