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Model Comparison

kimi-k2-0905vsclaude-opus-4

Model Comparison

Compare performance, benchmarks, and characteristics

kimi-k2-0905

openrouter

Context262144 tokens

Input Price$0.49 / 1M tokens

Output Price$1.99 / 1M tokens

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claude-opus-4

anthropic

Context200K tokens

Input Price$15 / 1M tokens

Output Price$75 / 1M tokens

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Model Comparison

Metric	kimi-k2-0905 openrouter	claude-opus-4 anthropic
Pricing
Input Price	$0.49 / 1M tokens	$15 / 1M tokens
Output Price	$1.99 / 1M tokens	$75 / 1M tokens
Capabilities
Context Window	262144 tokens	200K tokens
Capabilities	tools	tools
Input type	text	text, image
Category Scores
Overall Average	50.6	55.9
Academia	63.5	70.1
Marketing	35.7	43.5
Science	76.7	80.9
Writing	26.3	32.0
Programming	N/A	53.1
Benchmark Tests
AA Coding Index	_	53.1
AAII	50.4	59.3
GPQA	76.7	80.9
HLE	6.3	11.9
LiveCodeBench	61.0	65.4
MMLU-Pro	81.9	88.0
SciCode	30.7	40.9

kimi-k2-0905 Advantages

• Lower input token cost ($0.49 / 1M tokens vs $15 / 1M tokens)
• Larger context window (262144 tokens vs 200K tokens)

claude-opus-4 Advantages

• Higher benchmark scores (55.9 vs 50.6)

Compare openrouter/kimi-k2-0905 vs anthropic/claude-opus-4