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Claude 3 Opus vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Claude 3 Opus leads with 32.8% higher average benchmark score. Kimi K2 0905 offers 124.3K more tokens in context window than Claude 3 Opus. Kimi K2 0905 is $86.90 cheaper per million tokens. Claude 3 Opus supports multimodal inputs. Overall, Claude 3 Opus is the stronger choice for coding tasks.
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Anthropic
Claude 3 Opus is a multimodal language model developed by Anthropic. This model demonstrates exceptional performance with an average score of 81.6% across 11 benchmarks. It excels particularly in ARC-C (96.4%), HellaSwag (95.4%), GSM8k (95.0%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Anthropic's latest advancement in AI technology.
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Moonshot AI
Kimi K2 0905 is a language model developed by Moonshot AI. This model demonstrates exceptional performance with an average score of 84.0% across 6 benchmarks. It excels particularly in HumanEval (94.5%), MMLU (90.2%), MATH (89.1%). It supports a 524K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.
1 year newer
Claude 3 Opus
Anthropic
2024-02-29
Kimi K2 0905
Moonshot AI
2025-09-05
Pricing Comparison
Cost per million tokens (USD)
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Claude 3 Opus
Input:$15.00
Output:$75.00
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Kimi K2 0905
Input:$0.60
Output:$2.50($86.90 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 12 common benchmarks
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Claude 3 Opus
Average Score:74.8%(+32.8%)
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Kimi K2 0905
Average Score:42.0%
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3 Opus
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3 Opus
Avg Score:74.8%(+32.8%)
Providers:3
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Kimi K2 0905
Avg Score:42.0%
Providers:2