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Kimi K2 vs o1 mini
Comprehensive side-by-side LLM comparison
Kimi K2 offers 70.7K more tokens in context window than o1 mini. Kimi K2 is $2.40 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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Moonshot AI
Kimi K2, released by Moonshot AI on July 11, 2025, is an open-weight Mixture-of-Experts large language model with 1 trillion total parameters and 32 billion active parameters per inference. It features a 256K token context window (expanded from 128K in an September 2025 update) and demonstrated strong performance on agentic coding benchmarks. Kimi K2 targets software engineering agents, tool-use workflows, and open-source deployments under a modified MIT license.
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OpenAI
OpenAI o1 mini, released by OpenAI in September 2024, is a lightweight reasoning model from the o1 family optimized for efficient STEM problem-solving at lower cost and latency. It features a 128K token context window and applies chain-of-thought reasoning specifically tuned for mathematics, science, and coding tasks. o1 mini targets use cases where rapid, cost-efficient reasoning is preferred over the broader capabilities of the full o1 model.
10 months newer
o1 mini
OpenAI
2024-09-12
Kimi K2
Moonshot AI
2025-07-11
Pricing Comparison
Cost per million tokens (USD)
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Kimi K2
Input:$0.60
Output:$2.50($2.40 cheaper)
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o1 mini
Input:$1.10
Output:$4.40
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Kimi K2
1 providers
Moonshot AI
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o1 mini
1 providers
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Kimi K2
Avg Score:0.0%
Providers:1
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o1 mini
Avg Score:0.0%
Providers:1