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GPT OSS 20B vs Kimi K2 Instruct
Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 1.6% higher average benchmark score. GPT OSS 20B is $2.62 cheaper per million tokens. GPT OSS 20B is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-OSS 20B was created as a smaller open-source variant, designed to balance capability with accessibility for researchers and developers. Built with 20 billion parameters, it provides a more approachable entry point for those seeking to work with open-source language models while benefiting from OpenAI's architectural insights.
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Moonshot AI
Kimi K2 Instruct was developed as the instruction-tuned version of Kimi K2, designed to follow user instructions reliably across diverse tasks. Built to serve general-purpose conversational and task-completion applications, it provides Moonshot's accessible interface for language AI.
25 days newer
Kimi K2 Instruct
Moonshot AI
2025-07-11
GPT OSS 20B
OpenAI
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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GPT OSS 20B
Input:$0.05
Output:$0.20($2.62 cheaper)
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Kimi K2 Instruct
Input:$0.57
Output:$2.30
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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GPT OSS 20B
Average Score:58.0%(+1.6%)
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Kimi K2 Instruct
Average Score:56.4%
Provider Availability & Performance
Available providers and their performance metrics
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GPT OSS 20B
4 providers
Groq
Throughput: 1000 tok/s
Latency: 0.38ms
Novita
OpenAI
Throughput: 115 tok/s
Latency: 5.2ms
ZeroEval
Throughput: 1000 tok/s
Latency: 0.38ms
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GPT OSS 20B
Avg Score:58.0%(+1.6%)
Providers:4
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Kimi K2 Instruct
Avg Score:56.4%
Providers:1