+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT OSS 20B vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Kimi K2 0905 leads with 12.5% higher average benchmark score. Kimi K2 0905 offers 262.1K more tokens in context window than GPT OSS 20B. GPT OSS 20B is $2.85 cheaper per million tokens. GPT OSS 20B is available on 4 providers. Overall, Kimi K2 0905 is the stronger choice for coding tasks.
+
+
+
+
OpenAI
GPT OSS 20B is a language model developed by OpenAI. The model shows competitive results across 7 benchmarks. It excels particularly in MMLU (85.3%), CodeForces (83.9%), GPQA (71.5%). It supports a 262K token context window for handling large documents. The model is available through 4 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.
+
+
+
+
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 month newer
GPT OSS 20B
OpenAI
2025-08-05
Kimi K2 0905
Moonshot AI
2025-09-05
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT OSS 20B
Input:$0.05
Output:$0.20($2.85 cheaper)
+
+
+
+
Kimi K2 0905
Input:$0.60
Output:$2.50
Performance Metrics
Context window and performance specifications
Average performance across 11 common benchmarks
+
+
+
+
GPT OSS 20B
Average Score:33.3%
+
+
+
+
Kimi K2 0905
Average Score:45.8%(+12.5%)
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
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
+
+
+
+
+
+
GPT OSS 20B
Avg Score:33.3%
Providers:4
+
+
+
+
Kimi K2 0905
Avg Score:45.8%(+12.5%)
Providers:2