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GPT OSS 20B vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 36.9% higher average benchmark score. Grok Code Fast 1 offers 3.9K more tokens in context window than GPT OSS 20B. GPT OSS 20B is $1.45 cheaper per million tokens. GPT OSS 20B is available on 4 providers. Overall, GPT OSS 20B is the stronger choice for coding tasks.
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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.
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xAI
Grok Code Fast 1 is a language model developed by xAI. It achieves strong performance with an average score of 70.8% across 1 benchmarks. Notable strengths include SWE-Bench Verified (70.8%). It supports a 266K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents xAI's latest advancement in AI technology.
23 days newer
GPT OSS 20B
OpenAI
2025-08-05
Grok Code Fast 1
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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GPT OSS 20B
Input:$0.05
Output:$0.20($1.45 cheaper)
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Grok Code Fast 1
Input:$0.20
Output:$1.50
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
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GPT OSS 20B
Average Score:45.8%(+36.9%)
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Grok Code Fast 1
Average Score:8.8%
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:45.8%(+36.9%)
Providers:4
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Grok Code Fast 1
Avg Score:8.8%
Providers:1