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GPT OSS 20B vs Granite 3.3 8B Instruct
Comprehensive side-by-side LLM comparison
Granite 3.3 8B Instruct leads with 30.6% higher average benchmark score. Granite 3.3 8B Instruct supports multimodal inputs. GPT OSS 20B is available on 4 providers. Overall, Granite 3.3 8B Instruct 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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IBM
Granite 3.3 8B Instruct is a multimodal language model developed by IBM. It achieves strong performance with an average score of 69.8% across 14 benchmarks. It excels particularly in HumanEval (89.7%), AttaQ (88.5%), HumanEval+ (86.1%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents IBM's latest advancement in AI technology.
3 months newer
Granite 3.3 8B Instruct
IBM
2025-04-16
GPT OSS 20B
OpenAI
2025-08-05
Performance Metrics
Context window and performance specifications
Average performance across 20 common benchmarks
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GPT OSS 20B
Average Score:18.3%
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Granite 3.3 8B Instruct
Average Score:48.9%(+30.6%)
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Knowledge Cutoff
Training data recency comparison
Granite 3.3 8B Instruct
2024-04-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
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:18.3%
Providers:4
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Granite 3.3 8B Instruct
Avg Score:48.9%(+30.6%)
Providers:0