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Gemma 3 27B vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 29.1% higher average benchmark score. Both models have similar pricing. Gemma 3 27B supports multimodal inputs. GPT OSS 20B is available on 4 providers. Overall, GPT OSS 20B is the stronger choice for coding tasks.
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Gemma 3 27B represents the largest variant in the Gemma 3 family, developed to provide flagship-level open-source capabilities. Built with advanced training methodologies and 27 billion parameters, it offers researchers and developers access to powerful language understanding without proprietary restrictions.
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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.
4 months newer
Gemma 3 27B
2025-03-12
GPT OSS 20B
OpenAI
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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Gemma 3 27B
Input:$0.10
Output:$0.20
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GPT OSS 20B
Input:$0.05
Output:$0.20($0.05 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemma 3 27B
Average Score:42.4%
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GPT OSS 20B
Average Score:71.5%(+29.1%)
Provider Availability & Performance
Available providers and their performance metrics
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Gemma 3 27B
2 providers
DeepInfra
Throughput: 33 tok/s
Latency: 0.2ms
Novita
Throughput: 33 tok/s
Latency: 0.2ms
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Gemma 3 27B
Avg Score:42.4%
Providers:2
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GPT OSS 20B
Avg Score:71.5%(+29.1%)
Providers:4