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Gemini 1.5 Flash 8B vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 33.1% higher average benchmark score. Gemini 1.5 Flash 8B offers 794.6K more tokens in context window than GPT OSS 20B. Both models have similar pricing. Gemini 1.5 Flash 8B 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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Gemini 1.5 Flash 8B was developed as an ultra-compact variant of Gemini 1.5 Flash, designed to deliver multimodal capabilities with minimal resource requirements. Built for deployment scenarios where efficiency is critical, it provides a lightweight option for applications requiring fast, cost-effective AI processing.
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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.
1 year newer
Gemini 1.5 Flash 8B
2024-03-15
GPT OSS 20B
OpenAI
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 1.5 Flash 8B
Input:$0.07
Output:$0.30
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GPT OSS 20B
Input:$0.05
Output:$0.20($0.12 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 1.5 Flash 8B
Average Score:38.4%
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GPT OSS 20B
Average Score:71.5%(+33.1%)
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Flash 8B
2024-10-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 1.5 Flash 8B
1 providers
Throughput: 150 tok/s
Latency: 0.3ms
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GPT OSS 20B
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Gemini 1.5 Flash 8B
Avg Score:38.4%
Providers:1
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GPT OSS 20B
Avg Score:71.5%(+33.1%)
Providers:4