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Gemini 1.5 Pro vs GPT OSS 120B
Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 12.5% higher average benchmark score. Gemini 1.5 Pro offers 1.8M more tokens in context window than GPT OSS 120B. GPT OSS 120B is $11.96 cheaper per million tokens. Gemini 1.5 Pro supports multimodal inputs. GPT OSS 120B is available on 5 providers. Overall, GPT OSS 120B is the stronger choice for coding tasks.
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Gemini 1.5 Pro was introduced as Google's advanced multimodal model with an expanded context window, designed to comprehend and reason across long documents, videos, and audio. Built to handle complex, information-rich tasks, it brought breakthrough capabilities in processing extended context while maintaining high-quality reasoning and generation.
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OpenAI
GPT-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
1 year newer
Gemini 1.5 Pro
2024-05-01
GPT OSS 120B
OpenAI
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 1.5 Pro
Input:$2.50
Output:$10.00
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GPT OSS 120B
Input:$0.09
Output:$0.45($11.96 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Gemini 1.5 Pro
Average Score:72.5%
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GPT OSS 120B
Average Score:85.0%(+12.5%)
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Pro
2023-11-01
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 Pro
1 providers
Throughput: 85 tok/s
Latency: 0.7ms
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GPT OSS 120B
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Gemini 1.5 Pro
Avg Score:72.5%
Providers:1
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GPT OSS 120B
Avg Score:85.0%(+12.5%)
Providers:5