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GPT OSS 20B vs Gemini 3 Pro Preview

GPT OSS 20B is cheaper on output tokens, while Gemini 3 Pro Preview offers a larger context window. Choose GPT OSS 20B or Gemini 3 Pro Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT OSS 20BGemini 3 Pro Preview
ProviderNeonNeon
Input / 1M tokens$0.05$2.00
Output / 1M tokens$0.20$12.00
Context window131K1M
Parameters21B
Open weightsYesNo
ReleasedAug 2025Nov 2025

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.