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Gemma 3 1B Instruct vs GPT-5.1

Google vs OpenAI — benchmarks, pricing, and capabilities side by side.

  • GPT-5.1 has the higher intelligence index (89 vs 16.2)
  • Gemma 3 1B Instruct is cheaper ($0.00 vs $1.25 per 1M input)
Gemma 3 1B InstructGPT-5.1
Intelligence index16.289
DeveloperGoogleOpenAI
TypeLLMLLM
AccessAPI only
Context window400,000 tokens
Input price$0.00 / 1M$1.25 / 1M
Output price$0.00 / 1M$10.00 / 1M
Speed115 tok/s
ReleasedMarch 13, 2025November 12, 2025
Parameters
Input modalitiesText, Image
Output modalitiesText

Shared benchmarks

Gemma 3 1B Instruct
GPT-5.1
AIME 2025
3.3
94
GPQA Diamond
23.7
88.1
Humanity’s Last Exam
5.2
26.5
LiveCodeBench
1.7
86.8
MMLU-Pro
13.5
87