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Google: Gemini 3.1 Pro Preview vs OpenAI: o1 (batch)

Head-to-head API cost, context, and performance comparison. Synced at 3:22:25 PM.

Executive Summary

When evaluating Google: Gemini 3.1 Pro Preview against OpenAI: o1 (batch), the pricing structure is a key differentiator. Google: Gemini 3.1 Pro Preview is approximately 63% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, Google: Gemini 3.1 Pro Preview leads with a statistical ELO score of 1503. For tasks involving complex logic, coding, or instruction-following, developers might prefer Google: Gemini 3.1 Pro Preview, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
Google: Gemini 3.1 Pro Preview
OpenAI: o1 (batch)
Performance (ELO)
1503
1502
Input Cost / 1M
$2.00
$7.50
Output Cost / 1M
$12.00
$30.00
Context Window
1,048,576 tokens
200,000 tokens

Verdict

If you are looking for pure performance and capability, Google: Gemini 3.1 Pro Preview is statistically superior. However, if API burn rate is the primary concern, Google: Gemini 3.1 Pro Preview wins out aggressively in pricing.

People Also Ask

Is Google: Gemini 3.1 Pro Preview cheaper than OpenAI: o1 (batch)?

Yes. Google: Gemini 3.1 Pro Preview is cheaper for both input and output generation compared to OpenAI: o1 (batch). Exploring alternatives often yields cost reductions.

Which model has the larger context window?

The Google: Gemini 3.1 Pro Preview model has the advantage in memory, offering a massive 1,048,576 token limit for document ingestion.

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