Live technical benchmark comparing token limits, input/output API pricing, and modalities.
google/gemini-3.1-pro
openai/gpt-4o
The primary differentiator in developer workflow design is context retention capacity. Gemini 3.1 Pro offers a context window of 2,000,000 tokens, while OpenAI: GPT-4o supports up to 128,000 tokens.
This gives Gemini 3.1 Pro a substantial advantage of 16x larger prompt processing capacity, making it the ideal choice for loading massive codebases, long runbooks, or extensive research data.
Evaluating pricing metrics is critical for running high-frequency background cron workflows.For input queries, Gemini 3.1 Pro costs $1.25 per 1M tokens, compared to $2.50 per 1M tokens for OpenAI: GPT-4o.
Gemini 3.1 Pro is the more cost-effective choice for input prompts, yielding savings of 50% compared to OpenAI: GPT-4o. Similarly, output generations are cheaper on Gemini 3.1 Pro ($5.00 vs $10.00), representing a savings of 50% on completion tokens.
Gemini 3.1 Pro is better for large document parsing due to its larger context capacity of 2,000,000 tokens, enabling it to fit approximately 16x more content than OpenAI: GPT-4o in a single prompt.
Gemini 3.1 Pro is more budget-friendly for prompt inputs, costing $1.25 per million tokens (a saving of 50%). For output completion tokens, Gemini 3.1 Pro is more cost-effective ($5.00 per 1M tokens).
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