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OpenAI: GPT-5.6 Terra Pro vs Google: Gemini Pro Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-5.6 Terra Pro Google: Gemini Pro Latest
Vendoropenai~google
Quality Score100100
Input Price$2.00/M$2.00/M
Output Price$12.00/M$12.00/M
Context Window1,050,0001,048,576
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓

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