head-to-head

OpenAI: GPT-6.1 Terra Pro vs Google: Gemini 4 Argon (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-02.

OpenAI: GPT-6.1 Terra Pro Google: Gemini 4 Argon (batch)
Vendoropenaigoogle
Quality Score100100
Input Price$1.00/M$1.00/M
Output Price$5.00/M$5.00/M
Context Window1,050,0001,048,576
Max Output128,000943,718
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, both cost $2.25 at current list prices.

Both take in a similar amount of text: 1,050,000 and 1,048,576 tokens, about 1,575 and 1,573 pages.

Only Gemini 4 Argon (batch) offers audio input and video input.

Pick Gemini 4 Argon (batch) if you need audio input or video input.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

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