head-to-head

OpenAI: GPT-6.1 Terra vs OpenAI: GPT-6.1 Sol (batch)

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

OpenAI: GPT-6.1 Terra OpenAI: GPT-6.1 Sol (batch)
Vendoropenaiopenai
Quality Score100100
Input Price$1.00/M$1.00/M
Output Price$5.00/M$5.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
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 read up to 1,050,000 tokens at once, roughly 1,575 pages of text.

GPT-6.1 Terra was released in October 2026 and GPT-6.1 Sol (batch) in September 2026.

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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