OpenAI: GPT-5.6 Terra Pro vs Google: Gemini Pro Latest
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT-5.6 Terra Pro | Google: Gemini Pro Latest | |
|---|---|---|
| Vendor | openai | |
| Quality Score | 100 | 100 |
| Input Price | $2.00/M | $2.00/M |
| Output Price | $12.00/M | $10.00/M |
| Context Window | 1,050,000 | 1,048,576 |
| Max Output | 128,000 | 943,718 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Gemini Pro Latest costs $4.50 and GPT-5.6 Terra Pro costs $5.00, so Gemini Pro Latest is slightly cheaper for the same work.
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 Pro Latest offers audio input and video input.
Across the 10 tasks where they differ, Gemini Pro Latest on 10 (SQL Generation, Code Completion, Code Documentation and others).
GPT-5.6 Terra Pro was released in July 2026 and Gemini Pro Latest in April 2026.
Pick Gemini Pro Latest if you need lower cost, audio input, video input or the stronger all-round task scores.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | OpenAI: GPT-5.6 Terra Pro | Google: Gemini Pro Latest |
|---|---|---|
| SQL Generation | 132 | 132 |
| Code Completion | 117 | 117 |
| Code Documentation | 129 | 129 |
| Regex Writing | 117 | 117 |
| CSV / Spreadsheet Cleanup | 132 | 132 |
| JSON Extraction | 121 | 121 |
| Bulk Data Labeling | 117 | 118 |
| Long-Document Summarization | 136 | 136 |
| Short-Form Summarization | 113 | 113 |
| Blog Post Writing | 120 | 120 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →