OpenAI: GPT Terra Latest vs SpaceXAI: Grok 4.6
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT Terra Latest | SpaceXAI: Grok 4.6 | |
|---|---|---|
| Vendor | ~openai | x-ai |
| Quality Score | 100 | 100 |
| Input Price | $1.00/M | $2.00/M |
| Output Price | $5.00/M | $6.00/M |
| Context Window | 1,050,000 | 500,000 |
| Max Output | 128,000 | 450,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, GPT Terra Latest costs $2.25 and Grok 4.6 costs $3.50, so GPT Terra Latest is about 1.6 times cheaper for the same work.
GPT Terra Latest reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 750 pages for Grok 4.6.
Across the 10 tasks where they differ, GPT Terra Latest scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).
GPT Terra Latest was released in September 2026 and Grok 4.6 in August 2026.
Pick GPT Terra Latest if you need lower cost, long documents 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 Terra Latest | SpaceXAI: Grok 4.6 |
|---|---|---|
| SQL Generation | 133 | 133 |
| Code Completion | 118 | 118 |
| Code Documentation | 130 | 130 |
| Regex Writing | 118 | 118 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| JSON Extraction | 122 | 122 |
| Bulk Data Labeling | 120 | 119 |
| Long-Document Summarization | 137 | 137 |
| Short-Form Summarization | 114 | 114 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →