Thinking Machines: Inkling vs SpaceXAI: Grok Build 0.1
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Thinking Machines: Inkling | SpaceXAI: Grok Build 0.1 | |
|---|---|---|
| Vendor | thinkingmachines | x-ai |
| Quality Score | 100 | 100 |
| Input Price | $1.00/M | $1.00/M |
| Output Price | $4.05/M | $2.00/M |
| Context Window | 524,288 | 256,000 |
| Max Output | 471,859 | 230,400 |
| Tool Calling | ✓ | ✓ |
| Structured Output | - | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Grok Build 0.1 costs $1.50 and Inkling costs $2.01, so Grok Build 0.1 is about 1.3 times cheaper for the same work.
Inkling reads up to 524,288 tokens at once, roughly 786 pages of text, against about 384 pages for Grok Build 0.1.
Only Inkling offers audio input; only Grok Build 0.1 offers structured output.
Across the 20 tasks where they differ, Inkling scores higher on 8 (Code Review, Code Completion, Code Refactoring and others), Grok Build 0.1 on 12 (SQL Generation, Unit Test Generation, Regex Writing and others).
Inkling was released in July 2026 and Grok Build 0.1 in May 2026.
Pick Inkling if you need long documents or audio input; pick Grok Build 0.1 if you need lower cost or structured output.
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 | Thinking Machines: Inkling | SpaceXAI: Grok Build 0.1 |
|---|---|---|
| SQL Generation | 125 | 130 |
| Code Review | 128 | 126 |
| Code Completion | 119 | 116 |
| Code Refactoring | 132 | 127 |
| Bug Fixing | 136 | 130 |
| Unit Test Generation | 116 | 121 |
| Code Documentation | 131 | 125 |
| Regex Writing | 119 | 119 |
| CI/CD Pipelines | 116 | 117 |
| Frontend Component Design | 118 | 122 |
| Data Analysis | 120 | 124 |
| CSV / Spreadsheet Cleanup | 121 | 127 |
| ETL Scripting | 124 | 122 |
| JSON Extraction | 111 | 123 |
| Bulk Data Labeling | 116 | 121 |
| OCR / Document Parsing | 123 | 128 |
| Table Extraction from PDFs | 123 | 128 |
| Long-Document Summarization | 137 | 129 |
| Short-Form Summarization | 115 | 115 |
| Blog Post Writing | 121 | 118 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →