Anthropic: Claude Opus 5.5 (batch) vs SpaceXAI: Grok 4.7
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Anthropic: Claude Opus 5.5 (batch) | SpaceXAI: Grok 4.7 | |
|---|---|---|
| Vendor | anthropic | x-ai |
| Quality Score | 100 | 100 |
| Input Price | $2.00/M | $2.00/M |
| Output Price | $10.00/M | $6.00/M |
| Context Window | 1,000,000 | 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, Grok 4.7 costs $3.50 and Claude Opus 5.5 (batch) costs $4.50, so Grok 4.7 is about 1.3 times cheaper for the same work.
Claude Opus 5.5 (batch) reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 750 pages for Grok 4.7.
Across the 10 tasks where they differ, Grok 4.7 on 10 (SQL Generation, Code Completion, Code Documentation and others).
Pick Claude Opus 5.5 (batch) if you need long documents; pick Grok 4.7 if you need lower cost 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 | Anthropic: Claude Opus 5.5 (batch) | SpaceXAI: Grok 4.7 |
|---|---|---|
| SQL Generation | 132 | 133 |
| Code Completion | 117 | 118 |
| Code Documentation | 129 | 130 |
| Regex Writing | 117 | 118 |
| CSV / Spreadsheet Cleanup | 132 | 133 |
| JSON Extraction | 121 | 122 |
| Bulk Data Labeling | 118 | 119 |
| Long-Document Summarization | 136 | 137 |
| Short-Form Summarization | 113 | 114 |
| Blog Post Writing | 120 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →