Looking for an honest Anthropic Claude 3 Opus vs xAI Grok 2 comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the xAI Grok 2 comes out ahead 44/100 to 63/100 — a 19-point gap. The widest gap is in display, where the xAI Grok 2 pulls noticeably ahead.
Anthropic
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xAI Grok 2 clearly outperforms the Anthropic Claude 3 Opus in the ai language models category, especially in value, scoring 63 vs 44. If you want the better overall ai language models, xAI Grok 2 is the recommended choice.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | 3 Opus | Grok 2 |
|---|---|---|
| Input (Prompt) | $15.00/1M | ✓$2.00/1M |
| Output (Completion) | $75.00/1M | ✓$10.00/1M |
| Open Source | Proprietary | Proprietary |
Context Window (tokens)
| Metric | 3 Opus | Grok 2 |
|---|---|---|
| Max Output | 4,096 tok | 4,096 tok |
| Speed | 35 tok/s | ✓100 tok/s |
| Time to First Token | 1.2s | ✓600ms |
| Languages | ✓50+ | 25+ |
Higher is better. Industry-standard AI evaluation benchmarks.
3 Opus
Grok 2
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3 Opus
Grok 2
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Grok 2
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Grok 2
| Feature | 3 Opus | Grok 2 |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✕ |
| Vision (Image Input) | ✓ | ✓ |
| Audio Input | ✕ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✕ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✓ |
| Fine-tuning Support | ✕ | ✕ |
| Batch API | ✓ | ✕ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✕ |
| Field | 3 Opus | Grok 2 |
|---|---|---|
| Provider | Anthropic | xAI |
| Knowledge Cutoff | 2023-08 | real-time |
| Best For | complex analysisresearchlong context | current eventsresearchreal time infogeneral |
Buy Anthropic Claude 3 Opus if…
The Anthropic Claude 3 Opus is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy xAI Grok 2 if…
Buy the xAI Grok 2 if you want the best camera quality in this comparison. It scores higher overall and is the recommended choice for most buyers.
xAI Grok 2 clearly outperforms the Anthropic Claude 3 Opus in the ai language models category, especially in value, scoring 63 vs 44. If you want the better overall ai language models, xAI Grok 2 is the recommended choice.
No, xAI Grok 2 scores higher (75 vs 75).
Check the latest prices using the buy links above.
The Anthropic Claude 3 Opus is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the xAI Grok 2 if you want the best camera quality in this comparison. It scores higher overall and is the recommended choice for most buyers.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
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