# Grok 4 Heavy vs Claude Opus 4.7 (2026): Benchmarks, Price & Verdict | Alher Tech

> Grok 4 Heavy vs Claude Opus 4.7: head-to-head 2026 comparison across Arena Elo, MMLU, GPQA, HumanEval, context window and pricing. Verdict + use cases.

- Canonical page: https://alhertech.com/en/ai-comparison/grok-4-heavy-vs-claude-opus-4-7/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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|  | Grok 4 Heavy | Claude Opus 4.7 |
| --- | --- | --- |
| arenaElo | 1391 | 1420 |
| humanEval | 88.4 | 93.1 |
| sweBench | 55 | 64.3 |
| mmlu | 89.3 | 92.3 |
| gpqa | 74.5 | 65.2 |
| aime | 92 | 88 |
| Price in/out ($/M) | $15 / $60 | $15 / $75 |

## Our verdict

Grok 4 Heavy beats Opus 4.7 on GPQA (74.5 vs 65.2) thanks to multi-agent debate; Opus 4.7 wins on context, coding and agent reliability. Pick Grok Heavy for hard one-shot reasoning; Opus 4.7 for everything else.

[Grok 4 Heavy](https://alhertech.com/en/ai-comparison/grok-4-heavy/) · [Claude Opus 4.7](https://alhertech.com/en/ai-comparison/claude-opus-4-7/) · [All AI model comparisons](https://alhertech.com/en/ai-comparison/)