xAI, unknown
Grok 4 Heavy
Grok 4 Heavy by xAI has 1 published benchmark result on Noometry, not yet enough to be ranked.
Last verified
Specifications
- Noometry rank
- Unranked
- Index score
- Not ranked
- Evidence
- 1 results
- Provider
- xAI
- Released
- July 10, 2025
- Weights
- Unknown
- Reasoning
- Unknown
- Context window
- —
- Max output
- —
- Input price
- Not listed
- Output price
- Not listed
- Blended price
- Not listed
- Output speed
- Not measured
- Value
- Not ranked
- Knowledge cutoff
- Unknown
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Benchmark results
Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.
Math
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| FrontierMath Tier 4 (v1) | 2.1% | #45 of 55, top 82% | Epoch AI | 2025-10-09 |
Compare Grok 4 Heavy
- Grok 4 Heavy vs GPT-6 Astra
- Grok 4 Heavy vs Claude Fable 5.1
- Grok 4 Heavy vs Claude Opus 5.5
- Grok 4 Heavy vs Claude Opus 5
- Grok 4 Heavy vs Claude Fable 5
- Grok 4 Heavy vs GPT-6.1 Sol
- Grok 4 Heavy vs Gemini 3.8 Flash
- Grok 4 Heavy vs Kimi K3
- Grok 4 Heavy vs Qwen3.8 Max
- Grok 4 Heavy vs GLM-5.3
- Grok 4 Heavy vs Muse Spark 1.3
- Grok 4 Heavy vs DeepSeek V4 Pro
- Grok 4 Heavy vs MiMo-V2.6-Pro
Other xAI models
- Grok 4.656.9
- Grok 4.555.0
- Grok 4.753.1
- Grok 4.20 (Non-Reasoning)48.6
- Grok 448.1
- Grok 4.20 Multi-Agent46.2
- Grok 4.343.8
- Grok 4.141.5
Frequently asked questions
How good is Grok 4 Heavy?
Grok 4 Heavy by xAI has 1 published benchmark result on Noometry, not yet enough to be ranked.
Is Grok 4 Heavy open source?
xAI has not published downloadable weights for Grok 4 Heavy that we can confirm.