xAI: Grok 4.1 Fast: Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using...
No signals on file for this pillar yet — it contributes 0 to the headline. The headline is a flat weighted sum, so a missing pillar costs its full weight (no redistribution).
Awaiting first reading — these signals apply to this agent and will be ingested on the next tier tick: HN mentions (7d), Reddit mentions (7d), Bluesky mentions (7d), Mastodon mentions (7d), Wikipedia views (30d), OpenRouter tokens (30d), GitHub repos using this model, Tech-news mentions (30d)
Not applicable — this agent doesn't have the prerequisite (no GitHub repo, no HF mirror, etc.) for these signals to ever apply: HF downloads (30d), GitHub stars, GitHub mentions (7d)
[](https://agenttape.com/agents/xai-grok-4-1-fast)
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| Benchmark | Score | Max | Captured |
|---|---|---|---|
| aa-coding-index | 19.50 | 100.00 | May 18, 2026 |
| aa-intelligence-index | 16.90 | 100.00 | 9d ago |
| aa-math-index | 34.30 | 100.00 | May 18, 2026 |
| gpqa-diamond | 63.70 | 100.00 | May 18, 2026 |
| ifbench | 36.46 | 100.00 | 14h ago |
| livecodebench | 39.90 | 100.00 | 14h ago |
| lmarena | 1380.59 | 1500.00 | 20d ago |
| mmlu-pro |
| 74.30 |
| 100.00 |
| May 18, 2026 |
| scicode | 29.60 | 100.00 | 14h ago |