Research-Eval
Grok 4 Fast 66% Dropped
Search-augmented models answer 374 grounded multi-hop questions that need sources across many kinds of websites. An LLM judge checks each answer against a checklist of requirements.
Reka in-house tutors wrote 606 candidate questions and kept 374 after double annotation. Reka recommends deepseek-v3-0324 as the judge so results stay comparable.
Made by Reka AI Released Aug 2025 Deep research All tasks public Last in a launch post Nov 2025 , dropped before it saturated
Last model added Nov 2025
- Level
- Expert Specialists with years of training, often over hours of work
- Scored
- Graded by a model A language model scores each response, usually against a rubric.
- Answers
- Short answer A number, word or short string matched to a key.
2
Models scored in lab cards
2
Launch posts list it, from 1 lab
Grok 4 Fast leads with 66%
Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.
- 1 Grok 4 Fast 66%
- 2 Grok 4.1 Fast 63.9%
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Grok 4 Fast | 66% | Sep 2025 | Model card | |
| 2 | Grok 4.1 Fast | 63.9% | Nov 2025 | Model card |
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Reported by the lab in its model card
No launch post has listed it since Nov 2025
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| 19 Nov 2025 | Grok 4.1 Fast | 63.9 | Research-Eval Reka (Grok 4.1 Fast, Agent Tools API) |
| 19 Sep 2025 | Grok 4 Fast | 66 | Reka Research Eval pass@1 |
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