Updated daily at 05:00 UTC
Language
Grok 4.6
- Released
- 12 Aug 2026
- Status
- Legacy
- Context
- 500K
- Max output
- —
- Input per 1M tokens
- $2.00
- Output per 1M tokens
- $6.00
- Open weights
- No
- License
- proprietary
- Parameters
- —
- Knowledge cutoff
- —
- Reasoning
- Yes
- Modalities
- text, image → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
| Category | Score | Rank | Coverage |
|---|---|---|---|
| Knowledge & reasoning | 48.9 | 19 | 4 of 4 |
| Coding & software engineering | 57.7 | Not ranked | 2 of 5 |
| Factuality & hallucination | 49.3 | 24 | 1 of 1 |
| Human preference | 64.8 | 1 | 3 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Knowledge & reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Chess Puzzles | Puzzles solved | 40.0% | Independent | high | 12 Aug 2026 | Epoch AI |
| Chess Puzzles | Puzzles solved | 31.0% | Independent | xhigh | 14 Aug 2026 | Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 97.3% | Third party | xhigh | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| Earthborne Rangers (EBR-bench) | Objectives reached | 30.5% | Independent | xhigh | 18 Aug 2026 | Epoch AI |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.4845 | Third party | xhigh | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| Mystery Game Puzzles | Puzzles solved | 34.0% | Independent | xhigh | 14 Aug 2026 | Epoch AI |
| SimpleBench | Score (AVG@5) | 75.9% | Third party | unknown | — | https://lmcouncil.ai/benchmarks via Epoch AI |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 94.0% | Independent | high | 12 Aug 2026 | Epoch AI |
| GPQA Diamond | Accuracy | 93.2% | Independent | xhigh | 14 Aug 2026 | Epoch AI |
Mathematics
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| FrontierMath Tier 4 | Accuracy | 31.7% | Independent | xhigh | 14 Aug 2026 | Epoch AI |
| FrontierMath Tiers 1-3 | Accuracy | 66.0% | Independent | xhigh | 14 Aug 2026 | Epoch AI |
| OTIS Mock AIME 2024-2025 | Accuracy | 99.2% | Independent | xhigh | 14 Aug 2026 | Epoch AI |
| OTIS Mock AIME 2024-2025 | Accuracy | 97.8% | Independent | high | 12 Aug 2026 | Epoch AI |
Coding & software engineering
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| DeepSWE | Pass@1 | 67.5% | Third party | medium | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 66.7% | Third party | xhigh | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 65.2% | Third party | high | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 41.6% | Third party | low | — | https://deepswe.datacurve.ai/ via Epoch AI |
| FrontierCode | Main score (Mean@5) | 48.0% | Third party | unknown | — | https://cognition.com/frontiercode via Epoch AI |
| WeirdML (v2) | Average accuracy | 67.3% | Third party | high | — | https://htihle.github.io/weirdml.html via Epoch AI |
Professional knowledge work
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| APEX-Agents | Pass@1 (all rubric criteria met) | 65.3% | Source not stated | unknown | — | Epoch AI via Epoch AI |
Vision & multimodal understanding
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Furniture Assembly | Score | 40.0% | Independent | xhigh | 24 Sep 2026 | Epoch AI |
Factuality & hallucination
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| SimpleQA Verified | Accuracy (% correct) | 49.3% | Independent | high | 27 Aug 2026 | Epoch AI |
| SimpleQA Verified | Accuracy (% correct) | 48.9% | Independent | xhigh | 27 Aug 2026 | Epoch AI |
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Code Arena: WebDev (arena.ai) | Arena score (Elo scale) | 1621 | Independent | high | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 7040 | Independent | high | 25 Sep 2026 | Arena |
| Document Arena (arena.ai) | Arena score (Elo scale) | 1461 | Independent | high | 13 Sep 2026 | Arena |
| Document Arena (arena.ai) | Votes | 2258 | Independent | high | 13 Sep 2026 | Arena |
| Text Arena (arena.ai) | Arena score (Elo scale) | 1453 | Independent | high | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 21380 | Independent | high | 25 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Arena score (Elo scale) | 1263 | Independent | high | 28 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Votes | 5374 | Independent | high | 28 Sep 2026 | Arena |
Other Grok versions
- Grok 4.721 Sep 2026
- Grok 4.58 Jul 2026
- Grok 4.317 Apr 2026
- Grok 4.20 Multi-Agent9 Mar 2026
- Grok 4.20Feb 2026
- Grok 4.1 Fast19 Nov 2025
- Grok 4.117 Nov 2025
- Grok 4 Fast19 Sep 2025
- Grok 49 Jul 2025
- Grok 317 Feb 2025
- Grok 3 Mini17 Feb 2025
- Grok 2 Vision12 Dec 2024
- Grok BetaNov 2024
- Grok Vision BetaNov 2024
- Grok 214 Aug 2024
- Grok 2 mini14 Aug 2024
- Grok-1.515 May 2024
- Grok-13 Nov 2023