xAI, proprietary
Grok-3 mini
Grok-3 mini by xAI ranks 141st of 354 ranked models on the Noometry Index as of October 2026, with a score of 41.2. Its strongest category is instruction following, where it ranks 9th.
Last verified
Specifications
- Noometry rank
- #141 of 354
- Index score
- 41.2
- Evidence
- Confirmed 35 results
- Provider
- xAI
- Released
- April 9, 2025
- Weights
- Proprietary
- Reasoning
- Unknown
- Context window
- —
- Max output
- —
- Input price
- Not listed
- Output price
- Not listed
- Blended price
- Not listed
- Output speed
- 10 tokens/s Kagi
- Value
- Not ranked
- Knowledge cutoff
- Unknown
Category scores
Each category score combines every public result we have in that category.
- Coding 40.8
- Reasoning 13.6
- Math 42.1
- Knowledge 46.4
- Multilingual 48.1
- Instruction Following 78.5
- Long Context 41.0
- Writing & Preference 52.5
| Category | Score | Rank | Results |
|---|---|---|---|
| Coding | 40.8 | #131 | 3 |
| Reasoning | 13.6 | #334 | 4 |
| Math | 42.1 | #85 | 4 |
| Knowledge | 46.4 | #81 | 5 |
| Multilingual | 48.1 | #145 | 1 |
| Instruction Following | 78.5 | #9 | 2 |
| Long Context | 41.0 | #147 | 2 |
| Writing & Preference | 52.5 | #169 | 5 |
Strengths and weaknesses
Categories where Grok-3 mini places highest and lowest among the models ranked in each, with its score against that category's median.
Strongest categories
| Category | Score | vs median | Rank |
|---|---|---|---|
| Instruction Following | 78.5 | +7.3 | #9 of 305, top 3% |
| Knowledge | 46.4 | +9.1 | #81 of 314, top 26% |
| Math | 42.1 | +5.5 | #85 of 327, top 26% |
Weakest categories
| Category | Score | vs median | Rank |
|---|---|---|---|
| Reasoning | 13.6 | −10.0 | #334 of 350, top 96% |
| Writing & Preference | 52.5 | −1.3 | #169 of 312, top 55% |
| Long Context | 41.0 | +0.1 | #147 of 296, top 50% |
Closest competitors
The models ranked just above and below Grok-3 mini. When scores are this close, price and speed are often the better way to choose.
| Model | Rank | Score | Blended $/M | Speed | |
|---|---|---|---|---|---|
| GLM-4.6V | #137 | 41.3 | $0.45 | — | Compare |
| MiMo-V2-Flash | #138 | 41.3 | $0.18 | — | Compare |
| Hunyuan Turbos 20250226 | #139 | 41.3 | — | — | Compare |
| Kimi K2 (Jul 2025) | #140 | 41.2 | $1 | 201 | Compare |
| Claude Opus 4.1 | #142 | 41.0 | $30 | — | Compare |
| o1 | #143 | 40.9 | $26.25 | — | Compare |
| Gemini 3.1 Flash Lite | #144 | 40.8 | $0.56 | 10 | Compare |
| Claude Sonnet 4 | #145 | 40.8 | $6 | 31 | Compare |
Sponsored placements are available on pages like this one. Advertise on Noometry
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.
Coding
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| Aider Polyglot | 49.3% | #23 of 44, top 53% | high | Epoch AI | |
| Aider Polyglot | 34.7% | low | Epoch AI | ||
| WeirdML | 42.6% | #69 of 119, top 58% | high | Epoch AI | |
| WeirdML | 42.6% | #69 of 119, top 58% | high | Epoch AI | |
| LMArena Coding | 1367 | LMArena | 2026-10-08 | ||
| LMArena Coding | 1379 | #151 of 294, top 52% | high | LMArena | 2026-10-08 |
Reasoning
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| ARC-AGI-2 | 0.4% | #74 of 83, top 90% | low | Epoch AI | |
| Kagi LLM Benchmark | 61.3% | #41 of 99, top 42% | Kagi LLM Benchmark | ||
| ARC-AGI-1 | 16.5% | #70 of 83, top 85% | low | Epoch AI | |
| ARC-AGI-1 | 16.5% | #70 of 83, top 85% | low | Epoch AI | |
| LMArena Hard Prompts | 1364 | LMArena | 2026-10-08 | ||
| LMArena Hard Prompts | 1375 | #141 of 297, top 48% | high | LMArena | 2026-10-08 |
| Epoch Capabilities Index | 140.35 | #106 of 213, top 50% | Epoch AI | 2025-06-24 |
Math
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| OTIS Mock AIME 2024-2025 | 77.8% | #83 of 173, top 48% | high | Epoch AI | 2025-04-10 |
| OTIS Mock AIME 2024-2025 | 62.2% | low | Epoch AI | 2025-04-10 | |
| Omni-MATH | 31.8% | #36 of 57, top 64% | HELM Capabilities | ||
| LMArena Math | 1372 | LMArena | 2026-10-08 | ||
| LMArena Math | 1386 | #142 of 285, top 50% | high | LMArena | 2026-10-08 |
| MATH Level 5 | 88.1% | high | Epoch AI | 2025-04-10 | |
| MATH Level 5 | 90.9% | #14 of 79, top 18% | low | Epoch AI | 2025-04-10 |
| FrontierMath (Feb 2025 set) | 5.9% | #44 of 68, top 65% | high | Epoch AI | 2025-04-10 |
| FrontierMath (Feb 2025 set) | 2.8% | low | Epoch AI | 2025-04-10 |
Knowledge
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| GPQA Diamond | 75.5% | high | Epoch AI | 2025-05-26 | |
| GPQA Diamond | 76.3% | #90 of 186, top 49% | low | Epoch AI | 2025-04-10 |
| MMLU-Pro | 79.9% | #16 of 58, top 28% | HELM Capabilities | ||
| Confabulations (lower is better) | 10.8% | #3 of 51, top 6% | high | Lech Mazur benchmarks | |
| GPQA (HELM) | 67.5% | #14 of 57, top 25% | HELM Capabilities | ||
| LMArena Expert | 1366 | LMArena | 2026-10-08 | ||
| LMArena Expert | 1395 | #129 of 273, top 48% | high | LMArena | 2026-10-08 |
Multilingual
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Non-English | 1349 | LMArena | 2026-10-08 | ||
| LMArena Non-English | 1352 | #145 of 297, top 49% | high | LMArena | 2026-10-08 |
| LMArena Chinese | 1377 | LMArena | 2026-10-08 | ||
| LMArena Chinese | 1387 | #144 of 285, top 51% | high | LMArena | 2026-10-08 |
| LMArena French | 1357 | #143 of 223, top 65% | LMArena | 2026-10-08 | |
| LMArena French | 1347 | high | LMArena | 2026-10-08 | |
| LMArena German | 1347 | LMArena | 2026-10-08 | ||
| LMArena German | 1349 | #132 of 231, top 58% | high | LMArena | 2026-10-08 |
| LMArena Japanese | 1342 | #103 of 211, top 49% | LMArena | 2026-10-08 | |
| LMArena Japanese | 1317 | high | LMArena | 2026-10-08 | |
| LMArena Korean | 1306 | LMArena | 2026-10-08 | ||
| LMArena Korean | 1335 | #112 of 213, top 53% | high | LMArena | 2026-10-08 |
| LMArena Russian | 1353 | #145 of 283, top 52% | LMArena | 2026-10-08 | |
| LMArena Russian | 1351 | high | LMArena | 2026-10-08 | |
| LMArena Spanish | 1381 | #126 of 226, top 56% | LMArena | 2026-10-08 | |
| LMArena Spanish | 1359 | high | LMArena | 2026-10-08 |
Instruction Following
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| IFEval | 95.1% | Best of 57 | HELM Capabilities | ||
| LMArena Instruction Following | 1346 | LMArena | 2026-10-08 | ||
| LMArena Instruction Following | 1357 | #140 of 298, top 47% | high | LMArena | 2026-10-08 |
Long Context
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| Fiction.LiveBench | 66.7% | #20 of 47, top 43% | medium | Epoch AI | |
| LMArena Longer Query | 1357 | LMArena | 2026-10-08 | ||
| LMArena Longer Query | 1372 | #138 of 291, top 48% | high | LMArena | 2026-10-08 |
Writing & Preference
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Text | 1364 | LMArena | 2026-10-08 | ||
| LMArena Text | 1370 | #144 of 297, top 49% | high | LMArena | 2026-10-08 |
| LMArena Creative Writing | 1342 | #137 of 295, top 47% | LMArena | 2026-10-08 | |
| LMArena Creative Writing | 1335 | high | LMArena | 2026-10-08 | |
| Short-Story Creative Writing | 73.5% | #28 of 39, top 72% | low | Epoch AI | |
| WildBench | 65.1% | #57 of 57, top 100% | HELM Capabilities | ||
| LMArena Multi-Turn | 1351 | LMArena | 2026-10-08 | ||
| LMArena Multi-Turn | 1355 | #151 of 295, top 52% | high | LMArena | 2026-10-08 |
Compare Grok-3 mini
- Grok-3 mini vs Grok 2 Mini 2024 08 13
- Grok-3 mini vs Kimi K2 (Jul 2025)
- Grok-3 mini vs Claude Opus 4.1
- Grok-3 mini vs Hunyuan Turbos 20250226
- Grok-3 mini vs o1
- Grok-3 mini vs MiMo-V2-Flash
- Grok-3 mini vs Gemini 3.1 Flash Lite
- Grok-3 mini vs GPT-6 Astra
- Grok-3 mini vs Claude Fable 5.1
- Grok-3 mini vs Gemini 3.8 Flash
- Grok-3 mini vs Kimi K3
- Grok-3 mini vs Qwen3.8 Max
- Grok-3 mini vs GLM-5.3
- Grok-3 mini vs Muse Spark 1.3
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-3 mini?
Grok-3 mini by xAI ranks 141st of 354 ranked models on the Noometry Index as of October 2026, with a score of 41.2. Its strongest category is instruction following, where it ranks 9th.
Is Grok-3 mini open source?
No. Grok-3 mini is proprietary and available only through xAI's API and partner platforms.
How fast is Grok-3 mini?
Grok-3 mini generated about 10 output tokens per second in the Kagi LLM Benchmark's timed runs. Speed varies by provider, load and reasoning effort.
What are Grok-3 mini's strengths and weaknesses?
Relative to other ranked models, Grok-3 mini places best in instruction following, knowledge, math and lowest in reasoning, writing & preference, long context.
What is Grok-3 mini best at?
Its best category is instruction following, where it ranks 9th on Noometry.