Grok 4 Nano on Arena Elo: score, rank and what it means
Grok 4 Nano scores 1374.2 on Arena Elo, placing it #298 of 600 models in the index. The benchmark average is 1349.9 and the leader is Claude Opus 4.5 Max at 1501.9.
Score distribution
The chart shows the top 10 models on Arena Elo, with Grok 4 Nano highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | Claude Opus 4.5 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 2 | GPT-5.2 Reasoning | OpenAI | 1000000 | $20.98 | 87.5 |
| 3 | GPT-5.2 Turbo | OpenAI | 1000000 | $20.73 | 87.4 |
| 4 | Claude Opus 4.5 Reasoning | Anthropic | 2000000 | $20.91 | 88.2 |
| 5 | GPT-5.2 Max | OpenAI | 1000000 | $21.39 | 89.2 |
| 6 | Gemini 3 Pro Turbo | Google DeepMind | 400000 | $19.62 | 86.4 |
| 7 | Grok 4 Max | xAI | 2000000 | $19.70 | 86.6 |
| 8 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 9 | GPT-5.1 Pro | OpenAI | 200000 | $19.77 | 87.8 |
| 10 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
What this score means
On Arena Elo, Grok 4 Nano sits at #298 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 127.7 points. The median model in this index scores 1373.8, which puts Grok 4 Nano above the midpoint.
xAI models average 1441.1 on this benchmark. Grok 4 Nano is 66.9 points below that provider line, so it is a weaker result than the average xAI model.
Among mid-range models, the average is 1332.0. Grok 4 Nano is 42.2 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.
Read a 1374.2 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.
Price context
At $8.97 per million input tokens, Grok 4 Nano is above the median input price of $4.00 across the 600 models scored on Arena Elo. The models immediately around it in the ranking are shown below so you can compare score and price together.
| Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|
| o4 Nano | OpenAI | 65536 | $8.61 | 72.0 |
| Llama 3 DeepInfra Base | DeepInfra | 16384 | $2.95 | 71.8 |
| Mixtral Groq Chat | Groq | 8192 | $3.09 | 72.0 |
| Gemma 3 Chat | Google DeepMind | 65536 | $3.74 | 74.5 |
| Grok 4 Nano | xAI | 16384 | $8.97 | 72.7 |
| Phi-4 Base | Microsoft | 32768 | $3.15 | 71.2 |
| QwQ Base | Alibaba Cloud | 65536 | $3.68 | 74.1 |
Other benchmarks for Grok 4 Nano
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 74.9 | 337 | 44th | |
| GPQA Diamond | 69.0 | 294 | 51th | |
| SWE-bench Verified | 60.9 | 305 | 49th | |
| HumanEval | 76.2 | 325 | 46th | |
| MATH-500 | 74.9 | 328 | 45th | |
| AIME 2025 | 66.0 | 331 | 45th | |
| LiveCodeBench | 66.5 | 262 | 56th | |
| IFEval | 80.6 | 319 | 47th | |
| TruthfulQA | 74.8 | 334 | 44th | |
| HellaSwag | 84.9 | 251 | 58th | |
| MMMU | 71.5 | 255 | 58th |
FAQ
What score does Grok 4 Nano get on Arena Elo?
Grok 4 Nano scores 1374.2 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.
How does Grok 4 Nano rank on Arena Elo?
It ranks #298 of 600 models, in the 50th percentile. The leader is Claude Opus 4.5 Max at 1501.9.
Is Grok 4 Nano good at Arena Elo?
Yes, relative to the index: it is above the median and inside the top half of scores. The result should be read alongside its price and context window.
How is the Arena Elo score calculated?
Arena Elo is a preference benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.
What does Grok 4 Nano cost?
Grok 4 Nano costs $8.97 per million input tokens and $39.88 per million output tokens.