Zephyr 7B on Arena Elo: score, rank and what it means
Zephyr 7B scores 1129.9 on Arena Elo, placing it #594 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 Zephyr 7B 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, Zephyr 7B sits at #594 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 372.0 points. The median model in this index scores 1373.8, which puts Zephyr 7B below the midpoint.
Hugging Face models average 1219.9 on this benchmark. Zephyr 7B is 90.0 points below that provider line, so it is a weaker result than the average Hugging Face model.
Among small open-weight models, the average is 1224.7. Zephyr 7B is 94.8 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.
Read a 1129.9 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 $0.23 per million input tokens, Zephyr 7B is below 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 |
|---|---|---|---|---|
| SmolLM3 7B | Hugging Face | 16384 | $0.19 | 44.3 |
| Zephyr 8B | Hugging Face | 8192 | $0.22 | 43.0 |
| Pythia 8B | EleutherAI | 32768 | $0.16 | 41.4 |
| GPT-NeoX 7B | EleutherAI | 8192 | $0.20 | 42.4 |
| Zephyr 7B | Hugging Face | 32768 | $0.23 | 42.5 |
| Nemotron Nano 1.5B | NVIDIA | 8192 | $0.10 | 41.5 |
| GPT-NeoX 1.5B | EleutherAI | 32768 | $0.06 | 36.4 |
Other benchmarks for Zephyr 7B
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 52.8 | 582 | 3th | |
| GPQA Diamond | 37.4 | 593 | 1th | |
| SWE-bench Verified | 25.2 | 595 | 1th | |
| HumanEval | 42.6 | 595 | 1th | |
| MATH-500 | 43.1 | 586 | 2th | |
| AIME 2025 | 25.6 | 593 | 1th | |
| LiveCodeBench | 27.6 | 589 | 2th | |
| IFEval | 56.5 | 586 | 2th | |
| TruthfulQA | 51.5 | 587 | 2th | |
| HellaSwag | 64.4 | 587 | 2th | |
| MMMU | 41.2 | 592 | 1th |
FAQ
What score does Zephyr 7B get on Arena Elo?
Zephyr 7B scores 1129.9 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.
How does Zephyr 7B rank on Arena Elo?
It ranks #594 of 600 models, in the 1st percentile. The leader is Claude Opus 4.5 Max at 1501.9.
Is Zephyr 7B good at Arena Elo?
It is below the median for this benchmark, so test it carefully before relying on it for this capability. 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 Zephyr 7B cost?
Zephyr 7B costs $0.23 per million input tokens and $0.93 per million output tokens.