Zephyr Chat on HellaSwag: score, rank and what it means
Zephyr Chat scores 76.5 on HellaSwag, placing it #421 of 600 models in the index. The benchmark average is 81.4 and the leader is GPT-5.2 Max at 96.1.
Score distribution
The chart shows the top 10 models on HellaSwag, with Zephyr Chat highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | GPT-5.2 Max | OpenAI | 1000000 | $21.39 | 89.2 |
| 2 | GPT-5.2 Turbo | OpenAI | 1000000 | $20.73 | 87.4 |
| 3 | GPT-5.2 Pro | OpenAI | 2000000 | $21.32 | 89.6 |
| 4 | Claude Opus 4.5 Pro | Anthropic | 200000 | $20.98 | 89.1 |
| 5 | Claude Sonnet 4.5 Reasoning | Anthropic | 400000 | $19.48 | 87.7 |
| 6 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
| 7 | GPT-5.2 Vision | OpenAI | 1000000 | $19.03 | 87.4 |
| 8 | Gemini 3 Pro Turbo | Google DeepMind | 400000 | $19.62 | 86.4 |
| 9 | GPT-5.1 Reasoning | OpenAI | 400000 | $20.27 | 88.3 |
| 10 | o4 Pro | OpenAI | 1000000 | $19.37 | 87.3 |
What this score means
On HellaSwag, Zephyr Chat sits at #421 of 600. The leader, GPT-5.2 Max, scores 96.1, so the gap to the top is 19.6 points. The median model in this index scores 83.6, which puts Zephyr Chat below the midpoint.
Hugging Face models average 70.2 on this benchmark. Zephyr Chat is 6.3 points above that provider line, so it is a stronger result than the average Hugging Face model.
Among open-weight models, the average is 80.2. Zephyr Chat is 3.7 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 76.5 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 $1.49 per million input tokens, Zephyr Chat is below the median input price of $4.00 across the 600 models scored on HellaSwag. 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 |
|---|---|---|---|---|
| Embed 4 Max | Cohere | 8192 | $5.68 | 66.1 |
| Llama 4 Maverick 8B | Meta AI | 4096 | $1.64 | 63.4 |
| Qwen3-Coder 8B | Alibaba Cloud | 32768 | $1.43 | 61.3 |
| Embed 4 Reasoning | Cohere | 4096 | $5.50 | 65.3 |
| Zephyr Chat | Hugging Face | 4096 | $1.49 | 61.3 |
| Mistral Large 3 8B | Mistral AI | 16384 | $1.62 | 61.6 |
| Zephyr | Hugging Face | 8192 | $1.61 | 62.8 |
Other benchmarks for Zephyr Chat
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 68.4 | 413 | 31th | |
| GPQA Diamond | 56.7 | 445 | 26th | |
| SWE-bench Verified | 49.1 | 429 | 29th | |
| HumanEval | 65.5 | 436 | 27th | |
| MATH-500 | 61.3 | 451 | 25th | |
| AIME 2025 | 51.8 | 444 | 26th | |
| LiveCodeBench | 51.2 | 438 | 27th | |
| IFEval | 71.8 | 432 | 28th | |
| TruthfulQA | 64.6 | 464 | 23th | |
| MMMU | 56.9 | 472 | 21th | |
| Arena Elo | 1281.0 | 443 | 26th |
FAQ
What score does Zephyr Chat get on HellaSwag?
Zephyr Chat scores 76.5 on HellaSwag in this index. The benchmark average is 81.4 and the top score is 96.1.
How does Zephyr Chat rank on HellaSwag?
It ranks #421 of 600 models, in the 30th percentile. The leader is GPT-5.2 Max at 96.1.
Is Zephyr Chat good at HellaSwag?
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 HellaSwag score calculated?
HellaSwag is a commonsense 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 Chat cost?
Zephyr Chat costs $1.49 per million input tokens and $8.02 per million output tokens.