Model benchmarks
Nex-N2.5-mini-MLX-4bit local LLM performance
As of September 2026, Nex-N2.5-mini-MLX-4bit runs at up to 140.7 tok/s for local inference (best of 20 community benchmark runs across 1 GPU).
Model size
4B
Peak speed
140.7 tok/s
Average speed
137.0 tok/s
Avg prefill
1509.2 tok/s
Min memory
18.7 GB
Max context
262,144 tokens
Avg output / run
46,198 tokens
Avg runtime / run
5m 57s
Avg quality
80.3
Benchmark runs
20
GPUs tested
1
Quality by task
Average LLM-judged quality (0–100) with the run-to-run spread shown as a P5–P95 band, overall and for each benchmark task, across all 20 runs. The low and high columns show how much the judge’s score varies between runs, and need at least two runs to display.
| Task | P5 (low) | Avg | P95 (high) |
|---|---|---|---|
| Overall | 75.3 | 80.3 | 83.6 |
| Agent Workflow | 69.3 | 81.2 | 89.4 |
| Code Generation | 64.5 | 73.9 | 84.6 |
| Role Play & Narrative | 70.8 | 81.1 | 89.3 |
| Research & Analysis | 79.5 | 85.1 | 87.8 |
Performance by hardware and tool
Every hardware/tool/quantization combination Nex-N2.5-mini-MLX-4bit has been benchmarked on, ranked by peak token generation speed. Last updated September 2026.
| Hardware | Tool | Quant | Best tok/s | Avg tok/s | Memory | Context | Quality | Runs |
|---|---|---|---|---|---|---|---|---|
| Apple M5 Max | oMLX | — | 140.7 tok/s | 137.0 tok/s | 18.7 GB | 262,144 tokens | 80.3 | 20 |
Frequently asked questions
- Is Nex-N2.5-mini-MLX-4bit good for agentic (tool-using) tasks?
- In our benchmarks, Nex-N2.5-mini-MLX-4bit scores 81.2/100 for agentic workflows. It runs at about 137.0 tok/s, so if you want more speed, Tiel-Coder-35B-A3B-Q4_K_S is faster (~165.0 tok/s) and still scores well for agentic workflows (89.3/100).
- How fast is Nex-N2.5-mini-MLX-4bit for local inference?
- Across 20 community benchmark runs, Nex-N2.5-mini-MLX-4bit reaches up to 140.7 tok/s and averages 137.0 tok/s, with the fastest results on Apple M5 Max.
- How much memory does Nex-N2.5-mini-MLX-4bit need?
- The leanest observed configuration used about 18.7 GB of memory.
- Which tools have been used to run Nex-N2.5-mini-MLX-4bit?
- Benchmarks were submitted using oMLX. Results are community-contributed and updated as new runs arrive.