Model benchmarks
Spark-X2.6-4B-Q8_0 local LLM performance
As of October 2026, Spark-X2.6-4B-Q8_0 runs at up to 46.2 tok/s for local inference (best of 10 community benchmark runs across 1 GPU).
Model size
4B
Peak speed
46.2 tok/s
Average speed
42.4 tok/s
Avg PP
1063.6 tok/s
Min memory
6.5 GB
Max context
32,768 tokens
Avg output / run
7,935 tokens
Avg runtime / run
3m 16s
Avg quality
62.2
Benchmark runs
10
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 10 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 | 54.5 | 62.2 | 68.2 |
| Agent Workflow | 54.2 | 72.1 | 85.4 |
| Code Generation | 38.1 | 52.1 | 67.8 |
| Role Play & Narrative | 62.4 | 69.3 | 75.6 |
| Research & Analysis | 39.6 | 55.3 | 66.5 |
Performance by hardware and tool
Every hardware/tool/quantization combination Spark-X2.6-4B-Q8_0 has been benchmarked on, ranked by peak token generation speed. Last updated October 2026.
| Hardware | Tool | Quant | Best tok/s | Avg tok/s | Memory | Context | Quality | Runs |
|---|---|---|---|---|---|---|---|---|
| NVIDIA GeForce RTX 4060 Laptop GPU | llama.cpp | Q8_0 | 46.2 tok/s | 42.4 tok/s | 6.5 GB | 32,768 tokens | 62.2 | 10 |
Benchmark runs
All 10 Spark-X2.6-4B-Q8_0 runs submitted so far — expand one for its hardware, quality breakdown and per-scenario detail.
Frequently asked questions
- Is Spark-X2.6-4B-Q8_0 good for coding?
- In our benchmarks, Spark-X2.6-4B-Q8_0 scores 52.1/100 for coding. It runs at about 42.4 tok/s, so if you want more speed, nvidia/Qwen3.8-27B-NVFP4 is faster (~63.3 tok/s) and still scores well for coding (82.7/100).
- Is Spark-X2.6-4B-Q8_0 good for agentic (tool-using) tasks?
- In our benchmarks, Spark-X2.6-4B-Q8_0 scores 72.2/100 for agentic workflows. It runs at about 42.4 tok/s, so if you want more speed, Nex-N2.5-mini-APEX-Mini is faster (~88.2 tok/s) and still scores well for agentic workflows (91.3/100).
- How fast is Spark-X2.6-4B-Q8_0 for local inference?
- Across 10 community benchmark runs, Spark-X2.6-4B-Q8_0 reaches up to 46.2 tok/s and averages 42.4 tok/s, with the fastest results on NVIDIA GeForce RTX 4060 Laptop GPU.
- How much memory does Spark-X2.6-4B-Q8_0 need?
- The leanest observed configuration used about 6.5 GB of memory (quantizations tested: Q8_0).
- Which tools have been used to run Spark-X2.6-4B-Q8_0?
- Benchmarks were submitted using llama.cpp. Results are community-contributed and updated as new runs arrive.