DeepSeek V4.1 Flash 1017 vs Perceptron Mk 1.5: cost comparison
Prices updated 2026-10-28 · computed from live provider data
Short answer: DeepSeek V4.1 Flash 1017 is cheaper on a
3:1 input/output blend — $0.263 per million tokens versus
$0.487, a 46% difference.
DeepSeek V4.1 Flash 1017 offers the larger context window at 1,048,576 tokens, against 36,864 for Perceptron Mk 1.5.
Head to head
| DeepSeek V4.1 Flash 1017 | Perceptron Mk 1.5 | |
|---|---|---|
| Input, per 1M tokens | $0.150 | $0.150 |
| Output, per 1M tokens | $0.600 | $1.50 |
| Blended 3:1, per 1M | $0.263 | $0.487 |
| Context window | 1,048,576 | 36,864 |
| Vendor | deepseek | perceptron |
Monthly cost at real volumes
| Workload (input / output) | DeepSeek V4.1 Flash 1017 | Perceptron Mk 1.5 |
|---|---|---|
| 1M in / 250K out | $0.300 | $0.525 |
| 10M in / 2.5M out | $3.00 | $5.25 |
| 100M in / 25M out | $30.00 | $52.50 |
Which should you pick?
Pick DeepSeek V4.1 Flash 1017 when you need the longer context window (1,048,576 vs 36,864 tokens). Pick DeepSeek V4.1 Flash 1017 when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.