Gemini 3.1 Flash Lite vs Qwen 3.5.9 B: cost comparison
Prices updated 2026-11-14 · computed from live provider data
Short answer: Qwen 3.5.9 B is cheaper on a
3:1 input/output blend — $0.141 per million tokens versus
$0.281, a 50% difference.
Gemini 3.1 Flash Lite offers the larger context window at 1,048,576 tokens, against 262,144 for Qwen 3.5.9 B.
Head to head
| Gemini 3.1 Flash Lite | Qwen 3.5.9 B | |
|---|---|---|
| Input, per 1M tokens | $0.125 | $0.126 |
| Output, per 1M tokens | $0.750 | $0.185 |
| Blended 3:1, per 1M | $0.281 | $0.141 |
| Context window | 1,048,576 | 262,144 |
| Vendor | qwen |
Monthly cost at real volumes
| Workload (input / output) | Gemini 3.1 Flash Lite | Qwen 3.5.9 B |
|---|---|---|
| 1M in / 250K out | $0.312 | $0.172 |
| 10M in / 2.5M out | $3.12 | $1.72 |
| 100M in / 25M out | $31.25 | $17.23 |
Which should you pick?
Pick Gemini 3.1 Flash Lite when you need the longer context window (1,048,576 vs 262,144 tokens). Pick Qwen 3.5.9 B when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.