Lfm 40 B vs Voxtral Small 2507: cost comparison
Prices updated 2026-10-28 · computed from live provider data
Short answer: Lfm 40 B is cheaper on a
3:1 input/output blend — $0.125 per million tokens versus
$0.175, a 29% difference.
Lfm 40 B offers the larger context window at 131,072 tokens, against 32,768 for Voxtral Small 2507.
Head to head
| Lfm 40 B | Voxtral Small 2507 | |
|---|---|---|
| Input, per 1M tokens | $0.100 | $0.100 |
| Output, per 1M tokens | $0.200 | $0.400 |
| Blended 3:1, per 1M | $0.125 | $0.175 |
| Context window | 131,072 | 32,768 |
| Vendor | lambda_ai | mistral |
Monthly cost at real volumes
| Workload (input / output) | Lfm 40 B | Voxtral Small 2507 |
|---|---|---|
| 1M in / 250K out | $0.150 | $0.200 |
| 10M in / 2.5M out | $1.50 | $2.00 |
| 100M in / 25M out | $15.00 | $20.00 |
Which should you pick?
Pick Lfm 40 B when you need the longer context window (131,072 vs 32,768 tokens). Pick Lfm 40 B when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.