GPT-4 O Mini vs GPT-4 O Mini Audio Preview: cost comparison
Prices updated 2026-10-27 · computed from live provider data
Short answer: GPT-4 O Mini Audio Preview is cheaper on a
3:1 input/output blend — $0.263 per million tokens versus
$0.263, a 0% difference.
GPT-4 O Mini offers the larger context window at 131,072 tokens, against 128,000 for GPT-4 O Mini Audio Preview.
Head to head
| GPT-4 O Mini | GPT-4 O Mini Audio Preview | |
|---|---|---|
| Input, per 1M tokens | $0.150 | $0.150 |
| Output, per 1M tokens | $0.600 | $0.600 |
| Blended 3:1, per 1M | $0.263 | $0.263 |
| Context window | 131,072 | 128,000 |
| Vendor | gmi | gpt |
Monthly cost at real volumes
| Workload (input / output) | GPT-4 O Mini | GPT-4 O Mini Audio Preview |
|---|---|---|
| 1M in / 250K out | $0.300 | $0.300 |
| 10M in / 2.5M out | $3.00 | $3.00 |
| 100M in / 25M out | $30.00 | $30.00 |
Which should you pick?
Pick GPT-4 O Mini when you need the longer context window (131,072 vs 128,000 tokens). Pick GPT-4 O Mini Audio Preview when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.