Gemini Exp 1206 vs Openai GPT-5 Mini: cost comparison
Prices updated 2026-10-27 · computed from live provider data
Short answer: Openai GPT-5 Mini is cheaper on a
3:1 input/output blend — $0.525 per million tokens versus
$0.850, a 38% difference.
Gemini Exp 1206 offers the larger context window at 1,048,576 tokens, against 1,000,000 for Openai GPT-5 Mini.
Head to head
| Gemini Exp 1206 | Openai GPT-5 Mini | |
|---|---|---|
| Input, per 1M tokens | $0.300 | $0.300 |
| Output, per 1M tokens | $2.50 | $1.20 |
| Blended 3:1, per 1M | $0.850 | $0.525 |
| Context window | 1,048,576 | 1,000,000 |
| Vendor | gemini | snowflake |
Monthly cost at real volumes
| Workload (input / output) | Gemini Exp 1206 | Openai GPT-5 Mini |
|---|---|---|
| 1M in / 250K out | $0.925 | $0.600 |
| 10M in / 2.5M out | $9.25 | $6.00 |
| 100M in / 25M out | $92.50 | $60.00 |
Which should you pick?
Pick Gemini Exp 1206 when you need the longer context window (1,048,576 vs 1,000,000 tokens). Pick Openai GPT-5 Mini when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.