Openai GPT-5 Nano vs Mistral Vibe Cli Fast: cost comparison
Prices updated 2026-10-27 · computed from live provider data
Short answer: Mistral Vibe Cli Fast is cheaper on a
3:1 input/output blend — $0.263 per million tokens versus
$0.263, a 0% difference.
Openai GPT-5 Nano offers the larger context window at 5,000,000 tokens, against 262,144 for Mistral Vibe Cli Fast.
Head to head
| Openai GPT-5 Nano | Mistral Vibe Cli Fast | |
|---|---|---|
| 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 | 5,000,000 | 262,144 |
| Vendor | snowflake | mistral |
Monthly cost at real volumes
| Workload (input / output) | Openai GPT-5 Nano | Mistral Vibe Cli Fast |
|---|---|---|
| 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 Openai GPT-5 Nano when you need the longer context window (5,000,000 vs 262,144 tokens). Pick Mistral Vibe Cli Fast when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.