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GPT 5 Mini (latest) API price
openai/gpt-5-mini
The cheapest GPT 5 Mini (latest) API is $0.1625/M input at Cheaper Inference (discount marketplace) - all 5 providers compared below, per 1M tokens.
Rolling name - always points to the newest snapshot of this model. The pinned snapshots are priced separately: GPT 5 Mini (08-07 snapshot).
SmallOpenAI400K context5 sellers
Input
$0.1625
per 1M tokens · Cheaper Inference (discount marketplace)
up to $0.25
Output
$1.30
per 1M tokens · Cheaper Inference (discount marketplace)
up to $2.00
Where to buy it
Cheapest GPT 5 Mini (latest) API providers compared - 5 sellers, from $0.1625/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| Cheaper Inference (discount marketplace)35% off | 0.163cheapest | 1.30 | 0.016 | |
| Official - OpenAI | 0.250 | 2.00 | 0.025 | |
| Batch | 0.125 | 1.00 | 0.013 | |
| Flex | 0.125 | 1.00 | 0.013 | |
| Priority | 0.450 | 3.60 | 0.045 | |
| OpenRouter (aggregator) | 0.250 | 2.00 | 0.025 | |
| Batch | 0.125 | 1.00 | 0.013 | |
| OrcaRouter (aggregator) | 0.250 | 2.00 | - | |
| TokenRouter (aggregator) | 0.250 | 2.00 | 0.025 |
1.5× between the cheapest and the dearest of 5 sellers.
Against its tier
- This model$1.4625
- Cheapest · Nemotron 3.5 Lightning$0.145
- Tier median · GPT 5.4 Nano (latest)$0.9425
- Dearest · GPT 5.4 Mini (03-17 snapshot)$5.25
#15 of 20 small · cheaper than 26%
Details
- Context window
- 400K400,000 tokens
- Developer
- OpenAI
- Intelligence
- 20.6 est. Medium
- Sellers
- 51.5× spread
- Cached input
- $0.0163where the source publishes one
- Cheapest at
- Cheaper Inference (discount marketplace)
- Combined
- $1.4625in + out per 1M
- Last checked
- 2026-10-12