GPT OSS 20B API price
openai/gpt-oss-20b
The cheapest GPT OSS 20B API is $0.03/M input at OpenRouter (aggregator) - all 2 providers compared below, per 1M tokens.
SmallOpenAI131K context2 sellers
Input
$0.03
per 1M tokens · OpenRouter (aggregator)
up to $0.05
Output
$0.13
per 1M tokens · OpenRouter (aggregator)
up to $0.20
Where to buy it
Cheapest GPT OSS 20B API providers compared - 2 sellers, from $0.03/M.
| Provider | Input $/M | Output $/M | Cached in |
|---|---|---|---|
| OpenRouter (aggregator) | 0.030cheapest | 0.130 | 0.030 |
| Together AI (inference host) | 0.050 | 0.200 | - |
1.7× between the cheapest and the dearest of 2 sellers.
Against its tier
- This model$0.16
- Tier median · GPT 5.6 Luna Pro$0.70
- Dearest · Claude Haiku 4.5$6.00
#1 of 18 small · cheaper than 100%
Details
- Context window
- 131K131,072 tokens
- Developer
- OpenAI
- Intelligence
- 15.2high
- Sellers
- 21.7× spread
- Cached input
- $0.03where the source publishes one
- Cheapest at
- OpenRouter (aggregator)
- Combined
- $0.16in + out per 1M
- Last checked
- 2026-08-28