GPT OSS 20B API price
openai/gpt-oss-20b
The cheapest GPT OSS 20B API is $0.018/M input at OpenRouter (aggregator) - all 2 providers compared below, per 1M tokens.
SmallOpenAI131K context2 sellers
Input
$0.018
per 1M tokens · OpenRouter (aggregator)
up to $0.05
Output
$0.09
per 1M tokens · OpenRouter (aggregator)
up to $0.20
Where to buy it
Cheapest GPT OSS 20B API providers compared - 2 sellers, from $0.018/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| OpenRouter (aggregator) | 0.018cheapest | 0.090 | 0.0090 | |
| Batch | 0.024 | 0.112 | - | |
| Together AI (inference host) | 0.050 | 0.200 | - | |
| InferX (inference host)promo, 90% off | 0.0070 | 0.025 | 0.0030 |
2.8× between the cheapest and the dearest of 2 sellers.
Against its tier
- This model$0.108
- Tier median · Qwen 3.8 Omni Flash$0.62
- Dearest · GPT 5.4 Mini (03-17 snapshot)$5.25
#1 of 20 small · cheaper than 100%
Details
- Context window
- 131K131,072 tokens
- Developer
- OpenAI
- Intelligence
- 10.0 est. Low
- Sellers
- 22.8× spread
- Cached input
- $0.009where the source publishes one
- Cheapest at
- OpenRouter (aggregator)
- Combined
- $0.108in + out per 1M
- Last checked
- 2026-10-12